<4>[  641.219324] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.219325] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.219327] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.219344] softirqs last disabled at (262548319): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.220641]  eb_validate_vmas+0x332/0xce0 [i915]
<4>[  641.221602]  ? find_held_lock+0x31/0x90
<4>[  641.221605]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.221608]  ? lock_release+0xd4/0x2b0
<4>[  641.221612]  ? find_held_lock+0x31/0x90
<4>[  641.221614]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.221618]  ? lock_release+0xd4/0x2b0
<4>[  641.221623]  ? up_read+0x22/0x30
<4>[  641.221625]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.221629]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.221632]  ? irqentry_exit+0x77/0xb0
<4>[  641.221635]  ? clear_bhb_loop+0x15/0x70
<4>[  641.221636]  ? clear_bhb_loop+0x15/0x70
<4>[  641.221638]  ? clear_bhb_loop+0x15/0x70
<4>[  641.221641]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.221643] RIP: 0033:0x7b6f0df24ded
<4>[  641.221649] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.221651] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.221653] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.221655] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.221656] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.221658] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.221659] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.221784]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.223919]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.223934]  ? find_held_lock+0x31/0x90
<4>[  641.223936]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.223939]  ? lock_release+0xd4/0x2b0
<4>[  641.223943]  ? find_held_lock+0x31/0x90
<4>[  641.223946]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.223949]  ? lock_release+0xd4/0x2b0
<4>[  641.223954]  ? up_read+0x22/0x30
<4>[  641.223956]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.223960]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.223963]  ? irqentry_exit+0x77/0xb0
<4>[  641.223966]  ? clear_bhb_loop+0x15/0x70
<4>[  641.223968]  ? clear_bhb_loop+0x15/0x70
<4>[  641.223969]  ? clear_bhb_loop+0x15/0x70
<4>[  641.223972]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.223974] RIP: 0033:0x7b6f0df24ded
<4>[  641.223976] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.223978] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.223981] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.223982] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.223984] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.223985] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.223987] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.224123] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.224212]  dma_map_sgtable+0x1d/0x40
<4>[  641.226244]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.226258]  ? find_held_lock+0x31/0x90
<4>[  641.226261]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.226264]  ? lock_release+0xd4/0x2b0
<4>[  641.226268]  ? find_held_lock+0x31/0x90
<4>[  641.226270]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.226274]  ? lock_release+0xd4/0x2b0
<4>[  641.226279]  ? up_read+0x22/0x30
<4>[  641.226281]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.226285]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.226288]  ? irqentry_exit+0x77/0xb0
<4>[  641.226291]  ? clear_bhb_loop+0x15/0x70
<4>[  641.226292]  ? clear_bhb_loop+0x15/0x70
<4>[  641.226294]  ? clear_bhb_loop+0x15/0x70
<4>[  641.226297]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.226299] RIP: 0033:0x7b6f0df24ded
<4>[  641.226301] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.226303] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.226305] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.226307] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.226308] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.226310] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.226311] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.226451] Code: 75 c0 e8 ec 27 3f ff 8b 05 0a 74 55 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 ed 73 55 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  641.228597]  ? find_held_lock+0x31/0x90
<4>[  641.228599]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.228603]  ? lock_release+0xd4/0x2b0
<4>[  641.228607]  ? up_read+0x22/0x30
<4>[  641.228610]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.228613]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.228617]  ? irqentry_exit+0x77/0xb0
<4>[  641.228619]  ? clear_bhb_loop+0x15/0x70
<4>[  641.228621]  ? clear_bhb_loop+0x15/0x70
<4>[  641.228623]  ? clear_bhb_loop+0x15/0x70
<4>[  641.228625]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.228628] RIP: 0033:0x7b6f0df24ded
<4>[  641.228630] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.228632] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.228634] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.228636] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.228637] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.228639] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.228640] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.228788] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.230581]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.230924]  ? find_held_lock+0x31/0x90
<4>[  641.230926]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.230929]  ? lock_release+0xd4/0x2b0
<4>[  641.230933]  ? find_held_lock+0x31/0x90
<4>[  641.230936]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.230940]  ? lock_release+0xd4/0x2b0
<4>[  641.230944]  ? up_read+0x22/0x30
<4>[  641.230947]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.230950]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.230954]  ? irqentry_exit+0x77/0xb0
<4>[  641.230956]  ? clear_bhb_loop+0x15/0x70
<4>[  641.230958]  ? clear_bhb_loop+0x15/0x70
<4>[  641.230959]  ? clear_bhb_loop+0x15/0x70
<4>[  641.230962]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.230965] RIP: 0033:0x7b6f0df24ded
<4>[  641.230966] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.230968] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.230971] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.230972] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.230974] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.230975] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.230977] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.231119] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.232913]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.233253]  ? find_held_lock+0x31/0x90
<4>[  641.233255]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.233258]  ? lock_release+0xd4/0x2b0
<4>[  641.233262]  ? find_held_lock+0x31/0x90
<4>[  641.233264]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.233268]  ? lock_release+0xd4/0x2b0
<4>[  641.233273]  ? up_read+0x22/0x30
<4>[  641.233275]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.233279]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.233282]  ? irqentry_exit+0x77/0xb0
<4>[  641.233285]  ? clear_bhb_loop+0x15/0x70
<4>[  641.233286]  ? clear_bhb_loop+0x15/0x70
<4>[  641.233288]  ? clear_bhb_loop+0x15/0x70
<4>[  641.233291]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.233293] RIP: 0033:0x7b6f0df24ded
<4>[  641.233295] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.233297] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.233299] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.233301] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.233303] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.233304] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.233305] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.233447] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.235240]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.235578]  ? find_held_lock+0x31/0x90
<4>[  641.235581]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.235584]  ? lock_release+0xd4/0x2b0
<4>[  641.235588]  ? find_held_lock+0x31/0x90
<4>[  641.235590]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.235594]  ? lock_release+0xd4/0x2b0
<4>[  641.235599]  ? up_read+0x22/0x30
<4>[  641.235601]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.235605]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.235608]  ? irqentry_exit+0x77/0xb0
<4>[  641.235611]  ? clear_bhb_loop+0x15/0x70
<4>[  641.235612]  ? clear_bhb_loop+0x15/0x70
<4>[  641.235614]  ? clear_bhb_loop+0x15/0x70
<4>[  641.235617]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.235619] RIP: 0033:0x7b6f0df24ded
<4>[  641.235621] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.235623] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.235626] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.235627] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.235629] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.235630] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.235632] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.235778] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.237393]  ? find_held_lock+0x31/0x90
<4>[  641.237910]  ? do_syscall_64+0x9d/0x180
<4>[  641.237913]  ? find_held_lock+0x31/0x90
<4>[  641.237915]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.237918]  ? lock_release+0xd4/0x2b0
<4>[  641.237922]  ? find_held_lock+0x31/0x90
<4>[  641.237924]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.237928]  ? lock_release+0xd4/0x2b0
<4>[  641.237933]  ? up_read+0x22/0x30
<4>[  641.237935]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.237939]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.237942]  ? irqentry_exit+0x77/0xb0
<4>[  641.237945]  ? clear_bhb_loop+0x15/0x70
<4>[  641.237947]  ? clear_bhb_loop+0x15/0x70
<4>[  641.237948]  ? clear_bhb_loop+0x15/0x70
<4>[  641.237951]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.237953] RIP: 0033:0x7b6f0df24ded
<4>[  641.237955] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.237957] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.237960] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.237961] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.237963] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.237964] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.237973]  </TASK>
<4>[  641.237982] softirqs last disabled at (262548319): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.238812]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.240241]  ? find_held_lock+0x31/0x90
<4>[  641.240244]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.240247]  ? lock_release+0xd4/0x2b0
<4>[  641.240251]  ? find_held_lock+0x31/0x90
<4>[  641.240253]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.240257]  ? lock_release+0xd4/0x2b0
<4>[  641.240262]  ? up_read+0x22/0x30
<4>[  641.240264]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.240268]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.240271]  ? irqentry_exit+0x77/0xb0
<4>[  641.240273]  ? clear_bhb_loop+0x15/0x70
<4>[  641.240275]  ? clear_bhb_loop+0x15/0x70
<4>[  641.240277]  ? clear_bhb_loop+0x15/0x70
<4>[  641.240279]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.240282] RIP: 0033:0x7b6f0df24ded
<4>[  641.240284] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.240285] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.240288] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.240290] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.240291] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.240293] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.240294] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.240428] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.240447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.242571]  ? find_held_lock+0x31/0x90
<4>[  641.242573]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.242576]  ? lock_release+0xd4/0x2b0
<4>[  641.242580]  ? find_held_lock+0x31/0x90
<4>[  641.242582]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.242586]  ? lock_release+0xd4/0x2b0
<4>[  641.242591]  ? up_read+0x22/0x30
<4>[  641.242593]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.242597]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.242600]  ? irqentry_exit+0x77/0xb0
<4>[  641.242603]  ? clear_bhb_loop+0x15/0x70
<4>[  641.242605]  ? clear_bhb_loop+0x15/0x70
<4>[  641.242606]  ? clear_bhb_loop+0x15/0x70
<4>[  641.242609]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.242611] RIP: 0033:0x7b6f0df24ded
<4>[  641.242613] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.242615] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.242618] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.242619] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.242621] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.242622] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.242624] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.242752]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.244903]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.244909]  ? find_held_lock+0x31/0x90
<4>[  641.244911]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.244914]  ? lock_release+0xd4/0x2b0
<4>[  641.244918]  ? find_held_lock+0x31/0x90
<4>[  641.244920]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.244924]  ? lock_release+0xd4/0x2b0
<4>[  641.244929]  ? up_read+0x22/0x30
<4>[  641.244931]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.244935]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.244938]  ? irqentry_exit+0x77/0xb0
<4>[  641.244941]  ? clear_bhb_loop+0x15/0x70
<4>[  641.244942]  ? clear_bhb_loop+0x15/0x70
<4>[  641.244944]  ? clear_bhb_loop+0x15/0x70
<4>[  641.244947]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.244949] RIP: 0033:0x7b6f0df24ded
<4>[  641.244951] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.244953] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.244955] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.244957] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.244959] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.244960] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.244970] irq event stamp: 262627347
<4>[  641.245086]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.247213]  do_syscall_64+0x91/0x180
<4>[  641.247239]  ? find_held_lock+0x31/0x90
<4>[  641.247241]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.247244]  ? lock_release+0xd4/0x2b0
<4>[  641.247248]  ? find_held_lock+0x31/0x90
<4>[  641.247251]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.247255]  ? lock_release+0xd4/0x2b0
<4>[  641.247259]  ? up_read+0x22/0x30
<4>[  641.247262]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.247265]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.247269]  ? irqentry_exit+0x77/0xb0
<4>[  641.247271]  ? clear_bhb_loop+0x15/0x70
<4>[  641.247273]  ? clear_bhb_loop+0x15/0x70
<4>[  641.247274]  ? clear_bhb_loop+0x15/0x70
<4>[  641.247277]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.247280] RIP: 0033:0x7b6f0df24ded
<4>[  641.247282] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.247283] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.247286] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.247288] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.247289] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.247291] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.247292] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.247424] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.249569]  ? find_held_lock+0x31/0x90
<4>[  641.249571]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.249574]  ? lock_release+0xd4/0x2b0
<4>[  641.249578]  ? find_held_lock+0x31/0x90
<4>[  641.249581]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.249584]  ? lock_release+0xd4/0x2b0
<4>[  641.249589]  ? up_read+0x22/0x30
<4>[  641.249591]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.249595]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.249598]  ? irqentry_exit+0x77/0xb0
<4>[  641.249601]  ? clear_bhb_loop+0x15/0x70
<4>[  641.249603]  ? clear_bhb_loop+0x15/0x70
<4>[  641.249604]  ? clear_bhb_loop+0x15/0x70
<4>[  641.249607]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.249610] RIP: 0033:0x7b6f0df24ded
<4>[  641.249612] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.249613] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.249616] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.249617] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.249619] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.249620] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.249622] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.249770] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.251421]  i915_gem_execbuffer2_ioctl+0x15a/0x310 [i915]
<4>[  641.251912]  ? find_held_lock+0x31/0x90
<4>[  641.251915]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.251917]  ? lock_release+0xd4/0x2b0
<4>[  641.251922]  ? find_held_lock+0x31/0x90
<4>[  641.251924]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.251928]  ? lock_release+0xd4/0x2b0
<4>[  641.251933]  ? up_read+0x22/0x30
<4>[  641.251935]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.251938]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.251942]  ? irqentry_exit+0x77/0xb0
<4>[  641.251944]  ? clear_bhb_loop+0x15/0x70
<4>[  641.251946]  ? clear_bhb_loop+0x15/0x70
<4>[  641.251948]  ? clear_bhb_loop+0x15/0x70
<4>[  641.251950]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.251953] RIP: 0033:0x7b6f0df24ded
<4>[  641.251955] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.251957] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.251959] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.251961] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.251962] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.251964] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.251965] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.252105] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.252350]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.254245]  ? find_held_lock+0x31/0x90
<4>[  641.254248]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.254251]  ? lock_release+0xd4/0x2b0
<4>[  641.254255]  ? find_held_lock+0x31/0x90
<4>[  641.254257]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.254261]  ? lock_release+0xd4/0x2b0
<4>[  641.254266]  ? up_read+0x22/0x30
<4>[  641.254268]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.254272]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.254275]  ? irqentry_exit+0x77/0xb0
<4>[  641.254277]  ? clear_bhb_loop+0x15/0x70
<4>[  641.254279]  ? clear_bhb_loop+0x15/0x70
<4>[  641.254281]  ? clear_bhb_loop+0x15/0x70
<4>[  641.254283]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.254286] RIP: 0033:0x7b6f0df24ded
<4>[  641.254288] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.254290] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.254292] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.254294] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.254295] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.254297] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.254298] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.254423]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.256548]  do_syscall_64+0x91/0x180
<4>[  641.256574]  ? find_held_lock+0x31/0x90
<4>[  641.256577]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.256579]  ? lock_release+0xd4/0x2b0
<4>[  641.256584]  ? find_held_lock+0x31/0x90
<4>[  641.256586]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.256590]  ? lock_release+0xd4/0x2b0
<4>[  641.256594]  ? up_read+0x22/0x30
<4>[  641.256597]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.256600]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.256604]  ? irqentry_exit+0x77/0xb0
<4>[  641.256606]  ? clear_bhb_loop+0x15/0x70
<4>[  641.256608]  ? clear_bhb_loop+0x15/0x70
<4>[  641.256610]  ? clear_bhb_loop+0x15/0x70
<4>[  641.256612]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.256615] RIP: 0033:0x7b6f0df24ded
<4>[  641.256617] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.256618] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.256621] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.256622] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.256624] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.256625] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.256627] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.256768] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.257476]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.258912]  ? find_held_lock+0x31/0x90
<4>[  641.258915]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.258918]  ? lock_release+0xd4/0x2b0
<4>[  641.258922]  ? find_held_lock+0x31/0x90
<4>[  641.258924]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.258928]  ? lock_release+0xd4/0x2b0
<4>[  641.258933]  ? up_read+0x22/0x30
<4>[  641.258935]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.258939]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.258942]  ? irqentry_exit+0x77/0xb0
<4>[  641.258945]  ? clear_bhb_loop+0x15/0x70
<4>[  641.258946]  ? clear_bhb_loop+0x15/0x70
<4>[  641.258948]  ? clear_bhb_loop+0x15/0x70
<4>[  641.258951]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.258953] RIP: 0033:0x7b6f0df24ded
<4>[  641.258955] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.258957] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.258959] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.258961] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.258962] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.258964] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.258965] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.259100] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.259119] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.261242]  ? find_held_lock+0x31/0x90
<4>[  641.261245]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.261248]  ? lock_release+0xd4/0x2b0
<4>[  641.261252]  ? find_held_lock+0x31/0x90
<4>[  641.261254]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.261258]  ? lock_release+0xd4/0x2b0
<4>[  641.261263]  ? up_read+0x22/0x30
<4>[  641.261265]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.261269]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.261272]  ? irqentry_exit+0x77/0xb0
<4>[  641.261274]  ? clear_bhb_loop+0x15/0x70
<4>[  641.261276]  ? clear_bhb_loop+0x15/0x70
<4>[  641.261278]  ? clear_bhb_loop+0x15/0x70
<4>[  641.261281]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.261283] RIP: 0033:0x7b6f0df24ded
<4>[  641.261285] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.261287] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.261289] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.261291] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.261292] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.261294] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.261295] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.261420]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.263563]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.263572]  ? find_held_lock+0x31/0x90
<4>[  641.263575]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.263578]  ? lock_release+0xd4/0x2b0
<4>[  641.263582]  ? find_held_lock+0x31/0x90
<4>[  641.263584]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.263588]  ? lock_release+0xd4/0x2b0
<4>[  641.263593]  ? up_read+0x22/0x30
<4>[  641.263595]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.263599]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.263602]  ? irqentry_exit+0x77/0xb0
<4>[  641.263605]  ? clear_bhb_loop+0x15/0x70
<4>[  641.263606]  ? clear_bhb_loop+0x15/0x70
<4>[  641.263608]  ? clear_bhb_loop+0x15/0x70
<4>[  641.263610]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.263613] RIP: 0033:0x7b6f0df24ded
<4>[  641.263615] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.263617] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.263619] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.263621] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.263622] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.263624] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.263625] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.263772] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.265416]  i915_gem_execbuffer2_ioctl+0x15a/0x310 [i915]
<4>[  641.265908]  ? find_held_lock+0x31/0x90
<4>[  641.265911]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.265913]  ? lock_release+0xd4/0x2b0
<4>[  641.265917]  ? find_held_lock+0x31/0x90
<4>[  641.265920]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.265924]  ? lock_release+0xd4/0x2b0
<4>[  641.265928]  ? up_read+0x22/0x30
<4>[  641.265931]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.265934]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.265938]  ? irqentry_exit+0x77/0xb0
<4>[  641.265940]  ? clear_bhb_loop+0x15/0x70
<4>[  641.265942]  ? clear_bhb_loop+0x15/0x70
<4>[  641.265944]  ? clear_bhb_loop+0x15/0x70
<4>[  641.265946]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.265949] RIP: 0033:0x7b6f0df24ded
<4>[  641.265951] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.265952] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.265955] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.265957] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.265958] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.265960] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.265961] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.266097] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.266494]  i915_ttm_get_pages+0x121/0x180 [i915]
<4>[  641.268232]  ? find_held_lock+0x31/0x90
<4>[  641.268235]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.268238]  ? lock_release+0xd4/0x2b0
<4>[  641.268242]  ? find_held_lock+0x31/0x90
<4>[  641.268244]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.268248]  ? lock_release+0xd4/0x2b0
<4>[  641.268253]  ? up_read+0x22/0x30
<4>[  641.268255]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.268258]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.268262]  ? irqentry_exit+0x77/0xb0
<4>[  641.268264]  ? clear_bhb_loop+0x15/0x70
<4>[  641.268266]  ? clear_bhb_loop+0x15/0x70
<4>[  641.268268]  ? clear_bhb_loop+0x15/0x70
<4>[  641.268270]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.268273] RIP: 0033:0x7b6f0df24ded
<4>[  641.268275] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.268277] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.268279] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.268281] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.268282] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.268284] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.268285] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.268410]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.270545]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.270559]  ? find_held_lock+0x31/0x90
<4>[  641.270562]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.270565]  ? lock_release+0xd4/0x2b0
<4>[  641.270569]  ? find_held_lock+0x31/0x90
<4>[  641.270571]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.270575]  ? lock_release+0xd4/0x2b0
<4>[  641.270580]  ? up_read+0x22/0x30
<4>[  641.270582]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.270586]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.270589]  ? irqentry_exit+0x77/0xb0
<4>[  641.270592]  ? clear_bhb_loop+0x15/0x70
<4>[  641.270593]  ? clear_bhb_loop+0x15/0x70
<4>[  641.270595]  ? clear_bhb_loop+0x15/0x70
<4>[  641.270598]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.270600] RIP: 0033:0x7b6f0df24ded
<4>[  641.270602] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.270604] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.270606] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.270608] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.270609] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.270611] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.270612] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.270756] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.271463]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.272896]  ? find_held_lock+0x31/0x90
<4>[  641.272898]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.272901]  ? lock_release+0xd4/0x2b0
<4>[  641.272905]  ? find_held_lock+0x31/0x90
<4>[  641.272908]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.272911]  ? lock_release+0xd4/0x2b0
<4>[  641.272916]  ? up_read+0x22/0x30
<4>[  641.272918]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.272922]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.272925]  ? irqentry_exit+0x77/0xb0
<4>[  641.272928]  ? clear_bhb_loop+0x15/0x70
<4>[  641.272930]  ? clear_bhb_loop+0x15/0x70
<4>[  641.272931]  ? clear_bhb_loop+0x15/0x70
<4>[  641.272934]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.272937] RIP: 0033:0x7b6f0df24ded
<4>[  641.272938] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.272940] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.272943] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.272944] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.272946] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.272947] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.272949] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.273085] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.273329]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.275225]  ? find_held_lock+0x31/0x90
<4>[  641.275227]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.275230]  ? lock_release+0xd4/0x2b0
<4>[  641.275234]  ? find_held_lock+0x31/0x90
<4>[  641.275237]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.275241]  ? lock_release+0xd4/0x2b0
<4>[  641.275246]  ? up_read+0x22/0x30
<4>[  641.275248]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.275252]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.275255]  ? irqentry_exit+0x77/0xb0
<4>[  641.275257]  ? clear_bhb_loop+0x15/0x70
<4>[  641.275259]  ? clear_bhb_loop+0x15/0x70
<4>[  641.275261]  ? clear_bhb_loop+0x15/0x70
<4>[  641.275263]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.275266] RIP: 0033:0x7b6f0df24ded
<4>[  641.275268] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.275270] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.275272] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.275274] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.275275] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.275277] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.275278] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.275402]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.277545]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.277555]  ? find_held_lock+0x31/0x90
<4>[  641.277557]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.277560]  ? lock_release+0xd4/0x2b0
<4>[  641.277564]  ? find_held_lock+0x31/0x90
<4>[  641.277566]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.277570]  ? lock_release+0xd4/0x2b0
<4>[  641.277575]  ? up_read+0x22/0x30
<4>[  641.277578]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.277581]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.277584]  ? irqentry_exit+0x77/0xb0
<4>[  641.277587]  ? clear_bhb_loop+0x15/0x70
<4>[  641.277589]  ? clear_bhb_loop+0x15/0x70
<4>[  641.277590]  ? clear_bhb_loop+0x15/0x70
<4>[  641.277593]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.277596] RIP: 0033:0x7b6f0df24ded
<4>[  641.277597] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.277599] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.277602] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.277603] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.277605] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.277606] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.277615]  </TASK>
<4>[  641.277622] softirqs last  enabled at (262639766): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.277996]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.279892]  ? find_held_lock+0x31/0x90
<4>[  641.279894]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.279897]  ? lock_release+0xd4/0x2b0
<4>[  641.279901]  ? find_held_lock+0x31/0x90
<4>[  641.279904]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.279908]  ? lock_release+0xd4/0x2b0
<4>[  641.279912]  ? up_read+0x22/0x30
<4>[  641.279915]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.279918]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.279922]  ? irqentry_exit+0x77/0xb0
<4>[  641.279924]  ? clear_bhb_loop+0x15/0x70
<4>[  641.279926]  ? clear_bhb_loop+0x15/0x70
<4>[  641.279928]  ? clear_bhb_loop+0x15/0x70
<4>[  641.279930]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.279933] RIP: 0033:0x7b6f0df24ded
<4>[  641.279935] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.279936] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.279939] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.279941] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.279942] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.279944] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.279945] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.280070]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.282216]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.282222]  ? find_held_lock+0x31/0x90
<4>[  641.282224]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.282227]  ? lock_release+0xd4/0x2b0
<4>[  641.282231]  ? find_held_lock+0x31/0x90
<4>[  641.282234]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.282238]  ? lock_release+0xd4/0x2b0
<4>[  641.282242]  ? up_read+0x22/0x30
<4>[  641.282245]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.282248]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.282252]  ? irqentry_exit+0x77/0xb0
<4>[  641.282254]  ? clear_bhb_loop+0x15/0x70
<4>[  641.282256]  ? clear_bhb_loop+0x15/0x70
<4>[  641.282258]  ? clear_bhb_loop+0x15/0x70
<4>[  641.282260]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.282263] RIP: 0033:0x7b6f0df24ded
<4>[  641.282265] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.282266] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.282269] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.282271] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.282272] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.282274] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.282287] hardirqs last disabled at (262645358): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.282469]  ? intel_iommu_map_pages+0x664/0x820
<4>[  641.284545]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.284551]  ? find_held_lock+0x31/0x90
<4>[  641.284556]  ? lock_release+0xd4/0x2b0
<4>[  641.284560]  ? find_held_lock+0x31/0x90
<4>[  641.284562]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.284566]  ? lock_release+0xd4/0x2b0
<4>[  641.284571]  ? up_read+0x22/0x30
<4>[  641.284573]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.284577]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.284580]  ? irqentry_exit+0x77/0xb0
<4>[  641.284583]  ? clear_bhb_loop+0x15/0x70
<4>[  641.284585]  ? clear_bhb_loop+0x15/0x70
<4>[  641.284586]  ? clear_bhb_loop+0x15/0x70
<4>[  641.284589]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.284592] RIP: 0033:0x7b6f0df24ded
<4>[  641.284593] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.284595] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.284598] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.284600] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.284601] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.284603] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.284604] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.284733]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.286877]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.286883]  ? find_held_lock+0x31/0x90
<4>[  641.286889]  ? lock_release+0xd4/0x2b0
<4>[  641.286893]  ? find_held_lock+0x31/0x90
<4>[  641.286895]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.286899]  ? lock_release+0xd4/0x2b0
<4>[  641.286904]  ? up_read+0x22/0x30
<4>[  641.286906]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.286910]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.286913]  ? irqentry_exit+0x77/0xb0
<4>[  641.286915]  ? clear_bhb_loop+0x15/0x70
<4>[  641.286917]  ? clear_bhb_loop+0x15/0x70
<4>[  641.286919]  ? clear_bhb_loop+0x15/0x70
<4>[  641.286921]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.286924] RIP: 0033:0x7b6f0df24ded
<4>[  641.286926] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.286928] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.286930] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.286932] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.286933] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.286935] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.286936] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.287071] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X220.B00.2103302221 03/30/2021
<4>[  641.289216]  ? lock_release+0xd4/0x2b0
<4>[  641.289220]  ? find_held_lock+0x31/0x90
<4>[  641.289223]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.289226]  ? lock_release+0xd4/0x2b0
<4>[  641.289231]  ? up_read+0x22/0x30
<4>[  641.289233]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.289237]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.289240]  ? irqentry_exit+0x77/0xb0
<4>[  641.289243]  ? clear_bhb_loop+0x15/0x70
<4>[  641.289244]  ? clear_bhb_loop+0x15/0x70
<4>[  641.289246]  ? clear_bhb_loop+0x15/0x70
<4>[  641.289249]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.289251] RIP: 0033:0x7b6f0df24ded
<4>[  641.289253] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.289255] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.289258] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.289259] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.289261] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.289262] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.289264] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.289388]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.291346]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.291538]  ? find_held_lock+0x31/0x90
<4>[  641.291541]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.291544]  ? lock_release+0xd4/0x2b0
<4>[  641.291548]  ? find_held_lock+0x31/0x90
<4>[  641.291550]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.291554]  ? lock_release+0xd4/0x2b0
<4>[  641.291559]  ? up_read+0x22/0x30
<4>[  641.291561]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.291565]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.291568]  ? irqentry_exit+0x77/0xb0
<4>[  641.291570]  ? clear_bhb_loop+0x15/0x70
<4>[  641.291572]  ? clear_bhb_loop+0x15/0x70
<4>[  641.291574]  ? clear_bhb_loop+0x15/0x70
<4>[  641.291576]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.291579] RIP: 0033:0x7b6f0df24ded
<4>[  641.291581] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.291583] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.291585] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.291587] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.291588] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.291590] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.291591] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.291730] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.291749] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.293871]  ? do_syscall_64+0x9d/0x180
<4>[  641.293873]  ? find_held_lock+0x31/0x90
<4>[  641.293879]  ? lock_release+0xd4/0x2b0
<4>[  641.293883]  ? find_held_lock+0x31/0x90
<4>[  641.293885]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.293889]  ? lock_release+0xd4/0x2b0
<4>[  641.293894]  ? up_read+0x22/0x30
<4>[  641.293896]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.293900]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.293903]  ? irqentry_exit+0x77/0xb0
<4>[  641.293905]  ? clear_bhb_loop+0x15/0x70
<4>[  641.293907]  ? clear_bhb_loop+0x15/0x70
<4>[  641.293909]  ? clear_bhb_loop+0x15/0x70
<4>[  641.293911]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.293914] RIP: 0033:0x7b6f0df24ded
<4>[  641.293916] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.293918] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.293920] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.293922] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.293923] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.293925] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.293926] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.294052]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.296187]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.296202]  ? find_held_lock+0x31/0x90
<4>[  641.296207]  ? lock_release+0xd4/0x2b0
<4>[  641.296211]  ? find_held_lock+0x31/0x90
<4>[  641.296214]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.296218]  ? lock_release+0xd4/0x2b0
<4>[  641.296222]  ? up_read+0x22/0x30
<4>[  641.296225]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.296228]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.296232]  ? irqentry_exit+0x77/0xb0
<4>[  641.296234]  ? clear_bhb_loop+0x15/0x70
<4>[  641.296236]  ? clear_bhb_loop+0x15/0x70
<4>[  641.296238]  ? clear_bhb_loop+0x15/0x70
<4>[  641.296240]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.296243] RIP: 0033:0x7b6f0df24ded
<4>[  641.296245] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.296247] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.296249] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.296251] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.296252] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.296254] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.296255] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<2>[  641.296275] DMAR: ERROR: DMA PTE for vPFN 0x3d1735d already set (to 2ba35c003 not 2ba35c003)
<4>[  641.297102]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.298532]  ? find_held_lock+0x31/0x90
<4>[  641.298537]  ? lock_release+0xd4/0x2b0
<4>[  641.298541]  ? find_held_lock+0x31/0x90
<4>[  641.298544]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.298548]  ? lock_release+0xd4/0x2b0
<4>[  641.298552]  ? up_read+0x22/0x30
<4>[  641.298555]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.298558]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.298562]  ? irqentry_exit+0x77/0xb0
<4>[  641.298564]  ? clear_bhb_loop+0x15/0x70
<4>[  641.298566]  ? clear_bhb_loop+0x15/0x70
<4>[  641.298568]  ? clear_bhb_loop+0x15/0x70
<4>[  641.298570]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.298573] RIP: 0033:0x7b6f0df24ded
<4>[  641.298575] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.298577] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.298579] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.298581] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.298582] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.298584] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.298585] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.298715]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.300674]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.300867]  ? find_held_lock+0x31/0x90
<4>[  641.300869]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.300872]  ? lock_release+0xd4/0x2b0
<4>[  641.300876]  ? find_held_lock+0x31/0x90
<4>[  641.300878]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.300882]  ? lock_release+0xd4/0x2b0
<4>[  641.300887]  ? up_read+0x22/0x30
<4>[  641.300889]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.300893]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.300896]  ? irqentry_exit+0x77/0xb0
<4>[  641.300899]  ? clear_bhb_loop+0x15/0x70
<4>[  641.300900]  ? clear_bhb_loop+0x15/0x70
<4>[  641.300902]  ? clear_bhb_loop+0x15/0x70
<4>[  641.300905]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.300907] RIP: 0033:0x7b6f0df24ded
<4>[  641.300909] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.300911] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.300913] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.300915] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.300917] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.300918] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.300920] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.301053] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.301073] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.303195]  ? do_syscall_64+0x9d/0x180
<4>[  641.303198]  ? find_held_lock+0x31/0x90
<4>[  641.303203]  ? lock_release+0xd4/0x2b0
<4>[  641.303207]  ? find_held_lock+0x31/0x90
<4>[  641.303209]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.303213]  ? lock_release+0xd4/0x2b0
<4>[  641.303218]  ? up_read+0x22/0x30
<4>[  641.303220]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.303224]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.303227]  ? irqentry_exit+0x77/0xb0
<4>[  641.303230]  ? clear_bhb_loop+0x15/0x70
<4>[  641.303231]  ? clear_bhb_loop+0x15/0x70
<4>[  641.303233]  ? clear_bhb_loop+0x15/0x70
<4>[  641.303236]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.303238] RIP: 0033:0x7b6f0df24ded
<4>[  641.303240] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.303242] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.303245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.303246] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.303248] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.303249] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.303251] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.303374]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.305517]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.305526]  ? find_held_lock+0x31/0x90
<4>[  641.305532]  ? lock_release+0xd4/0x2b0
<4>[  641.305536]  ? find_held_lock+0x31/0x90
<4>[  641.305538]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.305542]  ? lock_release+0xd4/0x2b0
<4>[  641.305547]  ? up_read+0x22/0x30
<4>[  641.305549]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.305553]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.305556]  ? irqentry_exit+0x77/0xb0
<4>[  641.305558]  ? clear_bhb_loop+0x15/0x70
<4>[  641.305560]  ? clear_bhb_loop+0x15/0x70
<4>[  641.305562]  ? clear_bhb_loop+0x15/0x70
<4>[  641.305564]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.305567] RIP: 0033:0x7b6f0df24ded
<4>[  641.305569] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.305571] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.305573] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.305575] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.305577] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.305578] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.305580] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.305708]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.307830]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.307863]  ? find_held_lock+0x31/0x90
<4>[  641.307868]  ? lock_release+0xd4/0x2b0
<4>[  641.307872]  ? find_held_lock+0x31/0x90
<4>[  641.307874]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.307878]  ? lock_release+0xd4/0x2b0
<4>[  641.307883]  ? up_read+0x22/0x30
<4>[  641.307885]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.307889]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.307892]  ? irqentry_exit+0x77/0xb0
<4>[  641.307895]  ? clear_bhb_loop+0x15/0x70
<4>[  641.307896]  ? clear_bhb_loop+0x15/0x70
<4>[  641.307898]  ? clear_bhb_loop+0x15/0x70
<4>[  641.307901]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.307903] RIP: 0033:0x7b6f0df24ded
<4>[  641.307905] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.307907] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.307910] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.307911] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.307913] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.307914] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.307916] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.307934] ---[ end trace 0000000000000000 ]---
<4>[  641.308052] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.308762]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.310191]  ? find_held_lock+0x31/0x90
<4>[  641.310196]  ? lock_release+0xd4/0x2b0
<4>[  641.310200]  ? find_held_lock+0x31/0x90
<4>[  641.310203]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.310207]  ? lock_release+0xd4/0x2b0
<4>[  641.310211]  ? up_read+0x22/0x30
<4>[  641.310214]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.310217]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.310221]  ? irqentry_exit+0x77/0xb0
<4>[  641.310223]  ? clear_bhb_loop+0x15/0x70
<4>[  641.310225]  ? clear_bhb_loop+0x15/0x70
<4>[  641.310227]  ? clear_bhb_loop+0x15/0x70
<4>[  641.310229]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.310232] RIP: 0033:0x7b6f0df24ded
<4>[  641.310234] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.310236] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.310238] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.310240] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.310241] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.310243] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.310244] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<2>[  641.310264] DMAR: ERROR: DMA PTE for vPFN 0x3d17363 already set (to 2ba362003 not 2ba362003)
<4>[  641.311092]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.312521]  ? find_held_lock+0x31/0x90
<4>[  641.312526]  ? lock_release+0xd4/0x2b0
<4>[  641.312530]  ? find_held_lock+0x31/0x90
<4>[  641.312532]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.312536]  ? lock_release+0xd4/0x2b0
<4>[  641.312541]  ? up_read+0x22/0x30
<4>[  641.312544]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.312547]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.312551]  ? irqentry_exit+0x77/0xb0
<4>[  641.312553]  ? clear_bhb_loop+0x15/0x70
<4>[  641.312555]  ? clear_bhb_loop+0x15/0x70
<4>[  641.312556]  ? clear_bhb_loop+0x15/0x70
<4>[  641.312559]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.312562] RIP: 0033:0x7b6f0df24ded
<4>[  641.312563] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.312565] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.312568] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.312570] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.312571] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.312573] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.312574] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<2>[  641.312594] DMAR: ERROR: DMA PTE for vPFN 0x3d17364 already set (to 2ba363003 not 2ba363003)
<4>[  641.312963]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.314857]  ? find_held_lock+0x31/0x90
<4>[  641.314860]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.314863]  ? lock_release+0xd4/0x2b0
<4>[  641.314867]  ? find_held_lock+0x31/0x90
<4>[  641.314869]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.314873]  ? lock_release+0xd4/0x2b0
<4>[  641.314878]  ? up_read+0x22/0x30
<4>[  641.314880]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.314884]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.314887]  ? irqentry_exit+0x77/0xb0
<4>[  641.314890]  ? clear_bhb_loop+0x15/0x70
<4>[  641.314891]  ? clear_bhb_loop+0x15/0x70
<4>[  641.314893]  ? clear_bhb_loop+0x15/0x70
<4>[  641.314896]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.314898] RIP: 0033:0x7b6f0df24ded
<4>[  641.314900] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.314902] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.314904] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.314906] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.314908] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.314909] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.314911] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.315035]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.317177]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.317187]  ? find_held_lock+0x31/0x90
<4>[  641.317193]  ? lock_release+0xd4/0x2b0
<4>[  641.317197]  ? find_held_lock+0x31/0x90
<4>[  641.317199]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.317203]  ? lock_release+0xd4/0x2b0
<4>[  641.317208]  ? up_read+0x22/0x30
<4>[  641.317210]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.317214]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.317217]  ? irqentry_exit+0x77/0xb0
<4>[  641.317219]  ? clear_bhb_loop+0x15/0x70
<4>[  641.317221]  ? clear_bhb_loop+0x15/0x70
<4>[  641.317223]  ? clear_bhb_loop+0x15/0x70
<4>[  641.317225]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.317228] RIP: 0033:0x7b6f0df24ded
<4>[  641.317230] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.317232] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.317234] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.317236] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.317237] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.317239] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.317240] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.317365]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.319511]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.319517]  ? find_held_lock+0x31/0x90
<4>[  641.319522]  ? lock_release+0xd4/0x2b0
<4>[  641.319526]  ? find_held_lock+0x31/0x90
<4>[  641.319529]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.319533]  ? lock_release+0xd4/0x2b0
<4>[  641.319537]  ? up_read+0x22/0x30
<4>[  641.319540]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.319543]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.319547]  ? irqentry_exit+0x77/0xb0
<4>[  641.319549]  ? clear_bhb_loop+0x15/0x70
<4>[  641.319551]  ? clear_bhb_loop+0x15/0x70
<4>[  641.319553]  ? clear_bhb_loop+0x15/0x70
<4>[  641.319555]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.319558] RIP: 0033:0x7b6f0df24ded
<4>[  641.319560] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.319562] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.319564] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.319566] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.319567] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.319569] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.319570] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.319698]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.321844]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.321854]  ? find_held_lock+0x31/0x90
<4>[  641.321860]  ? lock_release+0xd4/0x2b0
<4>[  641.321864]  ? find_held_lock+0x31/0x90
<4>[  641.321866]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.321870]  ? lock_release+0xd4/0x2b0
<4>[  641.321875]  ? up_read+0x22/0x30
<4>[  641.321877]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.321881]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.321884]  ? irqentry_exit+0x77/0xb0
<4>[  641.321886]  ? clear_bhb_loop+0x15/0x70
<4>[  641.321888]  ? clear_bhb_loop+0x15/0x70
<4>[  641.321890]  ? clear_bhb_loop+0x15/0x70
<4>[  641.321892]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.321895] RIP: 0033:0x7b6f0df24ded
<4>[  641.321897] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.321899] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.321902] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.321903] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.321905] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.321906] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.321908] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.322032]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.324150]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.324182]  ? find_held_lock+0x31/0x90
<4>[  641.324188]  ? lock_release+0xd4/0x2b0
<4>[  641.324192]  ? find_held_lock+0x31/0x90
<4>[  641.324194]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.324198]  ? lock_release+0xd4/0x2b0
<4>[  641.324202]  ? up_read+0x22/0x30
<4>[  641.324205]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.324208]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.324212]  ? irqentry_exit+0x77/0xb0
<4>[  641.324214]  ? clear_bhb_loop+0x15/0x70
<4>[  641.324216]  ? clear_bhb_loop+0x15/0x70
<4>[  641.324218]  ? clear_bhb_loop+0x15/0x70
<4>[  641.324220]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.324223] RIP: 0033:0x7b6f0df24ded
<4>[  641.324225] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.324227] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.324229] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.324231] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.324232] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.324234] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.324235] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.324253] ---[ end trace 0000000000000000 ]---
<4>[  641.324372] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.325850]  i915_gem_do_execbuffer+0xd89/0x3030 [i915]
<4>[  641.326511]  ? find_held_lock+0x31/0x90
<4>[  641.326516]  ? lock_release+0xd4/0x2b0
<4>[  641.326520]  ? find_held_lock+0x31/0x90
<4>[  641.326522]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.326526]  ? lock_release+0xd4/0x2b0
<4>[  641.326531]  ? up_read+0x22/0x30
<4>[  641.326533]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.326537]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.326540]  ? irqentry_exit+0x77/0xb0
<4>[  641.326543]  ? clear_bhb_loop+0x15/0x70
<4>[  641.326545]  ? clear_bhb_loop+0x15/0x70
<4>[  641.326546]  ? clear_bhb_loop+0x15/0x70
<4>[  641.326549]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.326551] RIP: 0033:0x7b6f0df24ded
<4>[  641.326553] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.326555] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.326558] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.326559] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.326561] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.326562] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.326564] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.326582] ---[ end trace 0000000000000000 ]---
<4>[  641.326705] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.326951]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.328845]  ? find_held_lock+0x31/0x90
<4>[  641.328847]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.328850]  ? lock_release+0xd4/0x2b0
<4>[  641.328854]  ? find_held_lock+0x31/0x90
<4>[  641.328857]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.328861]  ? lock_release+0xd4/0x2b0
<4>[  641.328865]  ? up_read+0x22/0x30
<4>[  641.328868]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.328871]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.328875]  ? irqentry_exit+0x77/0xb0
<4>[  641.328877]  ? clear_bhb_loop+0x15/0x70
<4>[  641.328879]  ? clear_bhb_loop+0x15/0x70
<4>[  641.328881]  ? clear_bhb_loop+0x15/0x70
<4>[  641.328883]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.328886] RIP: 0033:0x7b6f0df24ded
<4>[  641.328888] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.328889] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.328892] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.328894] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.328895] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.328897] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.328898] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.329022]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.331167]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.331174]  ? find_held_lock+0x31/0x90
<4>[  641.331179]  ? lock_release+0xd4/0x2b0
<4>[  641.331183]  ? find_held_lock+0x31/0x90
<4>[  641.331185]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.331189]  ? lock_release+0xd4/0x2b0
<4>[  641.331194]  ? up_read+0x22/0x30
<4>[  641.331196]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.331200]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.331203]  ? irqentry_exit+0x77/0xb0
<4>[  641.331206]  ? clear_bhb_loop+0x15/0x70
<4>[  641.331207]  ? clear_bhb_loop+0x15/0x70
<4>[  641.331209]  ? clear_bhb_loop+0x15/0x70
<4>[  641.331212]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.331214] RIP: 0033:0x7b6f0df24ded
<4>[  641.331216] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.331218] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.331221] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.331222] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.331224] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.331225] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.331227] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.331351]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.333504]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.333510]  ? find_held_lock+0x31/0x90
<4>[  641.333516]  ? lock_release+0xd4/0x2b0
<4>[  641.333520]  ? find_held_lock+0x31/0x90
<4>[  641.333522]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.333526]  ? lock_release+0xd4/0x2b0
<4>[  641.333531]  ? up_read+0x22/0x30
<4>[  641.333533]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.333537]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.333540]  ? irqentry_exit+0x77/0xb0
<4>[  641.333543]  ? clear_bhb_loop+0x15/0x70
<4>[  641.333544]  ? clear_bhb_loop+0x15/0x70
<4>[  641.333546]  ? clear_bhb_loop+0x15/0x70
<4>[  641.333549]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.333551] RIP: 0033:0x7b6f0df24ded
<4>[  641.333553] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.333555] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.333558] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.333559] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.333561] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.333562] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.333564] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.333694]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.335849]  ? do_syscall_64+0x9d/0x180
<4>[  641.335851]  ? find_held_lock+0x31/0x90
<4>[  641.335857]  ? lock_release+0xd4/0x2b0
<4>[  641.335861]  ? find_held_lock+0x31/0x90
<4>[  641.335863]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.335867]  ? lock_release+0xd4/0x2b0
<4>[  641.335872]  ? up_read+0x22/0x30
<4>[  641.335874]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.335878]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.335881]  ? irqentry_exit+0x77/0xb0
<4>[  641.335884]  ? clear_bhb_loop+0x15/0x70
<4>[  641.335886]  ? clear_bhb_loop+0x15/0x70
<4>[  641.335887]  ? clear_bhb_loop+0x15/0x70
<4>[  641.335890]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.335892] RIP: 0033:0x7b6f0df24ded
<4>[  641.335894] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.335896] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.335899] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.335900] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.335902] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.335903] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.335905] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.336030]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.338149]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.338181]  ? find_held_lock+0x31/0x90
<4>[  641.338186]  ? lock_release+0xd4/0x2b0
<4>[  641.338190]  ? find_held_lock+0x31/0x90
<4>[  641.338193]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.338197]  ? lock_release+0xd4/0x2b0
<4>[  641.338201]  ? up_read+0x22/0x30
<4>[  641.338204]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.338207]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.338211]  ? irqentry_exit+0x77/0xb0
<4>[  641.338213]  ? clear_bhb_loop+0x15/0x70
<4>[  641.338215]  ? clear_bhb_loop+0x15/0x70
<4>[  641.338217]  ? clear_bhb_loop+0x15/0x70
<4>[  641.338219]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.338222] RIP: 0033:0x7b6f0df24ded
<4>[  641.338224] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.338225] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.338228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.338230] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.338231] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.338233] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.338234] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<2>[  641.338253] DMAR: ERROR: DMA PTE for vPFN 0x3d1736f already set (to 2ba36e003 not 2ba36e003)
<4>[  641.339079]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.340507]  ? find_held_lock+0x31/0x90
<4>[  641.340513]  ? lock_release+0xd4/0x2b0
<4>[  641.340517]  ? find_held_lock+0x31/0x90
<4>[  641.340519]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.340523]  ? lock_release+0xd4/0x2b0
<4>[  641.340528]  ? up_read+0x22/0x30
<4>[  641.340530]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.340534]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.340537]  ? irqentry_exit+0x77/0xb0
<4>[  641.340540]  ? clear_bhb_loop+0x15/0x70
<4>[  641.340541]  ? clear_bhb_loop+0x15/0x70
<4>[  641.340543]  ? clear_bhb_loop+0x15/0x70
<4>[  641.340546]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.340548] RIP: 0033:0x7b6f0df24ded
<4>[  641.340550] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.340552] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.340555] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.340556] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.340558] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.340559] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.340561] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.340690]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.342501]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.342845]  ? find_held_lock+0x31/0x90
<4>[  641.342850]  ? lock_release+0xd4/0x2b0
<4>[  641.342854]  ? find_held_lock+0x31/0x90
<4>[  641.342856]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.342860]  ? lock_release+0xd4/0x2b0
<4>[  641.342865]  ? up_read+0x22/0x30
<4>[  641.342867]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.342871]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.342874]  ? irqentry_exit+0x77/0xb0
<4>[  641.342877]  ? clear_bhb_loop+0x15/0x70
<4>[  641.342878]  ? clear_bhb_loop+0x15/0x70
<4>[  641.342880]  ? clear_bhb_loop+0x15/0x70
<4>[  641.342883]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.342885] RIP: 0033:0x7b6f0df24ded
<4>[  641.342887] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.342889] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.342892] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.342893] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.342895] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.342896] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.342898] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.343022]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.345140]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.345173]  ? find_held_lock+0x31/0x90
<4>[  641.345176]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.345178]  ? lock_release+0xd4/0x2b0
<4>[  641.345183]  ? find_held_lock+0x31/0x90
<4>[  641.345185]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.345189]  ? lock_release+0xd4/0x2b0
<4>[  641.345193]  ? up_read+0x22/0x30
<4>[  641.345196]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.345199]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.345203]  ? irqentry_exit+0x77/0xb0
<4>[  641.345205]  ? clear_bhb_loop+0x15/0x70
<4>[  641.345207]  ? clear_bhb_loop+0x15/0x70
<4>[  641.345209]  ? clear_bhb_loop+0x15/0x70
<4>[  641.345211]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.345214] RIP: 0033:0x7b6f0df24ded
<4>[  641.345216] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.345218] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.345220] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.345222] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.345223] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.345225] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.345226] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.345357] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.347500]  ? find_held_lock+0x31/0x90
<4>[  641.347505]  ? lock_release+0xd4/0x2b0
<4>[  641.347509]  ? find_held_lock+0x31/0x90
<4>[  641.347512]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.347515]  ? lock_release+0xd4/0x2b0
<4>[  641.347520]  ? up_read+0x22/0x30
<4>[  641.347522]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.347526]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.347529]  ? irqentry_exit+0x77/0xb0
<4>[  641.347532]  ? clear_bhb_loop+0x15/0x70
<4>[  641.347534]  ? clear_bhb_loop+0x15/0x70
<4>[  641.347535]  ? clear_bhb_loop+0x15/0x70
<4>[  641.347538]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.347541] RIP: 0033:0x7b6f0df24ded
<4>[  641.347542] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.347544] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.347547] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.347549] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.347550] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.347552] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.347553] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.347682]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.349812]  do_syscall_64+0x91/0x180
<4>[  641.349837]  ? find_held_lock+0x31/0x90
<4>[  641.349843]  ? lock_release+0xd4/0x2b0
<4>[  641.349847]  ? find_held_lock+0x31/0x90
<4>[  641.349849]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.349853]  ? lock_release+0xd4/0x2b0
<4>[  641.349858]  ? up_read+0x22/0x30
<4>[  641.349860]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.349864]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.349867]  ? irqentry_exit+0x77/0xb0
<4>[  641.349870]  ? clear_bhb_loop+0x15/0x70
<4>[  641.349871]  ? clear_bhb_loop+0x15/0x70
<4>[  641.349873]  ? clear_bhb_loop+0x15/0x70
<4>[  641.349876]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.349878] RIP: 0033:0x7b6f0df24ded
<4>[  641.349880] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.349882] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.349884] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.349886] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.349888] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.349889] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.349891] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.349906] softirqs last disabled at (262639761): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.350582]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  641.352165]  ? find_held_lock+0x31/0x90
<4>[  641.352170]  ? lock_release+0xd4/0x2b0
<4>[  641.352174]  ? find_held_lock+0x31/0x90
<4>[  641.352176]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.352180]  ? lock_release+0xd4/0x2b0
<4>[  641.352185]  ? up_read+0x22/0x30
<4>[  641.352187]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.352191]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.352194]  ? irqentry_exit+0x77/0xb0
<4>[  641.352197]  ? clear_bhb_loop+0x15/0x70
<4>[  641.352198]  ? clear_bhb_loop+0x15/0x70
<4>[  641.352200]  ? clear_bhb_loop+0x15/0x70
<4>[  641.352203]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.352205] RIP: 0033:0x7b6f0df24ded
<4>[  641.352207] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.352209] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.352212] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.352213] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.352215] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.352216] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.352218] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.352342]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.354461]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.354493]  ? find_held_lock+0x31/0x90
<4>[  641.354496]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.354499]  ? lock_release+0xd4/0x2b0
<4>[  641.354503]  ? find_held_lock+0x31/0x90
<4>[  641.354505]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.354509]  ? lock_release+0xd4/0x2b0
<4>[  641.354514]  ? up_read+0x22/0x30
<4>[  641.354516]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.354520]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.354523]  ? irqentry_exit+0x77/0xb0
<4>[  641.354526]  ? clear_bhb_loop+0x15/0x70
<4>[  641.354527]  ? clear_bhb_loop+0x15/0x70
<4>[  641.354529]  ? clear_bhb_loop+0x15/0x70
<4>[  641.354532]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.354534] RIP: 0033:0x7b6f0df24ded
<4>[  641.354536] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.354538] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.354541] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.354542] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.354544] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.354545] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.354547] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.354674]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.356821]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.356827]  ? find_held_lock+0x31/0x90
<4>[  641.356832]  ? lock_release+0xd4/0x2b0
<4>[  641.356836]  ? find_held_lock+0x31/0x90
<4>[  641.356838]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.356842]  ? lock_release+0xd4/0x2b0
<4>[  641.356847]  ? up_read+0x22/0x30
<4>[  641.356849]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.356853]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.356856]  ? irqentry_exit+0x77/0xb0
<4>[  641.356859]  ? clear_bhb_loop+0x15/0x70
<4>[  641.356861]  ? clear_bhb_loop+0x15/0x70
<4>[  641.356862]  ? clear_bhb_loop+0x15/0x70
<4>[  641.356865]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.356867] RIP: 0033:0x7b6f0df24ded
<4>[  641.356869] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.356871] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.356874] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.356875] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.356877] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.356878] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.356880] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.357003]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.359146]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.359153]  ? find_held_lock+0x31/0x90
<4>[  641.359158]  ? lock_release+0xd4/0x2b0
<4>[  641.359162]  ? find_held_lock+0x31/0x90
<4>[  641.359164]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.359168]  ? lock_release+0xd4/0x2b0
<4>[  641.359173]  ? up_read+0x22/0x30
<4>[  641.359175]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.359179]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.359182]  ? irqentry_exit+0x77/0xb0
<4>[  641.359185]  ? clear_bhb_loop+0x15/0x70
<4>[  641.359186]  ? clear_bhb_loop+0x15/0x70
<4>[  641.359188]  ? clear_bhb_loop+0x15/0x70
<4>[  641.359191]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.359193] RIP: 0033:0x7b6f0df24ded
<4>[  641.359195] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.359197] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.359200] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.359201] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.359203] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.359204] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.359206] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.359336] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.361482]  ? find_held_lock+0x31/0x90
<4>[  641.361487]  ? lock_release+0xd4/0x2b0
<4>[  641.361491]  ? find_held_lock+0x31/0x90
<4>[  641.361493]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.361497]  ? lock_release+0xd4/0x2b0
<4>[  641.361502]  ? up_read+0x22/0x30
<4>[  641.361504]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.361508]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.361511]  ? irqentry_exit+0x77/0xb0
<4>[  641.361514]  ? clear_bhb_loop+0x15/0x70
<4>[  641.361516]  ? clear_bhb_loop+0x15/0x70
<4>[  641.361517]  ? clear_bhb_loop+0x15/0x70
<4>[  641.361520]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.361522] RIP: 0033:0x7b6f0df24ded
<4>[  641.361524] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.361526] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.361529] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.361530] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.361532] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.361533] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.361535] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.361663]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.363796]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.363840]  ? find_held_lock+0x31/0x90
<4>[  641.363843]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.363847]  ? lock_release+0xd4/0x2b0
<4>[  641.363852]  ? find_held_lock+0x31/0x90
<4>[  641.363854]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.363859]  ? lock_release+0xd4/0x2b0
<4>[  641.363865]  ? up_read+0x22/0x30
<4>[  641.363868]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.363872]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.363876]  ? irqentry_exit+0x77/0xb0
<4>[  641.363879]  ? clear_bhb_loop+0x15/0x70
<4>[  641.363880]  ? clear_bhb_loop+0x15/0x70
<4>[  641.363882]  ? clear_bhb_loop+0x15/0x70
<4>[  641.363885]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.363888] RIP: 0033:0x7b6f0df24ded
<4>[  641.363890] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.363892] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.363894] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.363896] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.363898] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.363899] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.363901] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.364031]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.366250]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.366262]  ? find_held_lock+0x31/0x90
<4>[  641.366268]  ? lock_release+0xd4/0x2b0
<4>[  641.366273]  ? find_held_lock+0x31/0x90
<4>[  641.366276]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.366280]  ? lock_release+0xd4/0x2b0
<4>[  641.366286]  ? up_read+0x22/0x30
<4>[  641.366289]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.366293]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.366297]  ? irqentry_exit+0x77/0xb0
<4>[  641.366300]  ? clear_bhb_loop+0x15/0x70
<4>[  641.366302]  ? clear_bhb_loop+0x15/0x70
<4>[  641.366303]  ? clear_bhb_loop+0x15/0x70
<4>[  641.366307]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.366309] RIP: 0033:0x7b6f0df24ded
<4>[  641.366311] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.366313] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.366316] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.366317] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.366319] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.366320] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.366322] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.366450]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.368671]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.368683]  ? find_held_lock+0x31/0x90
<4>[  641.368689]  ? lock_release+0xd4/0x2b0
<4>[  641.368695]  ? find_held_lock+0x31/0x90
<4>[  641.368697]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.368702]  ? lock_release+0xd4/0x2b0
<4>[  641.368708]  ? up_read+0x22/0x30
<4>[  641.368711]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.368715]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.368719]  ? irqentry_exit+0x77/0xb0
<4>[  641.368722]  ? clear_bhb_loop+0x15/0x70
<4>[  641.368724]  ? clear_bhb_loop+0x15/0x70
<4>[  641.368725]  ? clear_bhb_loop+0x15/0x70
<4>[  641.368729]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.368731] RIP: 0033:0x7b6f0df24ded
<4>[  641.368733] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.368735] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.368738] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.368739] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.368741] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.368743] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.368744] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.368874]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.371061]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.371106]  ? find_held_lock+0x31/0x90
<4>[  641.371108]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.371112]  ? lock_release+0xd4/0x2b0
<4>[  641.371117]  ? find_held_lock+0x31/0x90
<4>[  641.371119]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.371124]  ? lock_release+0xd4/0x2b0
<4>[  641.371130]  ? up_read+0x22/0x30
<4>[  641.371133]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.371137]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.371141]  ? irqentry_exit+0x77/0xb0
<4>[  641.371144]  ? clear_bhb_loop+0x15/0x70
<4>[  641.371146]  ? clear_bhb_loop+0x15/0x70
<4>[  641.371147]  ? clear_bhb_loop+0x15/0x70
<4>[  641.371151]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.371153] RIP: 0033:0x7b6f0df24ded
<4>[  641.371155] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.371157] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.371160] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.371161] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.371163] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.371164] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.371166] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.371303] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.371323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.373522]  ? do_syscall_64+0x9d/0x180
<4>[  641.373525]  ? find_held_lock+0x31/0x90
<4>[  641.373531]  ? lock_release+0xd4/0x2b0
<4>[  641.373536]  ? find_held_lock+0x31/0x90
<4>[  641.373539]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.373543]  ? lock_release+0xd4/0x2b0
<4>[  641.373549]  ? up_read+0x22/0x30
<4>[  641.373552]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.373556]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.373560]  ? irqentry_exit+0x77/0xb0
<4>[  641.373563]  ? clear_bhb_loop+0x15/0x70
<4>[  641.373565]  ? clear_bhb_loop+0x15/0x70
<4>[  641.373566]  ? clear_bhb_loop+0x15/0x70
<4>[  641.373570]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.373572] RIP: 0033:0x7b6f0df24ded
<4>[  641.373574] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.373576] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.373579] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.373581] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.373582] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.373584] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.373585] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.373719]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.375931]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.375951]  ? find_held_lock+0x31/0x90
<4>[  641.375957]  ? lock_release+0xd4/0x2b0
<4>[  641.375962]  ? find_held_lock+0x31/0x90
<4>[  641.375964]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.375969]  ? lock_release+0xd4/0x2b0
<4>[  641.375975]  ? up_read+0x22/0x30
<4>[  641.375978]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.375982]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.375986]  ? irqentry_exit+0x77/0xb0
<4>[  641.375989]  ? clear_bhb_loop+0x15/0x70
<4>[  641.375991]  ? clear_bhb_loop+0x15/0x70
<4>[  641.375993]  ? clear_bhb_loop+0x15/0x70
<4>[  641.375996]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.375998] RIP: 0033:0x7b6f0df24ded
<4>[  641.376000] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.376002] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.376005] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.376006] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.376008] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.376009] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.376011] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.376139]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.378012]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.378370]  ? find_held_lock+0x31/0x90
<4>[  641.378377]  ? lock_release+0xd4/0x2b0
<4>[  641.378382]  ? find_held_lock+0x31/0x90
<4>[  641.378384]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.378389]  ? lock_release+0xd4/0x2b0
<4>[  641.378395]  ? up_read+0x22/0x30
<4>[  641.378398]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.378402]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.378406]  ? irqentry_exit+0x77/0xb0
<4>[  641.378409]  ? clear_bhb_loop+0x15/0x70
<4>[  641.378411]  ? clear_bhb_loop+0x15/0x70
<4>[  641.378412]  ? clear_bhb_loop+0x15/0x70
<4>[  641.378415]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.378418] RIP: 0033:0x7b6f0df24ded
<4>[  641.378420] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.378422] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.378425] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.378426] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.378428] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.378429] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.378431] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.378559]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.380761]  do_syscall_64+0x91/0x180
<4>[  641.380798]  ? find_held_lock+0x31/0x90
<4>[  641.380804]  ? lock_release+0xd4/0x2b0
<4>[  641.380810]  ? find_held_lock+0x31/0x90
<4>[  641.380812]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.380817]  ? lock_release+0xd4/0x2b0
<4>[  641.380823]  ? up_read+0x22/0x30
<4>[  641.380826]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.380830]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.380834]  ? irqentry_exit+0x77/0xb0
<4>[  641.380837]  ? clear_bhb_loop+0x15/0x70
<4>[  641.380839]  ? clear_bhb_loop+0x15/0x70
<4>[  641.380841]  ? clear_bhb_loop+0x15/0x70
<4>[  641.380844]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.380846] RIP: 0033:0x7b6f0df24ded
<4>[  641.380849] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.380850] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.380853] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.380855] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.380856] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.380858] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.380859] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.380881] ---[ end trace 0000000000000000 ]---
<4>[  641.381001] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.382513]  i915_gem_do_execbuffer+0xd89/0x3030 [i915]
<4>[  641.383220]  ? find_held_lock+0x31/0x90
<4>[  641.383226]  ? lock_release+0xd4/0x2b0
<4>[  641.383231]  ? find_held_lock+0x31/0x90
<4>[  641.383234]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.383238]  ? lock_release+0xd4/0x2b0
<4>[  641.383244]  ? up_read+0x22/0x30
<4>[  641.383247]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.383251]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.383255]  ? irqentry_exit+0x77/0xb0
<4>[  641.383258]  ? clear_bhb_loop+0x15/0x70
<4>[  641.383260]  ? clear_bhb_loop+0x15/0x70
<4>[  641.383262]  ? clear_bhb_loop+0x15/0x70
<4>[  641.383265]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.383267] RIP: 0033:0x7b6f0df24ded
<4>[  641.383269] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.383271] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.383274] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.383275] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.383277] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.383278] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.383280] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.383298] softirqs last  enabled at (262717390): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.384935]  i915_gem_do_execbuffer+0xd89/0x3030 [i915]
<4>[  641.385643]  ? find_held_lock+0x31/0x90
<4>[  641.385649]  ? lock_release+0xd4/0x2b0
<4>[  641.385654]  ? find_held_lock+0x31/0x90
<4>[  641.385657]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.385661]  ? lock_release+0xd4/0x2b0
<4>[  641.385668]  ? up_read+0x22/0x30
<4>[  641.385670]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.385675]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.385679]  ? irqentry_exit+0x77/0xb0
<4>[  641.385681]  ? clear_bhb_loop+0x15/0x70
<4>[  641.385683]  ? clear_bhb_loop+0x15/0x70
<4>[  641.385685]  ? clear_bhb_loop+0x15/0x70
<4>[  641.385688]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.385691] RIP: 0033:0x7b6f0df24ded
<4>[  641.385693] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.385695] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.385698] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.385699] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.385701] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.385702] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.385704] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.385722] softirqs last  enabled at (262721374): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.386266]  i915_ttm_get_pages+0x121/0x180 [i915]
<4>[  641.388062]  ? find_held_lock+0x31/0x90
<4>[  641.388064]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.388068]  ? lock_release+0xd4/0x2b0
<4>[  641.388073]  ? find_held_lock+0x31/0x90
<4>[  641.388076]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.388080]  ? lock_release+0xd4/0x2b0
<4>[  641.388086]  ? up_read+0x22/0x30
<4>[  641.388089]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.388093]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.388097]  ? irqentry_exit+0x77/0xb0
<4>[  641.388100]  ? clear_bhb_loop+0x15/0x70
<4>[  641.388102]  ? clear_bhb_loop+0x15/0x70
<4>[  641.388104]  ? clear_bhb_loop+0x15/0x70
<4>[  641.388107]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.388109] RIP: 0033:0x7b6f0df24ded
<4>[  641.388111] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.388113] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.388116] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.388117] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.388119] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.388120] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.388122] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.388250]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.390472]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.390484]  ? find_held_lock+0x31/0x90
<4>[  641.390490]  ? lock_release+0xd4/0x2b0
<4>[  641.390495]  ? find_held_lock+0x31/0x90
<4>[  641.390497]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.390502]  ? lock_release+0xd4/0x2b0
<4>[  641.390508]  ? up_read+0x22/0x30
<4>[  641.390511]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.390515]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.390519]  ? irqentry_exit+0x77/0xb0
<4>[  641.390522]  ? clear_bhb_loop+0x15/0x70
<4>[  641.390524]  ? clear_bhb_loop+0x15/0x70
<4>[  641.390525]  ? clear_bhb_loop+0x15/0x70
<4>[  641.390529]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.390531] RIP: 0033:0x7b6f0df24ded
<4>[  641.390533] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.390535] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.390538] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.390539] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.390541] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.390542] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.390544] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.390677]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.392876]  do_syscall_64+0x91/0x180
<4>[  641.392913]  ? find_held_lock+0x31/0x90
<4>[  641.392919]  ? lock_release+0xd4/0x2b0
<4>[  641.392924]  ? find_held_lock+0x31/0x90
<4>[  641.392927]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.392931]  ? lock_release+0xd4/0x2b0
<4>[  641.392938]  ? up_read+0x22/0x30
<4>[  641.392940]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.392945]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.392949]  ? irqentry_exit+0x77/0xb0
<4>[  641.392951]  ? clear_bhb_loop+0x15/0x70
<4>[  641.392953]  ? clear_bhb_loop+0x15/0x70
<4>[  641.392955]  ? clear_bhb_loop+0x15/0x70
<4>[  641.392958]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.392961] RIP: 0033:0x7b6f0df24ded
<4>[  641.392963] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.392965] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.392967] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.392969] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.392970] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.392972] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.392973] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.392993] softirqs last disabled at (262734995): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.393705]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  641.395332]  ? find_held_lock+0x31/0x90
<4>[  641.395339]  ? lock_release+0xd4/0x2b0
<4>[  641.395344]  ? find_held_lock+0x31/0x90
<4>[  641.395346]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.395351]  ? lock_release+0xd4/0x2b0
<4>[  641.395357]  ? up_read+0x22/0x30
<4>[  641.395360]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.395364]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.395368]  ? irqentry_exit+0x77/0xb0
<4>[  641.395371]  ? clear_bhb_loop+0x15/0x70
<4>[  641.395373]  ? clear_bhb_loop+0x15/0x70
<4>[  641.395374]  ? clear_bhb_loop+0x15/0x70
<4>[  641.395377]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.395380] RIP: 0033:0x7b6f0df24ded
<4>[  641.395382] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.395384] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.395386] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.395388] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.395389] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.395391] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.395392] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.395414] ---[ end trace 0000000000000000 ]---
<4>[  641.395534] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.397052]  i915_gem_do_execbuffer+0xd89/0x3030 [i915]
<4>[  641.397760]  ? find_held_lock+0x31/0x90
<4>[  641.397766]  ? lock_release+0xd4/0x2b0
<4>[  641.397771]  ? find_held_lock+0x31/0x90
<4>[  641.397774]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.397778]  ? lock_release+0xd4/0x2b0
<4>[  641.397785]  ? up_read+0x22/0x30
<4>[  641.397787]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.397792]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.397796]  ? irqentry_exit+0x77/0xb0
<4>[  641.397799]  ? clear_bhb_loop+0x15/0x70
<4>[  641.397800]  ? clear_bhb_loop+0x15/0x70
<4>[  641.397802]  ? clear_bhb_loop+0x15/0x70
<4>[  641.397805]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.397808] RIP: 0033:0x7b6f0df24ded
<4>[  641.397810] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.397812] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.397814] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.397816] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.397818] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.397819] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.397821] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.397950]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.399974]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.400186]  ? find_held_lock+0x31/0x90
<4>[  641.400189]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.400192]  ? lock_release+0xd4/0x2b0
<4>[  641.400198]  ? find_held_lock+0x31/0x90
<4>[  641.400200]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.400205]  ? lock_release+0xd4/0x2b0
<4>[  641.400211]  ? up_read+0x22/0x30
<4>[  641.400214]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.400218]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.400222]  ? irqentry_exit+0x77/0xb0
<4>[  641.400225]  ? clear_bhb_loop+0x15/0x70
<4>[  641.400226]  ? clear_bhb_loop+0x15/0x70
<4>[  641.400228]  ? clear_bhb_loop+0x15/0x70
<4>[  641.400231]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.400234] RIP: 0033:0x7b6f0df24ded
<4>[  641.400236] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.400238] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.400241] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.400242] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.400244] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.400245] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.400247] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.400376]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.402596]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.402608]  ? find_held_lock+0x31/0x90
<4>[  641.402614]  ? lock_release+0xd4/0x2b0
<4>[  641.402619]  ? find_held_lock+0x31/0x90
<4>[  641.402626]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.402631]  ? lock_release+0xd4/0x2b0
<4>[  641.402637]  ? up_read+0x22/0x30
<4>[  641.402640]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.402644]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.402648]  ? irqentry_exit+0x77/0xb0
<4>[  641.402651]  ? clear_bhb_loop+0x15/0x70
<4>[  641.402653]  ? clear_bhb_loop+0x15/0x70
<4>[  641.402654]  ? clear_bhb_loop+0x15/0x70
<4>[  641.402658]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.402660] RIP: 0033:0x7b6f0df24ded
<4>[  641.402663] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.402664] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.402667] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.402669] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.402670] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.402672] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.402673] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.402802]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.405017]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.405036]  ? find_held_lock+0x31/0x90
<4>[  641.405042]  ? lock_release+0xd4/0x2b0
<4>[  641.405047]  ? find_held_lock+0x31/0x90
<4>[  641.405050]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.405054]  ? lock_release+0xd4/0x2b0
<4>[  641.405061]  ? up_read+0x22/0x30
<4>[  641.405063]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.405068]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.405072]  ? irqentry_exit+0x77/0xb0
<4>[  641.405074]  ? clear_bhb_loop+0x15/0x70
<4>[  641.405076]  ? clear_bhb_loop+0x15/0x70
<4>[  641.405078]  ? clear_bhb_loop+0x15/0x70
<4>[  641.405081]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.405084] RIP: 0033:0x7b6f0df24ded
<4>[  641.405086] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.405088] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.405090] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.405092] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.405093] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.405095] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.405096] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.405148] Modules linked in: vgem drm_shmem_helper snd_hda_intel i915 snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_scodec_component snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore mei_gsc prime_numbers ttm drm_display_helper cec rc_core drm_buddy drm_kms_helper i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common ee1004 intel_tcc_cooling cmdlinepart x86_pkg_temp_thermal intel_powerclamp mei_pxp spi_nor coretemp mei_hdcp mtd ppdev wmi_bmof kvm_intel intel_wmi_thunderbolt kvm polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 smsc75xx aesni_intel usbnet crypto_simd cryptd mii rapl intel_cstate i2c_i801 spi_intel_pci e1000e i2c_mux mei_me spi_intel intel_pch_thermal i2c_smbus mei idma64 parport_pc parport binfmt_misc video nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi pmt_telemetry pmt_class intel_vsec acpi_tad acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse
<4>[  641.407508] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.407511] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.407512] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.407650]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.409881]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.409888]  ? find_held_lock+0x31/0x90
<4>[  641.409894]  ? lock_release+0xd4/0x2b0
<4>[  641.409899]  ? find_held_lock+0x31/0x90
<4>[  641.409902]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.409906]  ? lock_release+0xd4/0x2b0
<4>[  641.409913]  ? up_read+0x22/0x30
<4>[  641.409915]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.409920]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.409924]  ? irqentry_exit+0x77/0xb0
<4>[  641.409926]  ? clear_bhb_loop+0x15/0x70
<4>[  641.409928]  ? clear_bhb_loop+0x15/0x70
<4>[  641.409930]  ? clear_bhb_loop+0x15/0x70
<4>[  641.409933]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.409936] RIP: 0033:0x7b6f0df24ded
<4>[  641.409938] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.409939] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.409942] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.409944] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.409945] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.409947] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.409948] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.410078]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.412303]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.412310]  ? find_held_lock+0x31/0x90
<4>[  641.412316]  ? lock_release+0xd4/0x2b0
<4>[  641.412321]  ? find_held_lock+0x31/0x90
<4>[  641.412324]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.412328]  ? lock_release+0xd4/0x2b0
<4>[  641.412335]  ? up_read+0x22/0x30
<4>[  641.412337]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.412342]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.412346]  ? irqentry_exit+0x77/0xb0
<4>[  641.412348]  ? clear_bhb_loop+0x15/0x70
<4>[  641.412350]  ? clear_bhb_loop+0x15/0x70
<4>[  641.412352]  ? clear_bhb_loop+0x15/0x70
<4>[  641.412355]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.412358] RIP: 0033:0x7b6f0df24ded
<4>[  641.412360] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.412362] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.412364] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.412366] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.412367] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.412369] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.412370] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.412499]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.414730]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.414737]  ? find_held_lock+0x31/0x90
<4>[  641.414744]  ? lock_release+0xd4/0x2b0
<4>[  641.414749]  ? find_held_lock+0x31/0x90
<4>[  641.414751]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.414756]  ? lock_release+0xd4/0x2b0
<4>[  641.414762]  ? up_read+0x22/0x30
<4>[  641.414765]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.414769]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.414773]  ? irqentry_exit+0x77/0xb0
<4>[  641.414776]  ? clear_bhb_loop+0x15/0x70
<4>[  641.414778]  ? clear_bhb_loop+0x15/0x70
<4>[  641.414780]  ? clear_bhb_loop+0x15/0x70
<4>[  641.414783]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.414786] RIP: 0033:0x7b6f0df24ded
<4>[  641.414788] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.414789] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.414792] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.414794] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.414795] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.414797] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.414799] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.414929]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.417158]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.417165]  ? find_held_lock+0x31/0x90
<4>[  641.417171]  ? lock_release+0xd4/0x2b0
<4>[  641.417176]  ? find_held_lock+0x31/0x90
<4>[  641.417179]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.417183]  ? lock_release+0xd4/0x2b0
<4>[  641.417190]  ? up_read+0x22/0x30
<4>[  641.417192]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.417197]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.417201]  ? irqentry_exit+0x77/0xb0
<4>[  641.417203]  ? clear_bhb_loop+0x15/0x70
<4>[  641.417205]  ? clear_bhb_loop+0x15/0x70
<4>[  641.417207]  ? clear_bhb_loop+0x15/0x70
<4>[  641.417210]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.417213] RIP: 0033:0x7b6f0df24ded
<4>[  641.417215] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.417217] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.417219] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.417221] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.417222] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.417224] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.417225] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.417364] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.419590]  ? find_held_lock+0x31/0x90
<4>[  641.419596]  ? lock_release+0xd4/0x2b0
<4>[  641.419601]  ? find_held_lock+0x31/0x90
<4>[  641.419603]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.419608]  ? lock_release+0xd4/0x2b0
<4>[  641.419614]  ? up_read+0x22/0x30
<4>[  641.419617]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.419626]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.419630]  ? irqentry_exit+0x77/0xb0
<4>[  641.419633]  ? clear_bhb_loop+0x15/0x70
<4>[  641.419635]  ? clear_bhb_loop+0x15/0x70
<4>[  641.419636]  ? clear_bhb_loop+0x15/0x70
<4>[  641.419640]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.419642] RIP: 0033:0x7b6f0df24ded
<4>[  641.419644] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.419646] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.419649] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.419650] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.419652] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.419653] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.419655] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.419786]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.421805]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.422016]  ? find_held_lock+0x31/0x90
<4>[  641.422019]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.422022]  ? lock_release+0xd4/0x2b0
<4>[  641.422027]  ? find_held_lock+0x31/0x90
<4>[  641.422030]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.422034]  ? lock_release+0xd4/0x2b0
<4>[  641.422041]  ? up_read+0x22/0x30
<4>[  641.422043]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.422048]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.422052]  ? irqentry_exit+0x77/0xb0
<4>[  641.422054]  ? clear_bhb_loop+0x15/0x70
<4>[  641.422056]  ? clear_bhb_loop+0x15/0x70
<4>[  641.422058]  ? clear_bhb_loop+0x15/0x70
<4>[  641.422061]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.422064] RIP: 0033:0x7b6f0df24ded
<4>[  641.422066] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.422067] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.422070] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.422072] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.422073] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.422075] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.422076] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.422214] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.422233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.424435]  ? find_held_lock+0x31/0x90
<4>[  641.424438]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.424441]  ? lock_release+0xd4/0x2b0
<4>[  641.424447]  ? find_held_lock+0x31/0x90
<4>[  641.424449]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.424454]  ? lock_release+0xd4/0x2b0
<4>[  641.424460]  ? up_read+0x22/0x30
<4>[  641.424462]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.424467]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.424471]  ? irqentry_exit+0x77/0xb0
<4>[  641.424474]  ? clear_bhb_loop+0x15/0x70
<4>[  641.424475]  ? clear_bhb_loop+0x15/0x70
<4>[  641.424477]  ? clear_bhb_loop+0x15/0x70
<4>[  641.424480]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.424483] RIP: 0033:0x7b6f0df24ded
<4>[  641.424485] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.424487] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.424489] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.424491] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.424492] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.424494] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.424495] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.424630]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.426852]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.426863]  ? find_held_lock+0x31/0x90
<4>[  641.426869]  ? lock_release+0xd4/0x2b0
<4>[  641.426874]  ? find_held_lock+0x31/0x90
<4>[  641.426877]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.426881]  ? lock_release+0xd4/0x2b0
<4>[  641.426888]  ? up_read+0x22/0x30
<4>[  641.426890]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.426895]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.426899]  ? irqentry_exit+0x77/0xb0
<4>[  641.426901]  ? clear_bhb_loop+0x15/0x70
<4>[  641.426903]  ? clear_bhb_loop+0x15/0x70
<4>[  641.426905]  ? clear_bhb_loop+0x15/0x70
<4>[  641.426908]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.426911] RIP: 0033:0x7b6f0df24ded
<4>[  641.426913] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.426914] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.426917] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.426919] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.426920] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.426922] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.426923] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.427053]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.429246]  do_syscall_64+0x91/0x180
<4>[  641.429283]  ? find_held_lock+0x31/0x90
<4>[  641.429289]  ? lock_release+0xd4/0x2b0
<4>[  641.429294]  ? find_held_lock+0x31/0x90
<4>[  641.429297]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.429301]  ? lock_release+0xd4/0x2b0
<4>[  641.429308]  ? up_read+0x22/0x30
<4>[  641.429310]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.429315]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.429319]  ? irqentry_exit+0x77/0xb0
<4>[  641.429321]  ? clear_bhb_loop+0x15/0x70
<4>[  641.429323]  ? clear_bhb_loop+0x15/0x70
<4>[  641.429325]  ? clear_bhb_loop+0x15/0x70
<4>[  641.429328]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.429331] RIP: 0033:0x7b6f0df24ded
<4>[  641.429333] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.429334] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.429337] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.429339] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.429340] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.429342] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.429343] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.429472]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.431661]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.431706]  ? find_held_lock+0x31/0x90
<4>[  641.431712]  ? lock_release+0xd4/0x2b0
<4>[  641.431717]  ? find_held_lock+0x31/0x90
<4>[  641.431720]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.431725]  ? lock_release+0xd4/0x2b0
<4>[  641.431731]  ? up_read+0x22/0x30
<4>[  641.431734]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.431738]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.431742]  ? irqentry_exit+0x77/0xb0
<4>[  641.431745]  ? clear_bhb_loop+0x15/0x70
<4>[  641.431747]  ? clear_bhb_loop+0x15/0x70
<4>[  641.431748]  ? clear_bhb_loop+0x15/0x70
<4>[  641.431752]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.431754] RIP: 0033:0x7b6f0df24ded
<4>[  641.431756] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.431758] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.431761] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.431762] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.431764] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.431766] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.431767] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.431819] Modules linked in: vgem drm_shmem_helper snd_hda_intel i915 snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_scodec_component snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore mei_gsc prime_numbers ttm drm_display_helper cec rc_core drm_buddy drm_kms_helper i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common ee1004 intel_tcc_cooling cmdlinepart x86_pkg_temp_thermal intel_powerclamp mei_pxp spi_nor coretemp mei_hdcp mtd ppdev wmi_bmof kvm_intel intel_wmi_thunderbolt kvm polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 smsc75xx aesni_intel usbnet crypto_simd cryptd mii rapl intel_cstate i2c_i801 spi_intel_pci e1000e i2c_mux mei_me spi_intel intel_pch_thermal i2c_smbus mei idma64 parport_pc parport binfmt_misc video nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi pmt_telemetry pmt_class intel_vsec acpi_tad acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse
<4>[  641.434177] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.434180] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.434182] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.434314]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.436532]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.436544]  ? find_held_lock+0x31/0x90
<4>[  641.436550]  ? lock_release+0xd4/0x2b0
<4>[  641.436555]  ? find_held_lock+0x31/0x90
<4>[  641.436558]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.436562]  ? lock_release+0xd4/0x2b0
<4>[  641.436569]  ? up_read+0x22/0x30
<4>[  641.436571]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.436576]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.436580]  ? irqentry_exit+0x77/0xb0
<4>[  641.436582]  ? clear_bhb_loop+0x15/0x70
<4>[  641.436584]  ? clear_bhb_loop+0x15/0x70
<4>[  641.436586]  ? clear_bhb_loop+0x15/0x70
<4>[  641.436589]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.436592] RIP: 0033:0x7b6f0df24ded
<4>[  641.436594] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.436595] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.436598] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.436600] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.436601] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.436603] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.436604] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.436737]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.438961]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.438972]  ? find_held_lock+0x31/0x90
<4>[  641.438978]  ? lock_release+0xd4/0x2b0
<4>[  641.438983]  ? find_held_lock+0x31/0x90
<4>[  641.438986]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.438991]  ? lock_release+0xd4/0x2b0
<4>[  641.438997]  ? up_read+0x22/0x30
<4>[  641.438999]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.439004]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.439008]  ? irqentry_exit+0x77/0xb0
<4>[  641.439011]  ? clear_bhb_loop+0x15/0x70
<4>[  641.439012]  ? clear_bhb_loop+0x15/0x70
<4>[  641.439014]  ? clear_bhb_loop+0x15/0x70
<4>[  641.439017]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.439020] RIP: 0033:0x7b6f0df24ded
<4>[  641.439022] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.439024] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.439026] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.439028] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.439030] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.439031] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.439033] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.439160]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.441370]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.441389]  ? find_held_lock+0x31/0x90
<4>[  641.441395]  ? lock_release+0xd4/0x2b0
<4>[  641.441400]  ? find_held_lock+0x31/0x90
<4>[  641.441403]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.441407]  ? lock_release+0xd4/0x2b0
<4>[  641.441413]  ? up_read+0x22/0x30
<4>[  641.441416]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.441420]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.441424]  ? irqentry_exit+0x77/0xb0
<4>[  641.441427]  ? clear_bhb_loop+0x15/0x70
<4>[  641.441429]  ? clear_bhb_loop+0x15/0x70
<4>[  641.441431]  ? clear_bhb_loop+0x15/0x70
<4>[  641.441434]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.441436] RIP: 0033:0x7b6f0df24ded
<4>[  641.441438] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.441440] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.441443] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.441444] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.441446] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.441447] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.441449] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.441577]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.443598]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.443815]  ? find_held_lock+0x31/0x90
<4>[  641.443818]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.443822]  ? lock_release+0xd4/0x2b0
<4>[  641.443827]  ? find_held_lock+0x31/0x90
<4>[  641.443830]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.443834]  ? lock_release+0xd4/0x2b0
<4>[  641.443840]  ? up_read+0x22/0x30
<4>[  641.443843]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.443847]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.443852]  ? irqentry_exit+0x77/0xb0
<4>[  641.443854]  ? clear_bhb_loop+0x15/0x70
<4>[  641.443856]  ? clear_bhb_loop+0x15/0x70
<4>[  641.443858]  ? clear_bhb_loop+0x15/0x70
<4>[  641.443861]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.443864] RIP: 0033:0x7b6f0df24ded
<4>[  641.443866] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.443868] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.443870] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.443872] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.443873] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.443875] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.443876] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.444006]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.446229]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.446236]  ? find_held_lock+0x31/0x90
<4>[  641.446242]  ? lock_release+0xd4/0x2b0
<4>[  641.446247]  ? find_held_lock+0x31/0x90
<4>[  641.446250]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.446254]  ? lock_release+0xd4/0x2b0
<4>[  641.446260]  ? up_read+0x22/0x30
<4>[  641.446263]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.446267]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.446271]  ? irqentry_exit+0x77/0xb0
<4>[  641.446274]  ? clear_bhb_loop+0x15/0x70
<4>[  641.446276]  ? clear_bhb_loop+0x15/0x70
<4>[  641.446278]  ? clear_bhb_loop+0x15/0x70
<4>[  641.446281]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.446284] RIP: 0033:0x7b6f0df24ded
<4>[  641.446285] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.446287] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.446290] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.446291] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.446293] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.446294] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.446296] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.446426]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.448653]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.448660]  ? find_held_lock+0x31/0x90
<4>[  641.448666]  ? lock_release+0xd4/0x2b0
<4>[  641.448671]  ? find_held_lock+0x31/0x90
<4>[  641.448674]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.448678]  ? lock_release+0xd4/0x2b0
<4>[  641.448685]  ? up_read+0x22/0x30
<4>[  641.448687]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.448692]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.448696]  ? irqentry_exit+0x77/0xb0
<4>[  641.448699]  ? clear_bhb_loop+0x15/0x70
<4>[  641.448700]  ? clear_bhb_loop+0x15/0x70
<4>[  641.448702]  ? clear_bhb_loop+0x15/0x70
<4>[  641.448705]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.448708] RIP: 0033:0x7b6f0df24ded
<4>[  641.448710] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.448712] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.448714] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.448716] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.448718] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.448719] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.448721] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.448859] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.448879] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.451081]  ? find_held_lock+0x31/0x90
<4>[  641.451083]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.451087]  ? lock_release+0xd4/0x2b0
<4>[  641.451092]  ? find_held_lock+0x31/0x90
<4>[  641.451095]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.451099]  ? lock_release+0xd4/0x2b0
<4>[  641.451105]  ? up_read+0x22/0x30
<4>[  641.451108]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.451112]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.451116]  ? irqentry_exit+0x77/0xb0
<4>[  641.451119]  ? clear_bhb_loop+0x15/0x70
<4>[  641.451121]  ? clear_bhb_loop+0x15/0x70
<4>[  641.451123]  ? clear_bhb_loop+0x15/0x70
<4>[  641.451126]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.451128] RIP: 0033:0x7b6f0df24ded
<4>[  641.451130] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.451132] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.451135] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.451136] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.451138] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.451139] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.451141] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.451269]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.453480]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.453500]  ? find_held_lock+0x31/0x90
<4>[  641.453506]  ? lock_release+0xd4/0x2b0
<4>[  641.453511]  ? find_held_lock+0x31/0x90
<4>[  641.453513]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.453518]  ? lock_release+0xd4/0x2b0
<4>[  641.453524]  ? up_read+0x22/0x30
<4>[  641.453527]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.453531]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.453535]  ? irqentry_exit+0x77/0xb0
<4>[  641.453538]  ? clear_bhb_loop+0x15/0x70
<4>[  641.453540]  ? clear_bhb_loop+0x15/0x70
<4>[  641.453541]  ? clear_bhb_loop+0x15/0x70
<4>[  641.453544]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.453547] RIP: 0033:0x7b6f0df24ded
<4>[  641.453549] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.453551] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.453553] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.453555] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.453557] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.453558] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.453560] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<2>[  641.453583] DMAR: ERROR: DMA PTE for vPFN 0x3d1739f already set (to 2ba39e003 not 2ba39e003)
<4>[  641.454134]  i915_ttm_get_pages+0x121/0x180 [i915]
<4>[  641.455929]  ? find_held_lock+0x31/0x90
<4>[  641.455932]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.455936]  ? lock_release+0xd4/0x2b0
<4>[  641.455941]  ? find_held_lock+0x31/0x90
<4>[  641.455943]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.455948]  ? lock_release+0xd4/0x2b0
<4>[  641.455954]  ? up_read+0x22/0x30
<4>[  641.455957]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.455961]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.455965]  ? irqentry_exit+0x77/0xb0
<4>[  641.455968]  ? clear_bhb_loop+0x15/0x70
<4>[  641.455970]  ? clear_bhb_loop+0x15/0x70
<4>[  641.455971]  ? clear_bhb_loop+0x15/0x70
<4>[  641.455974]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.455977] RIP: 0033:0x7b6f0df24ded
<4>[  641.455979] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.455981] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.455983] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.455985] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.455987] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.455988] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.455990] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.456119]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.458345]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.458352]  ? find_held_lock+0x31/0x90
<4>[  641.458358]  ? lock_release+0xd4/0x2b0
<4>[  641.458363]  ? find_held_lock+0x31/0x90
<4>[  641.458366]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.458370]  ? lock_release+0xd4/0x2b0
<4>[  641.458376]  ? up_read+0x22/0x30
<4>[  641.458379]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.458383]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.458387]  ? irqentry_exit+0x77/0xb0
<4>[  641.458390]  ? clear_bhb_loop+0x15/0x70
<4>[  641.458392]  ? clear_bhb_loop+0x15/0x70
<4>[  641.458394]  ? clear_bhb_loop+0x15/0x70
<4>[  641.458397]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.458399] RIP: 0033:0x7b6f0df24ded
<4>[  641.458401] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.458403] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.458406] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.458407] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.458409] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.458410] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.458412] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.458541]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.460769]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.460776]  ? find_held_lock+0x31/0x90
<4>[  641.460782]  ? lock_release+0xd4/0x2b0
<4>[  641.460787]  ? find_held_lock+0x31/0x90
<4>[  641.460790]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.460795]  ? lock_release+0xd4/0x2b0
<4>[  641.460801]  ? up_read+0x22/0x30
<4>[  641.460804]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.460808]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.460812]  ? irqentry_exit+0x77/0xb0
<4>[  641.460815]  ? clear_bhb_loop+0x15/0x70
<4>[  641.460817]  ? clear_bhb_loop+0x15/0x70
<4>[  641.460818]  ? clear_bhb_loop+0x15/0x70
<4>[  641.460822]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.460824] RIP: 0033:0x7b6f0df24ded
<4>[  641.460826] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.460828] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.460831] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.460832] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.460834] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.460835] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.460837] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.460966]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.463192]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.463205]  ? lock_release+0xd4/0x2b0
<4>[  641.463210]  ? find_held_lock+0x31/0x90
<4>[  641.463212]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.463217]  ? lock_release+0xd4/0x2b0
<4>[  641.463223]  ? up_read+0x22/0x30
<4>[  641.463226]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.463230]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.463234]  ? irqentry_exit+0x77/0xb0
<4>[  641.463237]  ? clear_bhb_loop+0x15/0x70
<4>[  641.463239]  ? clear_bhb_loop+0x15/0x70
<4>[  641.463240]  ? clear_bhb_loop+0x15/0x70
<4>[  641.463244]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.463246] RIP: 0033:0x7b6f0df24ded
<4>[  641.463248] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.463250] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.463253] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.463254] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.463256] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.463257] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.463259] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.463281] ---[ end trace 0000000000000000 ]---
<4>[  641.463401] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.463829]  i915_ttm_get_pages+0x121/0x180 [i915]
<4>[  641.465626]  ? find_held_lock+0x31/0x90
<4>[  641.465629]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.465632]  ? lock_release+0xd4/0x2b0
<4>[  641.465637]  ? find_held_lock+0x31/0x90
<4>[  641.465640]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.465644]  ? lock_release+0xd4/0x2b0
<4>[  641.465650]  ? up_read+0x22/0x30
<4>[  641.465653]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.465657]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.465661]  ? irqentry_exit+0x77/0xb0
<4>[  641.465664]  ? clear_bhb_loop+0x15/0x70
<4>[  641.465666]  ? clear_bhb_loop+0x15/0x70
<4>[  641.465668]  ? clear_bhb_loop+0x15/0x70
<4>[  641.465671]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.465674] RIP: 0033:0x7b6f0df24ded
<4>[  641.465676] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.465678] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.465680] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.465682] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.465684] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.465685] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.465687] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.465817]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.468037]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.468048]  ? find_held_lock+0x31/0x90
<4>[  641.468054]  ? lock_release+0xd4/0x2b0
<4>[  641.468059]  ? find_held_lock+0x31/0x90
<4>[  641.468062]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.468066]  ? lock_release+0xd4/0x2b0
<4>[  641.468073]  ? up_read+0x22/0x30
<4>[  641.468075]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.468080]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.468084]  ? irqentry_exit+0x77/0xb0
<4>[  641.468087]  ? clear_bhb_loop+0x15/0x70
<4>[  641.468088]  ? clear_bhb_loop+0x15/0x70
<4>[  641.468090]  ? clear_bhb_loop+0x15/0x70
<4>[  641.468093]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.468096] RIP: 0033:0x7b6f0df24ded
<4>[  641.468098] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.468100] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.468102] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.468104] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.468105] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.468107] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.468108] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.468237]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.470454]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.470473]  ? find_held_lock+0x31/0x90
<4>[  641.470479]  ? lock_release+0xd4/0x2b0
<4>[  641.470484]  ? find_held_lock+0x31/0x90
<4>[  641.470487]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.470491]  ? lock_release+0xd4/0x2b0
<4>[  641.470497]  ? up_read+0x22/0x30
<4>[  641.470500]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.470504]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.470509]  ? irqentry_exit+0x77/0xb0
<4>[  641.470511]  ? clear_bhb_loop+0x15/0x70
<4>[  641.470513]  ? clear_bhb_loop+0x15/0x70
<4>[  641.470515]  ? clear_bhb_loop+0x15/0x70
<4>[  641.470518]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.470520] RIP: 0033:0x7b6f0df24ded
<4>[  641.470522] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.470524] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.470527] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.470528] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.470530] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.470531] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.470533] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.470665]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.472534]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.472897]  ? find_held_lock+0x31/0x90
<4>[  641.472903]  ? lock_release+0xd4/0x2b0
<4>[  641.472908]  ? find_held_lock+0x31/0x90
<4>[  641.472911]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.472916]  ? lock_release+0xd4/0x2b0
<4>[  641.472922]  ? up_read+0x22/0x30
<4>[  641.472924]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.472929]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.472933]  ? irqentry_exit+0x77/0xb0
<4>[  641.472936]  ? clear_bhb_loop+0x15/0x70
<4>[  641.472937]  ? clear_bhb_loop+0x15/0x70
<4>[  641.472939]  ? clear_bhb_loop+0x15/0x70
<4>[  641.472942]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.472945] RIP: 0033:0x7b6f0df24ded
<4>[  641.472947] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.472949] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.472951] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.472953] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.472954] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.472956] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.472957] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.473086]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.475298]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.475317]  ? find_held_lock+0x31/0x90
<4>[  641.475323]  ? lock_release+0xd4/0x2b0
<4>[  641.475328]  ? find_held_lock+0x31/0x90
<4>[  641.475331]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.475335]  ? lock_release+0xd4/0x2b0
<4>[  641.475342]  ? up_read+0x22/0x30
<4>[  641.475344]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.475349]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.475353]  ? irqentry_exit+0x77/0xb0
<4>[  641.475355]  ? clear_bhb_loop+0x15/0x70
<4>[  641.475357]  ? clear_bhb_loop+0x15/0x70
<4>[  641.475359]  ? clear_bhb_loop+0x15/0x70
<4>[  641.475362]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.475365] RIP: 0033:0x7b6f0df24ded
<4>[  641.475367] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.475369] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.475371] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.475373] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.475374] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.475376] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.475377] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.475506]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.477525]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.477742]  ? find_held_lock+0x31/0x90
<4>[  641.477744]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.477748]  ? lock_release+0xd4/0x2b0
<4>[  641.477753]  ? find_held_lock+0x31/0x90
<4>[  641.477756]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.477760]  ? lock_release+0xd4/0x2b0
<4>[  641.477767]  ? up_read+0x22/0x30
<4>[  641.477769]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.477774]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.477778]  ? irqentry_exit+0x77/0xb0
<4>[  641.477781]  ? clear_bhb_loop+0x15/0x70
<4>[  641.477782]  ? clear_bhb_loop+0x15/0x70
<4>[  641.477784]  ? clear_bhb_loop+0x15/0x70
<4>[  641.477787]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.477790] RIP: 0033:0x7b6f0df24ded
<4>[  641.477792] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.477794] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.477797] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.477798] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.477800] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.477801] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.477803] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.477933]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.480156]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.480167]  ? find_held_lock+0x31/0x90
<4>[  641.480173]  ? lock_release+0xd4/0x2b0
<4>[  641.480179]  ? find_held_lock+0x31/0x90
<4>[  641.480181]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.480186]  ? lock_release+0xd4/0x2b0
<4>[  641.480192]  ? up_read+0x22/0x30
<4>[  641.480195]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.480199]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.480203]  ? irqentry_exit+0x77/0xb0
<4>[  641.480206]  ? clear_bhb_loop+0x15/0x70
<4>[  641.480207]  ? clear_bhb_loop+0x15/0x70
<4>[  641.480209]  ? clear_bhb_loop+0x15/0x70
<4>[  641.480212]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.480215] RIP: 0033:0x7b6f0df24ded
<4>[  641.480217] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.480219] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.480221] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.480223] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.480225] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.480226] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.480228] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.480356]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.482568]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.482587]  ? find_held_lock+0x31/0x90
<4>[  641.482594]  ? lock_release+0xd4/0x2b0
<4>[  641.482599]  ? find_held_lock+0x31/0x90
<4>[  641.482601]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.482606]  ? lock_release+0xd4/0x2b0
<4>[  641.482616]  ? up_read+0x22/0x30
<4>[  641.482619]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.482624]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.482628]  ? irqentry_exit+0x77/0xb0
<4>[  641.482630]  ? clear_bhb_loop+0x15/0x70
<4>[  641.482632]  ? clear_bhb_loop+0x15/0x70
<4>[  641.482634]  ? clear_bhb_loop+0x15/0x70
<4>[  641.482637]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.482640] RIP: 0033:0x7b6f0df24ded
<4>[  641.482642] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.482644] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.482646] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.482648] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.482649] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.482651] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.482652] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.482782]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.484801]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.485013]  ? find_held_lock+0x31/0x90
<4>[  641.485016]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.485019]  ? lock_release+0xd4/0x2b0
<4>[  641.485025]  ? find_held_lock+0x31/0x90
<4>[  641.485027]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.485032]  ? lock_release+0xd4/0x2b0
<4>[  641.485038]  ? up_read+0x22/0x30
<4>[  641.485041]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.485045]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.485049]  ? irqentry_exit+0x77/0xb0
<4>[  641.485052]  ? clear_bhb_loop+0x15/0x70
<4>[  641.485053]  ? clear_bhb_loop+0x15/0x70
<4>[  641.485055]  ? clear_bhb_loop+0x15/0x70
<4>[  641.485058]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.485061] RIP: 0033:0x7b6f0df24ded
<4>[  641.485063] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.485065] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.485067] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.485069] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.485070] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.485072] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.485073] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.485201]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.487427]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.487434]  ? find_held_lock+0x31/0x90
<4>[  641.487440]  ? lock_release+0xd4/0x2b0
<4>[  641.487445]  ? find_held_lock+0x31/0x90
<4>[  641.487447]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.487452]  ? lock_release+0xd4/0x2b0
<4>[  641.487458]  ? up_read+0x22/0x30
<4>[  641.487461]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.487465]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.487469]  ? irqentry_exit+0x77/0xb0
<4>[  641.487472]  ? clear_bhb_loop+0x15/0x70
<4>[  641.487474]  ? clear_bhb_loop+0x15/0x70
<4>[  641.487475]  ? clear_bhb_loop+0x15/0x70
<4>[  641.487479]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.487481] RIP: 0033:0x7b6f0df24ded
<4>[  641.487483] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.487485] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.487488] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.487489] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.487491] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.487492] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.487494] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.487634] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.489860]  ? find_held_lock+0x31/0x90
<4>[  641.489866]  ? lock_release+0xd4/0x2b0
<4>[  641.489871]  ? find_held_lock+0x31/0x90
<4>[  641.489874]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.489879]  ? lock_release+0xd4/0x2b0
<4>[  641.489885]  ? up_read+0x22/0x30
<4>[  641.489887]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.489892]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.489896]  ? irqentry_exit+0x77/0xb0
<4>[  641.489899]  ? clear_bhb_loop+0x15/0x70
<4>[  641.489900]  ? clear_bhb_loop+0x15/0x70
<4>[  641.489902]  ? clear_bhb_loop+0x15/0x70
<4>[  641.489905]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.489908] RIP: 0033:0x7b6f0df24ded
<4>[  641.489910] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.489912] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.489914] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.489916] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.489917] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.489919] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.489920] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.490049]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.492074]  drm_ioctl+0x2f9/0x5b0
<4>[  641.492280]  ? find_held_lock+0x31/0x90
<4>[  641.492282]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.492286]  ? lock_release+0xd4/0x2b0
<4>[  641.492291]  ? find_held_lock+0x31/0x90
<4>[  641.492294]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.492298]  ? lock_release+0xd4/0x2b0
<4>[  641.492304]  ? up_read+0x22/0x30
<4>[  641.492307]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.492311]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.492316]  ? irqentry_exit+0x77/0xb0
<4>[  641.492318]  ? clear_bhb_loop+0x15/0x70
<4>[  641.492320]  ? clear_bhb_loop+0x15/0x70
<4>[  641.492322]  ? clear_bhb_loop+0x15/0x70
<4>[  641.492325]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.492328] RIP: 0033:0x7b6f0df24ded
<4>[  641.492330] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.492331] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.492334] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.492336] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.492337] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.492339] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.492340] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.492478] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.492498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.494705]  ? find_held_lock+0x31/0x90
<4>[  641.494707]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.494711]  ? lock_release+0xd4/0x2b0
<4>[  641.494716]  ? find_held_lock+0x31/0x90
<4>[  641.494719]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.494723]  ? lock_release+0xd4/0x2b0
<4>[  641.494730]  ? up_read+0x22/0x30
<4>[  641.494733]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.494737]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.494741]  ? irqentry_exit+0x77/0xb0
<4>[  641.494744]  ? clear_bhb_loop+0x15/0x70
<4>[  641.494746]  ? clear_bhb_loop+0x15/0x70
<4>[  641.494747]  ? clear_bhb_loop+0x15/0x70
<4>[  641.494751]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.494753] RIP: 0033:0x7b6f0df24ded
<4>[  641.494755] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.494757] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.494760] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.494762] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.494763] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.494765] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.494766] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.494895]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.497108]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.497127]  ? find_held_lock+0x31/0x90
<4>[  641.497134]  ? lock_release+0xd4/0x2b0
<4>[  641.497139]  ? find_held_lock+0x31/0x90
<4>[  641.497141]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.497146]  ? lock_release+0xd4/0x2b0
<4>[  641.497152]  ? up_read+0x22/0x30
<4>[  641.497155]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.497159]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.497163]  ? irqentry_exit+0x77/0xb0
<4>[  641.497166]  ? clear_bhb_loop+0x15/0x70
<4>[  641.497168]  ? clear_bhb_loop+0x15/0x70
<4>[  641.497169]  ? clear_bhb_loop+0x15/0x70
<4>[  641.497173]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.497175] RIP: 0033:0x7b6f0df24ded
<4>[  641.497177] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.497179] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.497182] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.497183] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.497185] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.497186] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.497188] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.497317]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.499343]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.499555]  ? find_held_lock+0x31/0x90
<4>[  641.499558]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.499561]  ? lock_release+0xd4/0x2b0
<4>[  641.499567]  ? find_held_lock+0x31/0x90
<4>[  641.499569]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.499574]  ? lock_release+0xd4/0x2b0
<4>[  641.499580]  ? up_read+0x22/0x30
<4>[  641.499583]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.499587]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.499591]  ? irqentry_exit+0x77/0xb0
<4>[  641.499594]  ? clear_bhb_loop+0x15/0x70
<4>[  641.499596]  ? clear_bhb_loop+0x15/0x70
<4>[  641.499597]  ? clear_bhb_loop+0x15/0x70
<4>[  641.499600]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.499603] RIP: 0033:0x7b6f0df24ded
<4>[  641.499605] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.499607] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.499615] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.499617] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.499618] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.499620] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.499621] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.499763] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.499783] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.501986]  ? find_held_lock+0x31/0x90
<4>[  641.501989]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.501992]  ? lock_release+0xd4/0x2b0
<4>[  641.501997]  ? find_held_lock+0x31/0x90
<4>[  641.502000]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.502004]  ? lock_release+0xd4/0x2b0
<4>[  641.502011]  ? up_read+0x22/0x30
<4>[  641.502013]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.502018]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.502022]  ? irqentry_exit+0x77/0xb0
<4>[  641.502024]  ? clear_bhb_loop+0x15/0x70
<4>[  641.502026]  ? clear_bhb_loop+0x15/0x70
<4>[  641.502028]  ? clear_bhb_loop+0x15/0x70
<4>[  641.502031]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.502034] RIP: 0033:0x7b6f0df24ded
<4>[  641.502036] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.502038] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.502040] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.502042] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.502043] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.502045] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.502046] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.502178]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.504391]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.504410]  ? find_held_lock+0x31/0x90
<4>[  641.504416]  ? lock_release+0xd4/0x2b0
<4>[  641.504421]  ? find_held_lock+0x31/0x90
<4>[  641.504424]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.504428]  ? lock_release+0xd4/0x2b0
<4>[  641.504435]  ? up_read+0x22/0x30
<4>[  641.504437]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.504442]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.504446]  ? irqentry_exit+0x77/0xb0
<4>[  641.504448]  ? clear_bhb_loop+0x15/0x70
<4>[  641.504450]  ? clear_bhb_loop+0x15/0x70
<4>[  641.504452]  ? clear_bhb_loop+0x15/0x70
<4>[  641.504455]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.504458] RIP: 0033:0x7b6f0df24ded
<4>[  641.504459] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.504461] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.504464] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.504465] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.504467] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.504468] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.504470] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.504598]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.506623]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.506835]  ? find_held_lock+0x31/0x90
<4>[  641.506841]  ? lock_release+0xd4/0x2b0
<4>[  641.506847]  ? find_held_lock+0x31/0x90
<4>[  641.506849]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.506854]  ? lock_release+0xd4/0x2b0
<4>[  641.506860]  ? up_read+0x22/0x30
<4>[  641.506862]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.506867]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.506871]  ? irqentry_exit+0x77/0xb0
<4>[  641.506874]  ? clear_bhb_loop+0x15/0x70
<4>[  641.506875]  ? clear_bhb_loop+0x15/0x70
<4>[  641.506877]  ? clear_bhb_loop+0x15/0x70
<4>[  641.506880]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.506883] RIP: 0033:0x7b6f0df24ded
<4>[  641.506885] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.506887] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.506889] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.506891] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.506892] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.506894] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.506895] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.506918] ---[ end trace 0000000000000000 ]---
<4>[  641.507037] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.507305]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.509258]  ? find_held_lock+0x31/0x90
<4>[  641.509261]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.509264]  ? lock_release+0xd4/0x2b0
<4>[  641.509269]  ? find_held_lock+0x31/0x90
<4>[  641.509272]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.509276]  ? lock_release+0xd4/0x2b0
<4>[  641.509283]  ? up_read+0x22/0x30
<4>[  641.509285]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.509290]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.509294]  ? irqentry_exit+0x77/0xb0
<4>[  641.509297]  ? clear_bhb_loop+0x15/0x70
<4>[  641.509298]  ? clear_bhb_loop+0x15/0x70
<4>[  641.509300]  ? clear_bhb_loop+0x15/0x70
<4>[  641.509303]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.509306] RIP: 0033:0x7b6f0df24ded
<4>[  641.509308] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.509310] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.509312] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.509314] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.509315] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.509317] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.509318] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.509448]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.511677]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.511684]  ? find_held_lock+0x31/0x90
<4>[  641.511690]  ? lock_release+0xd4/0x2b0
<4>[  641.511695]  ? find_held_lock+0x31/0x90
<4>[  641.511698]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.511703]  ? lock_release+0xd4/0x2b0
<4>[  641.511709]  ? up_read+0x22/0x30
<4>[  641.511712]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.511716]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.511720]  ? irqentry_exit+0x77/0xb0
<4>[  641.511723]  ? clear_bhb_loop+0x15/0x70
<4>[  641.511725]  ? clear_bhb_loop+0x15/0x70
<4>[  641.511727]  ? clear_bhb_loop+0x15/0x70
<4>[  641.511730]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.511733] RIP: 0033:0x7b6f0df24ded
<4>[  641.511735] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.511736] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.511739] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.511741] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.511742] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.511744] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.511745] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.511875]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.514098]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.514105]  ? find_held_lock+0x31/0x90
<4>[  641.514111]  ? lock_release+0xd4/0x2b0
<4>[  641.514116]  ? find_held_lock+0x31/0x90
<4>[  641.514119]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.514123]  ? lock_release+0xd4/0x2b0
<4>[  641.514130]  ? up_read+0x22/0x30
<4>[  641.514132]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.514137]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.514141]  ? irqentry_exit+0x77/0xb0
<4>[  641.514143]  ? clear_bhb_loop+0x15/0x70
<4>[  641.514145]  ? clear_bhb_loop+0x15/0x70
<4>[  641.514147]  ? clear_bhb_loop+0x15/0x70
<4>[  641.514150]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.514153] RIP: 0033:0x7b6f0df24ded
<4>[  641.514155] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.514157] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.514159] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.514161] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.514162] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.514164] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.514165] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.514301] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.516522]  ? find_held_lock+0x31/0x90
<4>[  641.516528]  ? lock_release+0xd4/0x2b0
<4>[  641.516533]  ? find_held_lock+0x31/0x90
<4>[  641.516536]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.516540]  ? lock_release+0xd4/0x2b0
<4>[  641.516547]  ? up_read+0x22/0x30
<4>[  641.516549]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.516554]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.516558]  ? irqentry_exit+0x77/0xb0
<4>[  641.516560]  ? clear_bhb_loop+0x15/0x70
<4>[  641.516562]  ? clear_bhb_loop+0x15/0x70
<4>[  641.516564]  ? clear_bhb_loop+0x15/0x70
<4>[  641.516567]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.516570] RIP: 0033:0x7b6f0df24ded
<4>[  641.516572] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.516573] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.516576] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.516578] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.516579] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.516581] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.516582] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.516718]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.518679]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.518873]  ? find_held_lock+0x31/0x90
<4>[  641.518876]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.518879]  ? lock_release+0xd4/0x2b0
<4>[  641.518883]  ? find_held_lock+0x31/0x90
<4>[  641.518885]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.518889]  ? lock_release+0xd4/0x2b0
<4>[  641.518894]  ? up_read+0x22/0x30
<4>[  641.518896]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.518900]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.518903]  ? irqentry_exit+0x77/0xb0
<4>[  641.518905]  ? clear_bhb_loop+0x15/0x70
<4>[  641.518907]  ? clear_bhb_loop+0x15/0x70
<4>[  641.518909]  ? clear_bhb_loop+0x15/0x70
<4>[  641.518911]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.518914] RIP: 0033:0x7b6f0df24ded
<4>[  641.518916] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.518918] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.518920] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.518922] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.518924] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.518925] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.518927] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.519059] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.521207]  ? find_held_lock+0x31/0x90
<4>[  641.521212]  ? lock_release+0xd4/0x2b0
<4>[  641.521216]  ? find_held_lock+0x31/0x90
<4>[  641.521219]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.521222]  ? lock_release+0xd4/0x2b0
<4>[  641.521227]  ? up_read+0x22/0x30
<4>[  641.521229]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.521233]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.521236]  ? irqentry_exit+0x77/0xb0
<4>[  641.521239]  ? clear_bhb_loop+0x15/0x70
<4>[  641.521241]  ? clear_bhb_loop+0x15/0x70
<4>[  641.521242]  ? clear_bhb_loop+0x15/0x70
<4>[  641.521245]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.521248] RIP: 0033:0x7b6f0df24ded
<4>[  641.521250] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.521251] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.521254] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.521256] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.521257] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.521259] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.521260] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.521386]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.523506]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.523540]  ? find_held_lock+0x31/0x90
<4>[  641.523545]  ? lock_release+0xd4/0x2b0
<4>[  641.523549]  ? find_held_lock+0x31/0x90
<4>[  641.523552]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.523556]  ? lock_release+0xd4/0x2b0
<4>[  641.523560]  ? up_read+0x22/0x30
<4>[  641.523563]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.523566]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.523570]  ? irqentry_exit+0x77/0xb0
<4>[  641.523572]  ? clear_bhb_loop+0x15/0x70
<4>[  641.523574]  ? clear_bhb_loop+0x15/0x70
<4>[  641.523576]  ? clear_bhb_loop+0x15/0x70
<4>[  641.523578]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.523581] RIP: 0033:0x7b6f0df24ded
<4>[  641.523583] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.523585] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.523587] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.523589] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.523590] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.523592] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.523593] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.523616] ---[ end trace 0000000000000000 ]---
<4>[  641.523736] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.524444]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.525878]  ? find_held_lock+0x31/0x90
<4>[  641.525883]  ? lock_release+0xd4/0x2b0
<4>[  641.525887]  ? find_held_lock+0x31/0x90
<4>[  641.525890]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.525894]  ? lock_release+0xd4/0x2b0
<4>[  641.525898]  ? up_read+0x22/0x30
<4>[  641.525901]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.525904]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.525908]  ? irqentry_exit+0x77/0xb0
<4>[  641.525910]  ? clear_bhb_loop+0x15/0x70
<4>[  641.525912]  ? clear_bhb_loop+0x15/0x70
<4>[  641.525914]  ? clear_bhb_loop+0x15/0x70
<4>[  641.525916]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.525919] RIP: 0033:0x7b6f0df24ded
<4>[  641.525921] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.525923] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.525925] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.525927] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.525928] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.525930] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.525931] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<2>[  641.525951] DMAR: ERROR: DMA PTE for vPFN 0x3d173bd already set (to 2ba3bc003 not 2ba3bc003)
<4>[  641.526466]  i915_ttm_get_pages+0x121/0x180 [i915]
<4>[  641.528208]  ? find_held_lock+0x31/0x90
<4>[  641.528210]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.528213]  ? lock_release+0xd4/0x2b0
<4>[  641.528217]  ? find_held_lock+0x31/0x90
<4>[  641.528220]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.528223]  ? lock_release+0xd4/0x2b0
<4>[  641.528228]  ? up_read+0x22/0x30
<4>[  641.528230]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.528234]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.528237]  ? irqentry_exit+0x77/0xb0
<4>[  641.528240]  ? clear_bhb_loop+0x15/0x70
<4>[  641.528242]  ? clear_bhb_loop+0x15/0x70
<4>[  641.528243]  ? clear_bhb_loop+0x15/0x70
<4>[  641.528246]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.528249] RIP: 0033:0x7b6f0df24ded
<4>[  641.528251] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.528252] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.528255] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.528257] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.528258] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.528260] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.528261] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.528385]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.530527]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.530537]  ? find_held_lock+0x31/0x90
<4>[  641.530543]  ? lock_release+0xd4/0x2b0
<4>[  641.530547]  ? find_held_lock+0x31/0x90
<4>[  641.530549]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.530553]  ? lock_release+0xd4/0x2b0
<4>[  641.530557]  ? up_read+0x22/0x30
<4>[  641.530560]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.530563]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.530567]  ? irqentry_exit+0x77/0xb0
<4>[  641.530569]  ? clear_bhb_loop+0x15/0x70
<4>[  641.530571]  ? clear_bhb_loop+0x15/0x70
<4>[  641.530573]  ? clear_bhb_loop+0x15/0x70
<4>[  641.530575]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.530578] RIP: 0033:0x7b6f0df24ded
<4>[  641.530580] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.530582] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.530584] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.530586] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.530587] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.530589] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.530590] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.530720]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.532858]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.532873]  ? find_held_lock+0x31/0x90
<4>[  641.532879]  ? lock_release+0xd4/0x2b0
<4>[  641.532883]  ? find_held_lock+0x31/0x90
<4>[  641.532885]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.532889]  ? lock_release+0xd4/0x2b0
<4>[  641.532893]  ? up_read+0x22/0x30
<4>[  641.532896]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.532900]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.532903]  ? irqentry_exit+0x77/0xb0
<4>[  641.532905]  ? clear_bhb_loop+0x15/0x70
<4>[  641.532907]  ? clear_bhb_loop+0x15/0x70
<4>[  641.532909]  ? clear_bhb_loop+0x15/0x70
<4>[  641.532911]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.532914] RIP: 0033:0x7b6f0df24ded
<4>[  641.532916] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.532918] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.532920] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.532922] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.532923] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.532925] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.532926] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.532973] Modules linked in: vgem drm_shmem_helper snd_hda_intel i915 snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_scodec_component snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore mei_gsc prime_numbers ttm drm_display_helper cec rc_core drm_buddy drm_kms_helper i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common ee1004 intel_tcc_cooling cmdlinepart x86_pkg_temp_thermal intel_powerclamp mei_pxp spi_nor coretemp mei_hdcp mtd ppdev wmi_bmof kvm_intel intel_wmi_thunderbolt kvm polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 smsc75xx aesni_intel usbnet crypto_simd cryptd mii rapl intel_cstate i2c_i801 spi_intel_pci e1000e i2c_mux mei_me spi_intel intel_pch_thermal i2c_smbus mei idma64 parport_pc parport binfmt_misc video nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi pmt_telemetry pmt_class intel_vsec acpi_tad acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse
<4>[  641.535246] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.535248] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.535250] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.535379]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.537526]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.537537]  ? lock_release+0xd4/0x2b0
<4>[  641.537541]  ? find_held_lock+0x31/0x90
<4>[  641.537544]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.537548]  ? lock_release+0xd4/0x2b0
<4>[  641.537552]  ? up_read+0x22/0x30
<4>[  641.537555]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.537558]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.537562]  ? irqentry_exit+0x77/0xb0
<4>[  641.537564]  ? clear_bhb_loop+0x15/0x70
<4>[  641.537566]  ? clear_bhb_loop+0x15/0x70
<4>[  641.537568]  ? clear_bhb_loop+0x15/0x70
<4>[  641.537570]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.537573] RIP: 0033:0x7b6f0df24ded
<4>[  641.537575] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.537576] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.537579] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.537581] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.537582] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.537584] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.537585] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.537714]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.539674]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.539867]  ? find_held_lock+0x31/0x90
<4>[  641.539869]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.539872]  ? lock_release+0xd4/0x2b0
<4>[  641.539876]  ? find_held_lock+0x31/0x90
<4>[  641.539879]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.539883]  ? lock_release+0xd4/0x2b0
<4>[  641.539887]  ? up_read+0x22/0x30
<4>[  641.539890]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.539893]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.539897]  ? irqentry_exit+0x77/0xb0
<4>[  641.539899]  ? clear_bhb_loop+0x15/0x70
<4>[  641.539901]  ? clear_bhb_loop+0x15/0x70
<4>[  641.539903]  ? clear_bhb_loop+0x15/0x70
<4>[  641.539905]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.539908] RIP: 0033:0x7b6f0df24ded
<4>[  641.539910] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.539912] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.539914] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.539916] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.539917] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.539919] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.539920] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.540045]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.542190]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.542196]  ? find_held_lock+0x31/0x90
<4>[  641.542202]  ? lock_release+0xd4/0x2b0
<4>[  641.542206]  ? find_held_lock+0x31/0x90
<4>[  641.542208]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.542212]  ? lock_release+0xd4/0x2b0
<4>[  641.542217]  ? up_read+0x22/0x30
<4>[  641.542219]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.542223]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.542226]  ? irqentry_exit+0x77/0xb0
<4>[  641.542229]  ? clear_bhb_loop+0x15/0x70
<4>[  641.542230]  ? clear_bhb_loop+0x15/0x70
<4>[  641.542232]  ? clear_bhb_loop+0x15/0x70
<4>[  641.542235]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.542237] RIP: 0033:0x7b6f0df24ded
<4>[  641.542239] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.542241] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.542243] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.542245] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.542246] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.542248] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.542249] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.542373]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.544520]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.544526]  ? find_held_lock+0x31/0x90
<4>[  641.544531]  ? lock_release+0xd4/0x2b0
<4>[  641.544535]  ? find_held_lock+0x31/0x90
<4>[  641.544538]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.544541]  ? lock_release+0xd4/0x2b0
<4>[  641.544546]  ? up_read+0x22/0x30
<4>[  641.544548]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.544552]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.544555]  ? irqentry_exit+0x77/0xb0
<4>[  641.544558]  ? clear_bhb_loop+0x15/0x70
<4>[  641.544560]  ? clear_bhb_loop+0x15/0x70
<4>[  641.544561]  ? clear_bhb_loop+0x15/0x70
<4>[  641.544564]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.544567] RIP: 0033:0x7b6f0df24ded
<4>[  641.544568] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.544570] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.544573] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.544575] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.544576] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.544578] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.544579] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.544709]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.546857]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.546863]  ? find_held_lock+0x31/0x90
<4>[  641.546869]  ? lock_release+0xd4/0x2b0
<4>[  641.546873]  ? find_held_lock+0x31/0x90
<4>[  641.546875]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.546879]  ? lock_release+0xd4/0x2b0
<4>[  641.546884]  ? up_read+0x22/0x30
<4>[  641.546886]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.546890]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.546893]  ? irqentry_exit+0x77/0xb0
<4>[  641.546896]  ? clear_bhb_loop+0x15/0x70
<4>[  641.546897]  ? clear_bhb_loop+0x15/0x70
<4>[  641.546899]  ? clear_bhb_loop+0x15/0x70
<4>[  641.546902]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.546904] RIP: 0033:0x7b6f0df24ded
<4>[  641.546906] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.546908] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.546911] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.546912] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.546914] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.546915] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.546917] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.547041]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.549185]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.549191]  ? find_held_lock+0x31/0x90
<4>[  641.549196]  ? lock_release+0xd4/0x2b0
<4>[  641.549200]  ? find_held_lock+0x31/0x90
<4>[  641.549203]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.549207]  ? lock_release+0xd4/0x2b0
<4>[  641.549211]  ? up_read+0x22/0x30
<4>[  641.549214]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.549217]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.549221]  ? irqentry_exit+0x77/0xb0
<4>[  641.549223]  ? clear_bhb_loop+0x15/0x70
<4>[  641.549225]  ? clear_bhb_loop+0x15/0x70
<4>[  641.549227]  ? clear_bhb_loop+0x15/0x70
<4>[  641.549229]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.549232] RIP: 0033:0x7b6f0df24ded
<4>[  641.549234] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.549236] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.549238] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.549240] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.549241] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.549243] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.549244] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.549379] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.549400] CR2: 00007b6f0df24dc3 CR3: 0000000155636005 CR4: 00000000003726f0
<4>[  641.551521]  ? find_held_lock+0x31/0x90
<4>[  641.551526]  ? lock_release+0xd4/0x2b0
<4>[  641.551530]  ? find_held_lock+0x31/0x90
<4>[  641.551533]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.551537]  ? lock_release+0xd4/0x2b0
<4>[  641.551541]  ? up_read+0x22/0x30
<4>[  641.551544]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.551547]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.551551]  ? irqentry_exit+0x77/0xb0
<4>[  641.551553]  ? clear_bhb_loop+0x15/0x70
<4>[  641.551555]  ? clear_bhb_loop+0x15/0x70
<4>[  641.551557]  ? clear_bhb_loop+0x15/0x70
<4>[  641.551559]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.551562] RIP: 0033:0x7b6f0df24ded
<4>[  641.551564] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.551565] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.551568] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.551570] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.551571] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.551573] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.551574] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.551704]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.553663]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.553857]  ? find_held_lock+0x31/0x90
<4>[  641.553859]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.553862]  ? lock_release+0xd4/0x2b0
<4>[  641.553866]  ? find_held_lock+0x31/0x90
<4>[  641.553868]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.553872]  ? lock_release+0xd4/0x2b0
<4>[  641.553877]  ? up_read+0x22/0x30
<4>[  641.553879]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.553883]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.553886]  ? irqentry_exit+0x77/0xb0
<4>[  641.553889]  ? clear_bhb_loop+0x15/0x70
<4>[  641.553891]  ? clear_bhb_loop+0x15/0x70
<4>[  641.553892]  ? clear_bhb_loop+0x15/0x70
<4>[  641.553895]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.553897] RIP: 0033:0x7b6f0df24ded
<4>[  641.553899] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.553901] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.553904] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.553905] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.553907] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.553908] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.553910] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.554033]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.556180]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.556186]  ? find_held_lock+0x31/0x90
<4>[  641.556191]  ? lock_release+0xd4/0x2b0
<4>[  641.556195]  ? find_held_lock+0x31/0x90
<4>[  641.556198]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.556201]  ? lock_release+0xd4/0x2b0
<4>[  641.556206]  ? up_read+0x22/0x30
<4>[  641.556208]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.556212]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.556215]  ? irqentry_exit+0x77/0xb0
<4>[  641.556218]  ? clear_bhb_loop+0x15/0x70
<4>[  641.556220]  ? clear_bhb_loop+0x15/0x70
<4>[  641.556221]  ? clear_bhb_loop+0x15/0x70
<4>[  641.556224]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.556227] RIP: 0033:0x7b6f0df24ded
<4>[  641.556228] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.556230] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.556233] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.556234] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.556236] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.556237] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.556239] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.556372] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.556393] CR2: 00007b6f0df24dc3 CR3: 0000000155636005 CR4: 00000000003726f0
<4>[  641.558515]  ? find_held_lock+0x31/0x90
<4>[  641.558520]  ? lock_release+0xd4/0x2b0
<4>[  641.558524]  ? find_held_lock+0x31/0x90
<4>[  641.558527]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.558531]  ? lock_release+0xd4/0x2b0
<4>[  641.558535]  ? up_read+0x22/0x30
<4>[  641.558538]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.558541]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.558545]  ? irqentry_exit+0x77/0xb0
<4>[  641.558547]  ? clear_bhb_loop+0x15/0x70
<4>[  641.558549]  ? clear_bhb_loop+0x15/0x70
<4>[  641.558551]  ? clear_bhb_loop+0x15/0x70
<4>[  641.558553]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.558556] RIP: 0033:0x7b6f0df24ded
<4>[  641.558558] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.558560] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.558562] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.558564] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.558565] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.558567] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.558568] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.558697]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.560658]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.560851]  ? find_held_lock+0x31/0x90
<4>[  641.560853]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.560856]  ? lock_release+0xd4/0x2b0
<4>[  641.560860]  ? find_held_lock+0x31/0x90
<4>[  641.560862]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.560866]  ? lock_release+0xd4/0x2b0
<4>[  641.560871]  ? up_read+0x22/0x30
<4>[  641.560873]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.560877]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.560880]  ? irqentry_exit+0x77/0xb0
<4>[  641.560883]  ? clear_bhb_loop+0x15/0x70
<4>[  641.560885]  ? clear_bhb_loop+0x15/0x70
<4>[  641.560886]  ? clear_bhb_loop+0x15/0x70
<4>[  641.560889]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.560891] RIP: 0033:0x7b6f0df24ded
<4>[  641.560893] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.560895] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.560898] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.560899] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.560901] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.560903] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.560904] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.561027]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.563171]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.563177]  ? find_held_lock+0x31/0x90
<4>[  641.563183]  ? lock_release+0xd4/0x2b0
<4>[  641.563187]  ? find_held_lock+0x31/0x90
<4>[  641.563189]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.563193]  ? lock_release+0xd4/0x2b0
<4>[  641.563198]  ? up_read+0x22/0x30
<4>[  641.563200]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.563203]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.563207]  ? irqentry_exit+0x77/0xb0
<4>[  641.563209]  ? clear_bhb_loop+0x15/0x70
<4>[  641.563211]  ? clear_bhb_loop+0x15/0x70
<4>[  641.563213]  ? clear_bhb_loop+0x15/0x70
<4>[  641.563215]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.563218] RIP: 0033:0x7b6f0df24ded
<4>[  641.563220] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.563222] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.563224] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.563226] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.563227] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.563229] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.563230] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.563355]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.565502]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.565507]  ? find_held_lock+0x31/0x90
<4>[  641.565513]  ? lock_release+0xd4/0x2b0
<4>[  641.565517]  ? find_held_lock+0x31/0x90
<4>[  641.565519]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.565523]  ? lock_release+0xd4/0x2b0
<4>[  641.565528]  ? up_read+0x22/0x30
<4>[  641.565530]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.565534]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.565537]  ? irqentry_exit+0x77/0xb0
<4>[  641.565540]  ? clear_bhb_loop+0x15/0x70
<4>[  641.565542]  ? clear_bhb_loop+0x15/0x70
<4>[  641.565543]  ? clear_bhb_loop+0x15/0x70
<4>[  641.565546]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.565548] RIP: 0033:0x7b6f0df24ded
<4>[  641.565550] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.565552] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.565555] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.565556] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.565558] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.565559] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.565561] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.565690]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.567840]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.567846]  ? find_held_lock+0x31/0x90
<4>[  641.567851]  ? lock_release+0xd4/0x2b0
<4>[  641.567855]  ? find_held_lock+0x31/0x90
<4>[  641.567858]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.567862]  ? lock_release+0xd4/0x2b0
<4>[  641.567866]  ? up_read+0x22/0x30
<4>[  641.567869]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.567872]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.567876]  ? irqentry_exit+0x77/0xb0
<4>[  641.567878]  ? clear_bhb_loop+0x15/0x70
<4>[  641.567880]  ? clear_bhb_loop+0x15/0x70
<4>[  641.567882]  ? clear_bhb_loop+0x15/0x70
<4>[  641.567884]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.567887] RIP: 0033:0x7b6f0df24ded
<4>[  641.567889] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.567890] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.567893] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.567895] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.567896] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.567898] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.567899] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.568022]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.570169]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.570175]  ? find_held_lock+0x31/0x90
<4>[  641.570180]  ? lock_release+0xd4/0x2b0
<4>[  641.570184]  ? find_held_lock+0x31/0x90
<4>[  641.570187]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.570191]  ? lock_release+0xd4/0x2b0
<4>[  641.570195]  ? up_read+0x22/0x30
<4>[  641.570198]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.570201]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.570205]  ? irqentry_exit+0x77/0xb0
<4>[  641.570207]  ? clear_bhb_loop+0x15/0x70
<4>[  641.570209]  ? clear_bhb_loop+0x15/0x70
<4>[  641.570211]  ? clear_bhb_loop+0x15/0x70
<4>[  641.570213]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.570216] RIP: 0033:0x7b6f0df24ded
<4>[  641.570218] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.570219] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.570222] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.570224] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.570225] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.570227] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.570228] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.570352]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.572498]  ? do_syscall_64+0x9d/0x180
<4>[  641.572501]  ? find_held_lock+0x31/0x90
<4>[  641.572506]  ? lock_release+0xd4/0x2b0
<4>[  641.572510]  ? find_held_lock+0x31/0x90
<4>[  641.572513]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.572517]  ? lock_release+0xd4/0x2b0
<4>[  641.572521]  ? up_read+0x22/0x30
<4>[  641.572524]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.572527]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.572531]  ? irqentry_exit+0x77/0xb0
<4>[  641.572533]  ? clear_bhb_loop+0x15/0x70
<4>[  641.572535]  ? clear_bhb_loop+0x15/0x70
<4>[  641.572536]  ? clear_bhb_loop+0x15/0x70
<4>[  641.572539]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.572542] RIP: 0033:0x7b6f0df24ded
<4>[  641.572544] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.572545] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.572548] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.572550] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.572551] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.572553] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.572554] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.572684]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.574825]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.574840]  ? find_held_lock+0x31/0x90
<4>[  641.574845]  ? lock_release+0xd4/0x2b0
<4>[  641.574849]  ? find_held_lock+0x31/0x90
<4>[  641.574852]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.574855]  ? lock_release+0xd4/0x2b0
<4>[  641.574860]  ? up_read+0x22/0x30
<4>[  641.574862]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.574866]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.574869]  ? irqentry_exit+0x77/0xb0
<4>[  641.574872]  ? clear_bhb_loop+0x15/0x70
<4>[  641.574874]  ? clear_bhb_loop+0x15/0x70
<4>[  641.574875]  ? clear_bhb_loop+0x15/0x70
<4>[  641.574878]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.574881] RIP: 0033:0x7b6f0df24ded
<4>[  641.574882] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.574884] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.574887] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.574888] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.574890] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.574891] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.574893] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.575017]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.576974]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.577166]  ? find_held_lock+0x31/0x90
<4>[  641.577169]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.577172]  ? lock_release+0xd4/0x2b0
<4>[  641.577176]  ? find_held_lock+0x31/0x90
<4>[  641.577178]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.577182]  ? lock_release+0xd4/0x2b0
<4>[  641.577187]  ? up_read+0x22/0x30
<4>[  641.577189]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.577193]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.577196]  ? irqentry_exit+0x77/0xb0
<4>[  641.577199]  ? clear_bhb_loop+0x15/0x70
<4>[  641.577201]  ? clear_bhb_loop+0x15/0x70
<4>[  641.577202]  ? clear_bhb_loop+0x15/0x70
<4>[  641.577205]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.577207] RIP: 0033:0x7b6f0df24ded
<4>[  641.577209] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.577211] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.577214] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.577215] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.577217] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.577218] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.577220] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.577344]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.579491]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.579497]  ? find_held_lock+0x31/0x90
<4>[  641.579502]  ? lock_release+0xd4/0x2b0
<4>[  641.579506]  ? find_held_lock+0x31/0x90
<4>[  641.579509]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.579512]  ? lock_release+0xd4/0x2b0
<4>[  641.579517]  ? up_read+0x22/0x30
<4>[  641.579520]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.579523]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.579527]  ? irqentry_exit+0x77/0xb0
<4>[  641.579529]  ? clear_bhb_loop+0x15/0x70
<4>[  641.579531]  ? clear_bhb_loop+0x15/0x70
<4>[  641.579532]  ? clear_bhb_loop+0x15/0x70
<4>[  641.579535]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.579538] RIP: 0033:0x7b6f0df24ded
<4>[  641.579540] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.579542] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.579544] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.579546] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.579547] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.579549] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.579550] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.579690] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.579710] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.581831]  ? do_syscall_64+0x9d/0x180
<4>[  641.581833]  ? find_held_lock+0x31/0x90
<4>[  641.581838]  ? lock_release+0xd4/0x2b0
<4>[  641.581842]  ? find_held_lock+0x31/0x90
<4>[  641.581845]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.581849]  ? lock_release+0xd4/0x2b0
<4>[  641.581853]  ? up_read+0x22/0x30
<4>[  641.581856]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.581859]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.581863]  ? irqentry_exit+0x77/0xb0
<4>[  641.581865]  ? clear_bhb_loop+0x15/0x70
<4>[  641.581867]  ? clear_bhb_loop+0x15/0x70
<4>[  641.581869]  ? clear_bhb_loop+0x15/0x70
<4>[  641.581871]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.581874] RIP: 0033:0x7b6f0df24ded
<4>[  641.581876] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.581878] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.581880] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.581882] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.581883] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.581885] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.581886] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.582012]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.584150]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.584165]  ? find_held_lock+0x31/0x90
<4>[  641.584171]  ? lock_release+0xd4/0x2b0
<4>[  641.584175]  ? find_held_lock+0x31/0x90
<4>[  641.584177]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.584181]  ? lock_release+0xd4/0x2b0
<4>[  641.584186]  ? up_read+0x22/0x30
<4>[  641.584188]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.584192]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.584195]  ? irqentry_exit+0x77/0xb0
<4>[  641.584198]  ? clear_bhb_loop+0x15/0x70
<4>[  641.584200]  ? clear_bhb_loop+0x15/0x70
<4>[  641.584201]  ? clear_bhb_loop+0x15/0x70
<4>[  641.584204]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.584206] RIP: 0033:0x7b6f0df24ded
<4>[  641.584208] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.584210] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.584213] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.584214] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.584216] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.584217] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.584219] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.584236] ---[ end trace 0000000000000000 ]---
<4>[  641.584358] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.585540]  eb_validate_vmas+0x332/0xce0 [i915]
<4>[  641.586501]  ? find_held_lock+0x31/0x90
<4>[  641.586504]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.586506]  ? lock_release+0xd4/0x2b0
<4>[  641.586511]  ? find_held_lock+0x31/0x90
<4>[  641.586513]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.586517]  ? lock_release+0xd4/0x2b0
<4>[  641.586522]  ? up_read+0x22/0x30
<4>[  641.586524]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.586528]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.586531]  ? irqentry_exit+0x77/0xb0
<4>[  641.586533]  ? clear_bhb_loop+0x15/0x70
<4>[  641.586535]  ? clear_bhb_loop+0x15/0x70
<4>[  641.586537]  ? clear_bhb_loop+0x15/0x70
<4>[  641.586540]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.586542] RIP: 0033:0x7b6f0df24ded
<4>[  641.586544] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.586546] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.586548] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.586550] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.586552] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.586553] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.586555] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.586685]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.588833]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.588839]  ? find_held_lock+0x31/0x90
<4>[  641.588844]  ? lock_release+0xd4/0x2b0
<4>[  641.588848]  ? find_held_lock+0x31/0x90
<4>[  641.588851]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.588855]  ? lock_release+0xd4/0x2b0
<4>[  641.588859]  ? up_read+0x22/0x30
<4>[  641.588862]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.588865]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.588869]  ? irqentry_exit+0x77/0xb0
<4>[  641.588871]  ? clear_bhb_loop+0x15/0x70
<4>[  641.588873]  ? clear_bhb_loop+0x15/0x70
<4>[  641.588875]  ? clear_bhb_loop+0x15/0x70
<4>[  641.588877]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.588880] RIP: 0033:0x7b6f0df24ded
<4>[  641.588882] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.588884] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.588886] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.588888] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.588889] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.588891] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.588892] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.589016]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.591163]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.591169]  ? find_held_lock+0x31/0x90
<4>[  641.591174]  ? lock_release+0xd4/0x2b0
<4>[  641.591178]  ? find_held_lock+0x31/0x90
<4>[  641.591181]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.591184]  ? lock_release+0xd4/0x2b0
<4>[  641.591189]  ? up_read+0x22/0x30
<4>[  641.591192]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.591195]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.591199]  ? irqentry_exit+0x77/0xb0
<4>[  641.591201]  ? clear_bhb_loop+0x15/0x70
<4>[  641.591203]  ? clear_bhb_loop+0x15/0x70
<4>[  641.591204]  ? clear_bhb_loop+0x15/0x70
<4>[  641.591207]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.591210] RIP: 0033:0x7b6f0df24ded
<4>[  641.591212] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.591213] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.591216] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.591218] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.591219] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.591221] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.591222] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.591355] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.591374] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.593498]  ? find_held_lock+0x31/0x90
<4>[  641.593501]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.593504]  ? lock_release+0xd4/0x2b0
<4>[  641.593508]  ? find_held_lock+0x31/0x90
<4>[  641.593510]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.593514]  ? lock_release+0xd4/0x2b0
<4>[  641.593519]  ? up_read+0x22/0x30
<4>[  641.593521]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.593525]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.593528]  ? irqentry_exit+0x77/0xb0
<4>[  641.593531]  ? clear_bhb_loop+0x15/0x70
<4>[  641.593532]  ? clear_bhb_loop+0x15/0x70
<4>[  641.593534]  ? clear_bhb_loop+0x15/0x70
<4>[  641.593537]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.593539] RIP: 0033:0x7b6f0df24ded
<4>[  641.593541] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.593543] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.593545] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.593547] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.593548] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.593550] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.593551] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.593683]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.595830]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.595840]  ? find_held_lock+0x31/0x90
<4>[  641.595845]  ? lock_release+0xd4/0x2b0
<4>[  641.595849]  ? find_held_lock+0x31/0x90
<4>[  641.595852]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.595856]  ? lock_release+0xd4/0x2b0
<4>[  641.595860]  ? up_read+0x22/0x30
<4>[  641.595863]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.595866]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.595870]  ? irqentry_exit+0x77/0xb0
<4>[  641.595872]  ? clear_bhb_loop+0x15/0x70
<4>[  641.595874]  ? clear_bhb_loop+0x15/0x70
<4>[  641.595876]  ? clear_bhb_loop+0x15/0x70
<4>[  641.595878]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.595881] RIP: 0033:0x7b6f0df24ded
<4>[  641.595883] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.595885] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.595887] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.595889] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.595890] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.595892] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.595893] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.596018]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.598142]  do_syscall_64+0x91/0x180
<4>[  641.598169]  ? find_held_lock+0x31/0x90
<4>[  641.598174]  ? lock_release+0xd4/0x2b0
<4>[  641.598178]  ? find_held_lock+0x31/0x90
<4>[  641.598180]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.598184]  ? lock_release+0xd4/0x2b0
<4>[  641.598189]  ? up_read+0x22/0x30
<4>[  641.598191]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.598195]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.598198]  ? irqentry_exit+0x77/0xb0
<4>[  641.598201]  ? clear_bhb_loop+0x15/0x70
<4>[  641.598203]  ? clear_bhb_loop+0x15/0x70
<4>[  641.598204]  ? clear_bhb_loop+0x15/0x70
<4>[  641.598207]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.598209] RIP: 0033:0x7b6f0df24ded
<4>[  641.598211] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.598213] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.598216] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.598217] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.598219] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.598220] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.598222] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.598345]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.600309]  drm_ioctl+0x2f9/0x5b0
<4>[  641.600497]  ? find_held_lock+0x31/0x90
<4>[  641.600499]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.600502]  ? lock_release+0xd4/0x2b0
<4>[  641.600506]  ? find_held_lock+0x31/0x90
<4>[  641.600508]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.600512]  ? lock_release+0xd4/0x2b0
<4>[  641.600517]  ? up_read+0x22/0x30
<4>[  641.600519]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.600523]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.600526]  ? irqentry_exit+0x77/0xb0
<4>[  641.600529]  ? clear_bhb_loop+0x15/0x70
<4>[  641.600530]  ? clear_bhb_loop+0x15/0x70
<4>[  641.600532]  ? clear_bhb_loop+0x15/0x70
<4>[  641.600535]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.600537] RIP: 0033:0x7b6f0df24ded
<4>[  641.600539] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.600541] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.600544] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.600545] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.600547] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.600548] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.600550] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.600679]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.602815]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.602830]  ? find_held_lock+0x31/0x90
<4>[  641.602835]  ? lock_release+0xd4/0x2b0
<4>[  641.602839]  ? find_held_lock+0x31/0x90
<4>[  641.602842]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.602846]  ? lock_release+0xd4/0x2b0
<4>[  641.602850]  ? up_read+0x22/0x30
<4>[  641.602853]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.602856]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.602860]  ? irqentry_exit+0x77/0xb0
<4>[  641.602862]  ? clear_bhb_loop+0x15/0x70
<4>[  641.602864]  ? clear_bhb_loop+0x15/0x70
<4>[  641.602866]  ? clear_bhb_loop+0x15/0x70
<4>[  641.602868]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.602871] RIP: 0033:0x7b6f0df24ded
<4>[  641.602873] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.602875] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.602877] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.602879] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.602880] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.602882] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.602883] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.603006]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.604963]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.605155]  ? find_held_lock+0x31/0x90
<4>[  641.605160]  ? lock_release+0xd4/0x2b0
<4>[  641.605164]  ? find_held_lock+0x31/0x90
<4>[  641.605167]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.605171]  ? lock_release+0xd4/0x2b0
<4>[  641.605175]  ? up_read+0x22/0x30
<4>[  641.605178]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.605181]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.605185]  ? irqentry_exit+0x77/0xb0
<4>[  641.605187]  ? clear_bhb_loop+0x15/0x70
<4>[  641.605189]  ? clear_bhb_loop+0x15/0x70
<4>[  641.605191]  ? clear_bhb_loop+0x15/0x70
<4>[  641.605193]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.605196] RIP: 0033:0x7b6f0df24ded
<4>[  641.605198] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.605200] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.605202] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.605204] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.605205] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.605207] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.605208] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.605224] softirqs last disabled at (262951875): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.606054]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.607480]  ? find_held_lock+0x31/0x90
<4>[  641.607485]  ? lock_release+0xd4/0x2b0
<4>[  641.607490]  ? find_held_lock+0x31/0x90
<4>[  641.607492]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.607496]  ? lock_release+0xd4/0x2b0
<4>[  641.607500]  ? up_read+0x22/0x30
<4>[  641.607503]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.607506]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.607510]  ? irqentry_exit+0x77/0xb0
<4>[  641.607512]  ? clear_bhb_loop+0x15/0x70
<4>[  641.607514]  ? clear_bhb_loop+0x15/0x70
<4>[  641.607516]  ? clear_bhb_loop+0x15/0x70
<4>[  641.607518]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.607521] RIP: 0033:0x7b6f0df24ded
<4>[  641.607523] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.607525] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.607527] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.607529] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.607530] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.607532] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.607533] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.607579] Modules linked in: vgem drm_shmem_helper snd_hda_intel i915 snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_scodec_component snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore mei_gsc prime_numbers ttm drm_display_helper cec rc_core drm_buddy drm_kms_helper i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common ee1004 intel_tcc_cooling cmdlinepart x86_pkg_temp_thermal intel_powerclamp mei_pxp spi_nor coretemp mei_hdcp mtd ppdev wmi_bmof kvm_intel intel_wmi_thunderbolt kvm polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 smsc75xx aesni_intel usbnet crypto_simd cryptd mii rapl intel_cstate i2c_i801 spi_intel_pci e1000e i2c_mux mei_me spi_intel intel_pch_thermal i2c_smbus mei idma64 parport_pc parport binfmt_misc video nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi pmt_telemetry pmt_class intel_vsec acpi_tad acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse
<4>[  641.609859] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.609862] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.609863] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.610001] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.610020] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.612141]  ? find_held_lock+0x31/0x90
<4>[  641.612143]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.612146]  ? lock_release+0xd4/0x2b0
<4>[  641.612150]  ? find_held_lock+0x31/0x90
<4>[  641.612152]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.612156]  ? lock_release+0xd4/0x2b0
<4>[  641.612161]  ? up_read+0x22/0x30
<4>[  641.612163]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.612167]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.612170]  ? irqentry_exit+0x77/0xb0
<4>[  641.612173]  ? clear_bhb_loop+0x15/0x70
<4>[  641.612174]  ? clear_bhb_loop+0x15/0x70
<4>[  641.612176]  ? clear_bhb_loop+0x15/0x70
<4>[  641.612179]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.612181] RIP: 0033:0x7b6f0df24ded
<4>[  641.612183] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.612185] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.612188] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.612189] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.612191] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.612192] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.612194] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.612318]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.614464]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.614470]  ? find_held_lock+0x31/0x90
<4>[  641.614476]  ? lock_release+0xd4/0x2b0
<4>[  641.614480]  ? find_held_lock+0x31/0x90
<4>[  641.614482]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.614486]  ? lock_release+0xd4/0x2b0
<4>[  641.614491]  ? up_read+0x22/0x30
<4>[  641.614493]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.614497]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.614500]  ? irqentry_exit+0x77/0xb0
<4>[  641.614503]  ? clear_bhb_loop+0x15/0x70
<4>[  641.614504]  ? clear_bhb_loop+0x15/0x70
<4>[  641.614506]  ? clear_bhb_loop+0x15/0x70
<4>[  641.614509]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.614511] RIP: 0033:0x7b6f0df24ded
<4>[  641.614513] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.614515] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.614518] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.614520] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.614521] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.614523] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.614524] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.614653]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.616800]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.616810]  ? find_held_lock+0x31/0x90
<4>[  641.616815]  ? lock_release+0xd4/0x2b0
<4>[  641.616819]  ? find_held_lock+0x31/0x90
<4>[  641.616821]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.616825]  ? lock_release+0xd4/0x2b0
<4>[  641.616830]  ? up_read+0x22/0x30
<4>[  641.616832]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.616836]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.616839]  ? irqentry_exit+0x77/0xb0
<4>[  641.616842]  ? clear_bhb_loop+0x15/0x70
<4>[  641.616844]  ? clear_bhb_loop+0x15/0x70
<4>[  641.616845]  ? clear_bhb_loop+0x15/0x70
<4>[  641.616848]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.616851] RIP: 0033:0x7b6f0df24ded
<4>[  641.616852] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.616854] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.616857] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.616859] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.616860] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.616862] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.616863] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.616987]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.619122]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.619137]  ? find_held_lock+0x31/0x90
<4>[  641.619142]  ? lock_release+0xd4/0x2b0
<4>[  641.619146]  ? find_held_lock+0x31/0x90
<4>[  641.619148]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.619152]  ? lock_release+0xd4/0x2b0
<4>[  641.619157]  ? up_read+0x22/0x30
<4>[  641.619159]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.619163]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.619166]  ? irqentry_exit+0x77/0xb0
<4>[  641.619169]  ? clear_bhb_loop+0x15/0x70
<4>[  641.619171]  ? clear_bhb_loop+0x15/0x70
<4>[  641.619172]  ? clear_bhb_loop+0x15/0x70
<4>[  641.619175]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.619178] RIP: 0033:0x7b6f0df24ded
<4>[  641.619180] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.619181] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.619184] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.619186] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.619187] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.619189] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.619190] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.619236] Modules linked in: vgem drm_shmem_helper snd_hda_intel i915 snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_scodec_component snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore mei_gsc prime_numbers ttm drm_display_helper cec rc_core drm_buddy drm_kms_helper i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common ee1004 intel_tcc_cooling cmdlinepart x86_pkg_temp_thermal intel_powerclamp mei_pxp spi_nor coretemp mei_hdcp mtd ppdev wmi_bmof kvm_intel intel_wmi_thunderbolt kvm polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 smsc75xx aesni_intel usbnet crypto_simd cryptd mii rapl intel_cstate i2c_i801 spi_intel_pci e1000e i2c_mux mei_me spi_intel intel_pch_thermal i2c_smbus mei idma64 parport_pc parport binfmt_misc video nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi pmt_telemetry pmt_class intel_vsec acpi_tad acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse
<4>[  641.621508] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.621511] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.621513] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.621654] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.623799]  ? find_held_lock+0x31/0x90
<4>[  641.623805]  ? lock_release+0xd4/0x2b0
<4>[  641.623809]  ? find_held_lock+0x31/0x90
<4>[  641.623811]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.623815]  ? lock_release+0xd4/0x2b0
<4>[  641.623820]  ? up_read+0x22/0x30
<4>[  641.623822]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.623826]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.623829]  ? irqentry_exit+0x77/0xb0
<4>[  641.623832]  ? clear_bhb_loop+0x15/0x70
<4>[  641.623833]  ? clear_bhb_loop+0x15/0x70
<4>[  641.623835]  ? clear_bhb_loop+0x15/0x70
<4>[  641.623838]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.623840] RIP: 0033:0x7b6f0df24ded
<4>[  641.623842] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.623844] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.623847] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.623848] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.623850] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.623851] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.623853] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.623977]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.626112]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.626127]  ? find_held_lock+0x31/0x90
<4>[  641.626132]  ? lock_release+0xd4/0x2b0
<4>[  641.626136]  ? find_held_lock+0x31/0x90
<4>[  641.626139]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.626143]  ? lock_release+0xd4/0x2b0
<4>[  641.626147]  ? up_read+0x22/0x30
<4>[  641.626150]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.626153]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.626157]  ? irqentry_exit+0x77/0xb0
<4>[  641.626159]  ? clear_bhb_loop+0x15/0x70
<4>[  641.626161]  ? clear_bhb_loop+0x15/0x70
<4>[  641.626163]  ? clear_bhb_loop+0x15/0x70
<4>[  641.626165]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.626168] RIP: 0033:0x7b6f0df24ded
<4>[  641.626170] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.626172] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.626174] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.626176] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.626177] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.626179] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.626180] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.626304]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.628117]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.628456]  ? find_held_lock+0x31/0x90
<4>[  641.628462]  ? lock_release+0xd4/0x2b0
<4>[  641.628466]  ? find_held_lock+0x31/0x90
<4>[  641.628468]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.628472]  ? lock_release+0xd4/0x2b0
<4>[  641.628477]  ? up_read+0x22/0x30
<4>[  641.628479]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.628483]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.628486]  ? irqentry_exit+0x77/0xb0
<4>[  641.628489]  ? clear_bhb_loop+0x15/0x70
<4>[  641.628491]  ? clear_bhb_loop+0x15/0x70
<4>[  641.628492]  ? clear_bhb_loop+0x15/0x70
<4>[  641.628495]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.628497] RIP: 0033:0x7b6f0df24ded
<4>[  641.628499] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.628501] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.628504] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.628505] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.628507] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.628508] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.628510] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.628640]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.630783]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.630793]  ? find_held_lock+0x31/0x90
<4>[  641.630798]  ? lock_release+0xd4/0x2b0
<4>[  641.630802]  ? find_held_lock+0x31/0x90
<4>[  641.630804]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.630808]  ? lock_release+0xd4/0x2b0
<4>[  641.630813]  ? up_read+0x22/0x30
<4>[  641.630815]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.630819]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.630822]  ? irqentry_exit+0x77/0xb0
<4>[  641.630825]  ? clear_bhb_loop+0x15/0x70
<4>[  641.630827]  ? clear_bhb_loop+0x15/0x70
<4>[  641.630828]  ? clear_bhb_loop+0x15/0x70
<4>[  641.630831]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.630834] RIP: 0033:0x7b6f0df24ded
<4>[  641.630836] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.630837] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.630840] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.630842] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.630843] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.630845] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.630846] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.630971]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.633097]  do_syscall_64+0x91/0x180
<4>[  641.633123]  ? find_held_lock+0x31/0x90
<4>[  641.633128]  ? lock_release+0xd4/0x2b0
<4>[  641.633132]  ? find_held_lock+0x31/0x90
<4>[  641.633134]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.633138]  ? lock_release+0xd4/0x2b0
<4>[  641.633143]  ? up_read+0x22/0x30
<4>[  641.633145]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.633149]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.633153]  ? irqentry_exit+0x77/0xb0
<4>[  641.633155]  ? clear_bhb_loop+0x15/0x70
<4>[  641.633157]  ? clear_bhb_loop+0x15/0x70
<4>[  641.633158]  ? clear_bhb_loop+0x15/0x70
<4>[  641.633161]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.633164] RIP: 0033:0x7b6f0df24ded
<4>[  641.633166] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.633167] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.633170] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.633172] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.633173] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.633175] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.633176] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.633194] ---[ end trace 0000000000000000 ]---
<4>[  641.633313] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.633876]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  641.635455]  ? find_held_lock+0x31/0x90
<4>[  641.635460]  ? lock_release+0xd4/0x2b0
<4>[  641.635464]  ? find_held_lock+0x31/0x90
<4>[  641.635467]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.635470]  ? lock_release+0xd4/0x2b0
<4>[  641.635476]  ? up_read+0x22/0x30
<4>[  641.635478]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.635481]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.635485]  ? irqentry_exit+0x77/0xb0
<4>[  641.635487]  ? clear_bhb_loop+0x15/0x70
<4>[  641.635489]  ? clear_bhb_loop+0x15/0x70
<4>[  641.635491]  ? clear_bhb_loop+0x15/0x70
<4>[  641.635493]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.635496] RIP: 0033:0x7b6f0df24ded
<4>[  641.635498] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.635500] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.635502] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.635504] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.635506] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.635507] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.635509] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.635637]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.637603]  drm_ioctl+0x2f9/0x5b0
<4>[  641.637790]  ? find_held_lock+0x31/0x90
<4>[  641.637792]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.637795]  ? lock_release+0xd4/0x2b0
<4>[  641.637799]  ? find_held_lock+0x31/0x90
<4>[  641.637801]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.637805]  ? lock_release+0xd4/0x2b0
<4>[  641.637810]  ? up_read+0x22/0x30
<4>[  641.637812]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.637816]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.637820]  ? irqentry_exit+0x77/0xb0
<4>[  641.637822]  ? clear_bhb_loop+0x15/0x70
<4>[  641.637824]  ? clear_bhb_loop+0x15/0x70
<4>[  641.637825]  ? clear_bhb_loop+0x15/0x70
<4>[  641.637828]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.637831] RIP: 0033:0x7b6f0df24ded
<4>[  641.637832] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.637834] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.637837] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.637839] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.637840] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.637842] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.637843] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.637966]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.640107]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.640117]  ? find_held_lock+0x31/0x90
<4>[  641.640123]  ? lock_release+0xd4/0x2b0
<4>[  641.640127]  ? find_held_lock+0x31/0x90
<4>[  641.640129]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.640133]  ? lock_release+0xd4/0x2b0
<4>[  641.640137]  ? up_read+0x22/0x30
<4>[  641.640140]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.640143]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.640147]  ? irqentry_exit+0x77/0xb0
<4>[  641.640149]  ? clear_bhb_loop+0x15/0x70
<4>[  641.640151]  ? clear_bhb_loop+0x15/0x70
<4>[  641.640153]  ? clear_bhb_loop+0x15/0x70
<4>[  641.640155]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.640158] RIP: 0033:0x7b6f0df24ded
<4>[  641.640160] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.640162] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.640164] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.640166] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.640167] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.640169] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.640170] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.640294]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.642413]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.642446]  ? find_held_lock+0x31/0x90
<4>[  641.642451]  ? lock_release+0xd4/0x2b0
<4>[  641.642456]  ? find_held_lock+0x31/0x90
<4>[  641.642458]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.642462]  ? lock_release+0xd4/0x2b0
<4>[  641.642466]  ? up_read+0x22/0x30
<4>[  641.642469]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.642472]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.642476]  ? irqentry_exit+0x77/0xb0
<4>[  641.642478]  ? clear_bhb_loop+0x15/0x70
<4>[  641.642480]  ? clear_bhb_loop+0x15/0x70
<4>[  641.642482]  ? clear_bhb_loop+0x15/0x70
<4>[  641.642484]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.642487] RIP: 0033:0x7b6f0df24ded
<4>[  641.642489] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.642491] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.642493] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.642495] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.642496] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.642498] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.642499] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.642627]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.644748]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.644781]  ? find_held_lock+0x31/0x90
<4>[  641.644783]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.644786]  ? lock_release+0xd4/0x2b0
<4>[  641.644790]  ? find_held_lock+0x31/0x90
<4>[  641.644792]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.644796]  ? lock_release+0xd4/0x2b0
<4>[  641.644801]  ? up_read+0x22/0x30
<4>[  641.644803]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.644807]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.644810]  ? irqentry_exit+0x77/0xb0
<4>[  641.644813]  ? clear_bhb_loop+0x15/0x70
<4>[  641.644815]  ? clear_bhb_loop+0x15/0x70
<4>[  641.644816]  ? clear_bhb_loop+0x15/0x70
<4>[  641.644819]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.644821] RIP: 0033:0x7b6f0df24ded
<4>[  641.644823] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.644825] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.644828] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.644829] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.644831] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.644832] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.644834] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.644958]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.647105]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.647111]  ? find_held_lock+0x31/0x90
<4>[  641.647116]  ? lock_release+0xd4/0x2b0
<4>[  641.647120]  ? find_held_lock+0x31/0x90
<4>[  641.647123]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.647127]  ? lock_release+0xd4/0x2b0
<4>[  641.647131]  ? up_read+0x22/0x30
<4>[  641.647134]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.647137]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.647141]  ? irqentry_exit+0x77/0xb0
<4>[  641.647143]  ? clear_bhb_loop+0x15/0x70
<4>[  641.647145]  ? clear_bhb_loop+0x15/0x70
<4>[  641.647147]  ? clear_bhb_loop+0x15/0x70
<4>[  641.647149]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.647152] RIP: 0033:0x7b6f0df24ded
<4>[  641.647154] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.647156] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.647158] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.647160] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.647161] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.647163] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.647164] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.647298] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.647318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.649442]  ? find_held_lock+0x31/0x90
<4>[  641.649444]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.649447]  ? lock_release+0xd4/0x2b0
<4>[  641.649451]  ? find_held_lock+0x31/0x90
<4>[  641.649454]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.649457]  ? lock_release+0xd4/0x2b0
<4>[  641.649462]  ? up_read+0x22/0x30
<4>[  641.649465]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.649468]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.649472]  ? irqentry_exit+0x77/0xb0
<4>[  641.649474]  ? clear_bhb_loop+0x15/0x70
<4>[  641.649476]  ? clear_bhb_loop+0x15/0x70
<4>[  641.649477]  ? clear_bhb_loop+0x15/0x70
<4>[  641.649480]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.649483] RIP: 0033:0x7b6f0df24ded
<4>[  641.649485] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.649486] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.649489] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.649491] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.649492] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.649494] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.649495] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.649624]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.651773]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.651779]  ? find_held_lock+0x31/0x90
<4>[  641.651784]  ? lock_release+0xd4/0x2b0
<4>[  641.651788]  ? find_held_lock+0x31/0x90
<4>[  641.651790]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.651794]  ? lock_release+0xd4/0x2b0
<4>[  641.651799]  ? up_read+0x22/0x30
<4>[  641.651801]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.651805]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.651808]  ? irqentry_exit+0x77/0xb0
<4>[  641.651811]  ? clear_bhb_loop+0x15/0x70
<4>[  641.651813]  ? clear_bhb_loop+0x15/0x70
<4>[  641.651814]  ? clear_bhb_loop+0x15/0x70
<4>[  641.651817]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.651820] RIP: 0033:0x7b6f0df24ded
<4>[  641.651821] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.651823] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.651826] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.651827] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.651829] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.651830] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.651832] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.651957]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.654106]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.654112]  ? find_held_lock+0x31/0x90
<4>[  641.654118]  ? lock_release+0xd4/0x2b0
<4>[  641.654122]  ? find_held_lock+0x31/0x90
<4>[  641.654124]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.654128]  ? lock_release+0xd4/0x2b0
<4>[  641.654132]  ? up_read+0x22/0x30
<4>[  641.654135]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.654138]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.654142]  ? irqentry_exit+0x77/0xb0
<4>[  641.654144]  ? clear_bhb_loop+0x15/0x70
<4>[  641.654146]  ? clear_bhb_loop+0x15/0x70
<4>[  641.654148]  ? clear_bhb_loop+0x15/0x70
<4>[  641.654150]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.654153] RIP: 0033:0x7b6f0df24ded
<4>[  641.654155] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.654156] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.654159] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.654161] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.654162] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.654164] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.654165] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.654297] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.656438]  ? find_held_lock+0x31/0x90
<4>[  641.656443]  ? lock_release+0xd4/0x2b0
<4>[  641.656447]  ? find_held_lock+0x31/0x90
<4>[  641.656450]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.656454]  ? lock_release+0xd4/0x2b0
<4>[  641.656458]  ? up_read+0x22/0x30
<4>[  641.656461]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.656464]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.656468]  ? irqentry_exit+0x77/0xb0
<4>[  641.656470]  ? clear_bhb_loop+0x15/0x70
<4>[  641.656472]  ? clear_bhb_loop+0x15/0x70
<4>[  641.656474]  ? clear_bhb_loop+0x15/0x70
<4>[  641.656476]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.656479] RIP: 0033:0x7b6f0df24ded
<4>[  641.656481] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.656483] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.656485] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.656487] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.656488] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.656490] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.656491] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.656620]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.658740]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.658773]  ? find_held_lock+0x31/0x90
<4>[  641.658776]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.658779]  ? lock_release+0xd4/0x2b0
<4>[  641.658783]  ? find_held_lock+0x31/0x90
<4>[  641.658785]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.658789]  ? lock_release+0xd4/0x2b0
<4>[  641.658794]  ? up_read+0x22/0x30
<4>[  641.658796]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.658800]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.658803]  ? irqentry_exit+0x77/0xb0
<4>[  641.658806]  ? clear_bhb_loop+0x15/0x70
<4>[  641.658808]  ? clear_bhb_loop+0x15/0x70
<4>[  641.658809]  ? clear_bhb_loop+0x15/0x70
<4>[  641.658812]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.658815] RIP: 0033:0x7b6f0df24ded
<4>[  641.658816] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.658818] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.658821] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.658823] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.658824] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.658826] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.658828] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.658952]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.661107]  ? find_held_lock+0x31/0x90
<4>[  641.661110]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.661113]  ? lock_release+0xd4/0x2b0
<4>[  641.661117]  ? find_held_lock+0x31/0x90
<4>[  641.661119]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.661123]  ? lock_release+0xd4/0x2b0
<4>[  641.661127]  ? up_read+0x22/0x30
<4>[  641.661130]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.661133]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.661137]  ? irqentry_exit+0x77/0xb0
<4>[  641.661139]  ? clear_bhb_loop+0x15/0x70
<4>[  641.661141]  ? clear_bhb_loop+0x15/0x70
<4>[  641.661143]  ? clear_bhb_loop+0x15/0x70
<4>[  641.661145]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.661148] RIP: 0033:0x7b6f0df24ded
<4>[  641.661150] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.661152] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.661154] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.661156] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.661157] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.661159] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.661160] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.661284]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.663422]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.663437]  ? find_held_lock+0x31/0x90
<4>[  641.663440]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.663442]  ? lock_release+0xd4/0x2b0
<4>[  641.663447]  ? find_held_lock+0x31/0x90
<4>[  641.663449]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.663453]  ? lock_release+0xd4/0x2b0
<4>[  641.663458]  ? up_read+0x22/0x30
<4>[  641.663460]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.663464]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.663467]  ? irqentry_exit+0x77/0xb0
<4>[  641.663469]  ? clear_bhb_loop+0x15/0x70
<4>[  641.663471]  ? clear_bhb_loop+0x15/0x70
<4>[  641.663473]  ? clear_bhb_loop+0x15/0x70
<4>[  641.663475]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.663478] RIP: 0033:0x7b6f0df24ded
<4>[  641.663480] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.663482] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.663485] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.663486] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.663488] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.663489] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.663491] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.663632] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.664490]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  641.665777]  ? find_held_lock+0x31/0x90
<4>[  641.665780]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.665783]  ? lock_release+0xd4/0x2b0
<4>[  641.665787]  ? find_held_lock+0x31/0x90
<4>[  641.665789]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.665793]  ? lock_release+0xd4/0x2b0
<4>[  641.665798]  ? up_read+0x22/0x30
<4>[  641.665800]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.665804]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.665807]  ? irqentry_exit+0x77/0xb0
<4>[  641.665810]  ? clear_bhb_loop+0x15/0x70
<4>[  641.665812]  ? clear_bhb_loop+0x15/0x70
<4>[  641.665813]  ? clear_bhb_loop+0x15/0x70
<4>[  641.665816]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.665818] RIP: 0033:0x7b6f0df24ded
<4>[  641.665820] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.665822] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.665825] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.665826] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.665828] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.665830] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.665831] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.665956]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.668103]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.668109]  ? find_held_lock+0x31/0x90
<4>[  641.668111]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.668114]  ? lock_release+0xd4/0x2b0
<4>[  641.668118]  ? find_held_lock+0x31/0x90
<4>[  641.668121]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.668125]  ? lock_release+0xd4/0x2b0
<4>[  641.668129]  ? up_read+0x22/0x30
<4>[  641.668132]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.668135]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.668139]  ? irqentry_exit+0x77/0xb0
<4>[  641.668141]  ? clear_bhb_loop+0x15/0x70
<4>[  641.668143]  ? clear_bhb_loop+0x15/0x70
<4>[  641.668145]  ? clear_bhb_loop+0x15/0x70
<4>[  641.668147]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.668150] RIP: 0033:0x7b6f0df24ded
<4>[  641.668152] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.668154] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.668156] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.668158] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.668159] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.668161] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.668174] hardirqs last disabled at (263024128): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.668368]  __iommu_map+0x11e/0x2d0
<4>[  641.670418]  do_syscall_64+0x91/0x180
<4>[  641.670445]  ? find_held_lock+0x31/0x90
<4>[  641.670447]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.670450]  ? lock_release+0xd4/0x2b0
<4>[  641.670454]  ? find_held_lock+0x31/0x90
<4>[  641.670457]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.670461]  ? lock_release+0xd4/0x2b0
<4>[  641.670465]  ? up_read+0x22/0x30
<4>[  641.670468]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.670471]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.670475]  ? irqentry_exit+0x77/0xb0
<4>[  641.670477]  ? clear_bhb_loop+0x15/0x70
<4>[  641.670479]  ? clear_bhb_loop+0x15/0x70
<4>[  641.670481]  ? clear_bhb_loop+0x15/0x70
<4>[  641.670483]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.670486] RIP: 0033:0x7b6f0df24ded
<4>[  641.670488] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.670490] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.670492] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.670494] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.670496] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.670497] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.670499] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.670643] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.670724]  iommu_dma_map_sg+0x43b/0x520
<4>[  641.672771]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.672786]  ? find_held_lock+0x31/0x90
<4>[  641.672789]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.672791]  ? lock_release+0xd4/0x2b0
<4>[  641.672795]  ? find_held_lock+0x31/0x90
<4>[  641.672798]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.672802]  ? lock_release+0xd4/0x2b0
<4>[  641.672806]  ? up_read+0x22/0x30
<4>[  641.672809]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.672812]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.672816]  ? irqentry_exit+0x77/0xb0
<4>[  641.672818]  ? clear_bhb_loop+0x15/0x70
<4>[  641.672820]  ? clear_bhb_loop+0x15/0x70
<4>[  641.672822]  ? clear_bhb_loop+0x15/0x70
<4>[  641.672824]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.672827] RIP: 0033:0x7b6f0df24ded
<4>[  641.672829] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.672831] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.672833] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.672835] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.672836] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.672838] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.672839] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.672982] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.674601]  ? find_held_lock+0x31/0x90
<4>[  641.675110]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.675119]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.675121]  ? lock_release+0xd4/0x2b0
<4>[  641.675125]  ? find_held_lock+0x31/0x90
<4>[  641.675128]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.675132]  ? lock_release+0xd4/0x2b0
<4>[  641.675136]  ? up_read+0x22/0x30
<4>[  641.675139]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.675142]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.675146]  ? irqentry_exit+0x77/0xb0
<4>[  641.675148]  ? clear_bhb_loop+0x15/0x70
<4>[  641.675150]  ? clear_bhb_loop+0x15/0x70
<4>[  641.675152]  ? clear_bhb_loop+0x15/0x70
<4>[  641.675154]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.675157] RIP: 0033:0x7b6f0df24ded
<4>[  641.675159] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.675161] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.675163] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.675165] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.675166] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.675168] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.675169] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.675303] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.675322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.677443]  ? do_syscall_64+0x9d/0x180
<4>[  641.677445]  ? find_held_lock+0x31/0x90
<4>[  641.677448]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.677451]  ? lock_release+0xd4/0x2b0
<4>[  641.677455]  ? find_held_lock+0x31/0x90
<4>[  641.677457]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.677461]  ? lock_release+0xd4/0x2b0
<4>[  641.677466]  ? up_read+0x22/0x30
<4>[  641.677468]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.677472]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.677475]  ? irqentry_exit+0x77/0xb0
<4>[  641.677478]  ? clear_bhb_loop+0x15/0x70
<4>[  641.677479]  ? clear_bhb_loop+0x15/0x70
<4>[  641.677481]  ? clear_bhb_loop+0x15/0x70
<4>[  641.677484]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.677486] RIP: 0033:0x7b6f0df24ded
<4>[  641.677488] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.677490] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.677493] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.677494] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.677496] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.677497] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.677506]  </TASK>
<4>[  641.677515] softirqs last disabled at (263017099): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.678822]  eb_validate_vmas+0x332/0xce0 [i915]
<4>[  641.679783]  ? find_held_lock+0x31/0x90
<4>[  641.679786]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.679789]  ? lock_release+0xd4/0x2b0
<4>[  641.679793]  ? find_held_lock+0x31/0x90
<4>[  641.679795]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.679799]  ? lock_release+0xd4/0x2b0
<4>[  641.679804]  ? up_read+0x22/0x30
<4>[  641.679806]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.679810]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.679813]  ? irqentry_exit+0x77/0xb0
<4>[  641.679816]  ? clear_bhb_loop+0x15/0x70
<4>[  641.679817]  ? clear_bhb_loop+0x15/0x70
<4>[  641.679819]  ? clear_bhb_loop+0x15/0x70
<4>[  641.679822]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.679824] RIP: 0033:0x7b6f0df24ded
<4>[  641.679826] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.679828] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.679831] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.679832] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.679834] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.679835] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.679837] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.679961]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.682101]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.682111]  ? find_held_lock+0x31/0x90
<4>[  641.682113]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.682116]  ? lock_release+0xd4/0x2b0
<4>[  641.682120]  ? find_held_lock+0x31/0x90
<4>[  641.682123]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.682127]  ? lock_release+0xd4/0x2b0
<4>[  641.682131]  ? up_read+0x22/0x30
<4>[  641.682134]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.682137]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.682141]  ? irqentry_exit+0x77/0xb0
<4>[  641.682143]  ? clear_bhb_loop+0x15/0x70
<4>[  641.682145]  ? clear_bhb_loop+0x15/0x70
<4>[  641.682147]  ? clear_bhb_loop+0x15/0x70
<4>[  641.682149]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.682152] RIP: 0033:0x7b6f0df24ded
<4>[  641.682154] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.682155] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.682158] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.682160] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.682161] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.682163] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.682164] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.682306] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.683924]  ? find_held_lock+0x31/0x90
<4>[  641.684437]  ? do_syscall_64+0x9d/0x180
<4>[  641.684439]  ? find_held_lock+0x31/0x90
<4>[  641.684442]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.684444]  ? lock_release+0xd4/0x2b0
<4>[  641.684448]  ? find_held_lock+0x31/0x90
<4>[  641.684451]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.684455]  ? lock_release+0xd4/0x2b0
<4>[  641.684459]  ? up_read+0x22/0x30
<4>[  641.684462]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.684465]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.684469]  ? irqentry_exit+0x77/0xb0
<4>[  641.684471]  ? clear_bhb_loop+0x15/0x70
<4>[  641.684473]  ? clear_bhb_loop+0x15/0x70
<4>[  641.684475]  ? clear_bhb_loop+0x15/0x70
<4>[  641.684477]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.684480] RIP: 0033:0x7b6f0df24ded
<4>[  641.684482] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.684484] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.684486] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.684488] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.684489] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.684491] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.684500] irq event stamp: 263031989
<4>[  641.684621]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.686749]  do_syscall_64+0x91/0x180
<4>[  641.686775]  ? find_held_lock+0x31/0x90
<4>[  641.686778]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.686781]  ? lock_release+0xd4/0x2b0
<4>[  641.686785]  ? find_held_lock+0x31/0x90
<4>[  641.686787]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.686791]  ? lock_release+0xd4/0x2b0
<4>[  641.686795]  ? up_read+0x22/0x30
<4>[  641.686798]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.686801]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.686805]  ? irqentry_exit+0x77/0xb0
<4>[  641.686807]  ? clear_bhb_loop+0x15/0x70
<4>[  641.686809]  ? clear_bhb_loop+0x15/0x70
<4>[  641.686811]  ? clear_bhb_loop+0x15/0x70
<4>[  641.686814]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.686816] RIP: 0033:0x7b6f0df24ded
<4>[  641.686818] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.686820] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.686823] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.686824] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.686826] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.686827] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.686829] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.686962] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.686982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.689106]  ? find_held_lock+0x31/0x90
<4>[  641.689108]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.689111]  ? lock_release+0xd4/0x2b0
<4>[  641.689115]  ? find_held_lock+0x31/0x90
<4>[  641.689118]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.689122]  ? lock_release+0xd4/0x2b0
<4>[  641.689126]  ? up_read+0x22/0x30
<4>[  641.689129]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.689132]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.689136]  ? irqentry_exit+0x77/0xb0
<4>[  641.689138]  ? clear_bhb_loop+0x15/0x70
<4>[  641.689140]  ? clear_bhb_loop+0x15/0x70
<4>[  641.689142]  ? clear_bhb_loop+0x15/0x70
<4>[  641.689144]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.689147] RIP: 0033:0x7b6f0df24ded
<4>[  641.689149] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.689151] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.689153] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.689155] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.689156] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.689158] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.689159] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.689283]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.691424]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.691434]  ? find_held_lock+0x31/0x90
<4>[  641.691436]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.691439]  ? lock_release+0xd4/0x2b0
<4>[  641.691443]  ? find_held_lock+0x31/0x90
<4>[  641.691446]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.691449]  ? lock_release+0xd4/0x2b0
<4>[  641.691454]  ? up_read+0x22/0x30
<4>[  641.691456]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.691460]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.691463]  ? irqentry_exit+0x77/0xb0
<4>[  641.691466]  ? clear_bhb_loop+0x15/0x70
<4>[  641.691468]  ? clear_bhb_loop+0x15/0x70
<4>[  641.691469]  ? clear_bhb_loop+0x15/0x70
<4>[  641.691472]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.691474] RIP: 0033:0x7b6f0df24ded
<4>[  641.691476] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.691478] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.691481] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.691483] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.691484] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.691486] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.691487] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.691633] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.693424]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.693768]  ? find_held_lock+0x31/0x90
<4>[  641.693770]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.693773]  ? lock_release+0xd4/0x2b0
<4>[  641.693777]  ? find_held_lock+0x31/0x90
<4>[  641.693780]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.693784]  ? lock_release+0xd4/0x2b0
<4>[  641.693788]  ? up_read+0x22/0x30
<4>[  641.693791]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.693794]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.693798]  ? irqentry_exit+0x77/0xb0
<4>[  641.693800]  ? clear_bhb_loop+0x15/0x70
<4>[  641.693802]  ? clear_bhb_loop+0x15/0x70
<4>[  641.693804]  ? clear_bhb_loop+0x15/0x70
<4>[  641.693807]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.693809] RIP: 0033:0x7b6f0df24ded
<4>[  641.693811] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.693813] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.693816] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.693818] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.693819] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.693821] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.693822] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.693964] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.695578]  ? find_held_lock+0x31/0x90
<4>[  641.696096]  ? do_syscall_64+0x9d/0x180
<4>[  641.696098]  ? find_held_lock+0x31/0x90
<4>[  641.696101]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.696104]  ? lock_release+0xd4/0x2b0
<4>[  641.696108]  ? find_held_lock+0x31/0x90
<4>[  641.696110]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.696114]  ? lock_release+0xd4/0x2b0
<4>[  641.696119]  ? up_read+0x22/0x30
<4>[  641.696121]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.696125]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.696128]  ? irqentry_exit+0x77/0xb0
<4>[  641.696130]  ? clear_bhb_loop+0x15/0x70
<4>[  641.696132]  ? clear_bhb_loop+0x15/0x70
<4>[  641.696134]  ? clear_bhb_loop+0x15/0x70
<4>[  641.696136]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.696139] RIP: 0033:0x7b6f0df24ded
<4>[  641.696141] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.696143] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.696146] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.696147] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.696149] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.696150] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.696159]  </TASK>
<4>[  641.696166] softirqs last  enabled at (263017104): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.696691]  i915_ttm_get_pages+0x121/0x180 [i915]
<4>[  641.698428]  ? find_held_lock+0x31/0x90
<4>[  641.698430]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.698433]  ? lock_release+0xd4/0x2b0
<4>[  641.698437]  ? find_held_lock+0x31/0x90
<4>[  641.698439]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.698443]  ? lock_release+0xd4/0x2b0
<4>[  641.698448]  ? up_read+0x22/0x30
<4>[  641.698450]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.698454]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.698457]  ? irqentry_exit+0x77/0xb0
<4>[  641.698460]  ? clear_bhb_loop+0x15/0x70
<4>[  641.698462]  ? clear_bhb_loop+0x15/0x70
<4>[  641.698463]  ? clear_bhb_loop+0x15/0x70
<4>[  641.698466]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.698468] RIP: 0033:0x7b6f0df24ded
<4>[  641.698470] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.698472] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.698475] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.698477] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.698478] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.698480] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.698481] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.698610]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.700751]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.700766]  ? find_held_lock+0x31/0x90
<4>[  641.700769]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.700772]  ? lock_release+0xd4/0x2b0
<4>[  641.700776]  ? find_held_lock+0x31/0x90
<4>[  641.700778]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.700782]  ? lock_release+0xd4/0x2b0
<4>[  641.700787]  ? up_read+0x22/0x30
<4>[  641.700789]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.700793]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.700796]  ? irqentry_exit+0x77/0xb0
<4>[  641.700799]  ? clear_bhb_loop+0x15/0x70
<4>[  641.700801]  ? clear_bhb_loop+0x15/0x70
<4>[  641.700802]  ? clear_bhb_loop+0x15/0x70
<4>[  641.700805]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.700808] RIP: 0033:0x7b6f0df24ded
<4>[  641.700810] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.700811] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.700814] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.700816] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.700817] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.700819] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.700821] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.700958] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.701515]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  641.703096]  ? find_held_lock+0x31/0x90
<4>[  641.703099]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.703102]  ? lock_release+0xd4/0x2b0
<4>[  641.703106]  ? find_held_lock+0x31/0x90
<4>[  641.703108]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.703112]  ? lock_release+0xd4/0x2b0
<4>[  641.703117]  ? up_read+0x22/0x30
<4>[  641.703119]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.703123]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.703126]  ? irqentry_exit+0x77/0xb0
<4>[  641.703129]  ? clear_bhb_loop+0x15/0x70
<4>[  641.703130]  ? clear_bhb_loop+0x15/0x70
<4>[  641.703132]  ? clear_bhb_loop+0x15/0x70
<4>[  641.703135]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.703137] RIP: 0033:0x7b6f0df24ded
<4>[  641.703139] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.703141] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.703143] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.703145] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.703147] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.703148] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.703150] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.703287] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.703532]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.705426]  ? find_held_lock+0x31/0x90
<4>[  641.705429]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.705432]  ? lock_release+0xd4/0x2b0
<4>[  641.705436]  ? find_held_lock+0x31/0x90
<4>[  641.705438]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.705442]  ? lock_release+0xd4/0x2b0
<4>[  641.705447]  ? up_read+0x22/0x30
<4>[  641.705449]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.705453]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.705456]  ? irqentry_exit+0x77/0xb0
<4>[  641.705459]  ? clear_bhb_loop+0x15/0x70
<4>[  641.705460]  ? clear_bhb_loop+0x15/0x70
<4>[  641.705462]  ? clear_bhb_loop+0x15/0x70
<4>[  641.705465]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.705467] RIP: 0033:0x7b6f0df24ded
<4>[  641.705469] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.705471] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.705474] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.705475] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.705477] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.705478] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.705480] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.705616] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.707763]  ? find_held_lock+0x31/0x90
<4>[  641.707766]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.707769]  ? lock_release+0xd4/0x2b0
<4>[  641.707773]  ? find_held_lock+0x31/0x90
<4>[  641.707775]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.707779]  ? lock_release+0xd4/0x2b0
<4>[  641.707784]  ? up_read+0x22/0x30
<4>[  641.707786]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.707790]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.707793]  ? irqentry_exit+0x77/0xb0
<4>[  641.707796]  ? clear_bhb_loop+0x15/0x70
<4>[  641.707798]  ? clear_bhb_loop+0x15/0x70
<4>[  641.707800]  ? clear_bhb_loop+0x15/0x70
<4>[  641.707802]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.707805] RIP: 0033:0x7b6f0df24ded
<4>[  641.707807] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.707809] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.707811] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.707813] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.707815] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.707816] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.707818] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.707960] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.709572]  ? find_held_lock+0x31/0x90
<4>[  641.710088]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.710094]  ? find_held_lock+0x31/0x90
<4>[  641.710096]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.710099]  ? lock_release+0xd4/0x2b0
<4>[  641.710103]  ? find_held_lock+0x31/0x90
<4>[  641.710106]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.710110]  ? lock_release+0xd4/0x2b0
<4>[  641.710114]  ? up_read+0x22/0x30
<4>[  641.710117]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.710120]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.710124]  ? irqentry_exit+0x77/0xb0
<4>[  641.710126]  ? clear_bhb_loop+0x15/0x70
<4>[  641.710128]  ? clear_bhb_loop+0x15/0x70
<4>[  641.710130]  ? clear_bhb_loop+0x15/0x70
<4>[  641.710132]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.710135] RIP: 0033:0x7b6f0df24ded
<4>[  641.710137] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.710139] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.710141] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.710143] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.710144] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.710146] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.710159] hardirqs last disabled at (263044372): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.710341]  ? intel_iommu_map_pages+0x664/0x820
<4>[  641.712418]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.712424]  ? find_held_lock+0x31/0x90
<4>[  641.712427]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.712430]  ? lock_release+0xd4/0x2b0
<4>[  641.712434]  ? find_held_lock+0x31/0x90
<4>[  641.712436]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.712440]  ? lock_release+0xd4/0x2b0
<4>[  641.712445]  ? up_read+0x22/0x30
<4>[  641.712447]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.712451]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.712454]  ? irqentry_exit+0x77/0xb0
<4>[  641.712457]  ? clear_bhb_loop+0x15/0x70
<4>[  641.712458]  ? clear_bhb_loop+0x15/0x70
<4>[  641.712460]  ? clear_bhb_loop+0x15/0x70
<4>[  641.712463]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.712465] RIP: 0033:0x7b6f0df24ded
<4>[  641.712467] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.712469] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.712471] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.712473] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.712475] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.712476] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.712489] hardirqs last disabled at (263045496): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.712866]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.714761]  ? find_held_lock+0x31/0x90
<4>[  641.714764]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.714767]  ? lock_release+0xd4/0x2b0
<4>[  641.714771]  ? find_held_lock+0x31/0x90
<4>[  641.714773]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.714777]  ? lock_release+0xd4/0x2b0
<4>[  641.714782]  ? up_read+0x22/0x30
<4>[  641.714784]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.714788]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.714791]  ? irqentry_exit+0x77/0xb0
<4>[  641.714794]  ? clear_bhb_loop+0x15/0x70
<4>[  641.714795]  ? clear_bhb_loop+0x15/0x70
<4>[  641.714797]  ? clear_bhb_loop+0x15/0x70
<4>[  641.714800]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.714803] RIP: 0033:0x7b6f0df24ded
<4>[  641.714805] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.714806] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.714809] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.714811] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.714812] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.714814] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.714816] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.714940]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.717085]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.717091]  ? find_held_lock+0x31/0x90
<4>[  641.717094]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.717097]  ? lock_release+0xd4/0x2b0
<4>[  641.717101]  ? find_held_lock+0x31/0x90
<4>[  641.717103]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.717107]  ? lock_release+0xd4/0x2b0
<4>[  641.717112]  ? up_read+0x22/0x30
<4>[  641.717114]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.717118]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.717121]  ? irqentry_exit+0x77/0xb0
<4>[  641.717123]  ? clear_bhb_loop+0x15/0x70
<4>[  641.717125]  ? clear_bhb_loop+0x15/0x70
<4>[  641.717127]  ? clear_bhb_loop+0x15/0x70
<4>[  641.717129]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.717132] RIP: 0033:0x7b6f0df24ded
<4>[  641.717134] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.717136] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.717138] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.717140] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.717141] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.717143] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.717156] hardirqs last disabled at (263047746): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.717337]  ? intel_iommu_map_pages+0x664/0x820
<4>[  641.719413]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.719419]  ? find_held_lock+0x31/0x90
<4>[  641.719421]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.719424]  ? lock_release+0xd4/0x2b0
<4>[  641.719428]  ? find_held_lock+0x31/0x90
<4>[  641.719430]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.719434]  ? lock_release+0xd4/0x2b0
<4>[  641.719439]  ? up_read+0x22/0x30
<4>[  641.719441]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.719445]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.719448]  ? irqentry_exit+0x77/0xb0
<4>[  641.719451]  ? clear_bhb_loop+0x15/0x70
<4>[  641.719453]  ? clear_bhb_loop+0x15/0x70
<4>[  641.719454]  ? clear_bhb_loop+0x15/0x70
<4>[  641.719457]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.719460] RIP: 0033:0x7b6f0df24ded
<4>[  641.719462] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.719463] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.719466] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.719468] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.719469] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.719471] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.719484] hardirqs last disabled at (263048870): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.720471]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  641.721759]  ? find_held_lock+0x31/0x90
<4>[  641.721761]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.721764]  ? lock_release+0xd4/0x2b0
<4>[  641.721768]  ? find_held_lock+0x31/0x90
<4>[  641.721771]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.721775]  ? lock_release+0xd4/0x2b0
<4>[  641.721779]  ? up_read+0x22/0x30
<4>[  641.721782]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.721785]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.721789]  ? irqentry_exit+0x77/0xb0
<4>[  641.721791]  ? clear_bhb_loop+0x15/0x70
<4>[  641.721793]  ? clear_bhb_loop+0x15/0x70
<4>[  641.721795]  ? clear_bhb_loop+0x15/0x70
<4>[  641.721797]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.721800] RIP: 0033:0x7b6f0df24ded
<4>[  641.721802] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.721804] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.721807] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.721809] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.721810] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.721812] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.721813] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.721938]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.724079]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.724089]  ? find_held_lock+0x31/0x90
<4>[  641.724091]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.724094]  ? lock_release+0xd4/0x2b0
<4>[  641.724098]  ? find_held_lock+0x31/0x90
<4>[  641.724100]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.724104]  ? lock_release+0xd4/0x2b0
<4>[  641.724109]  ? up_read+0x22/0x30
<4>[  641.724111]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.724115]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.724118]  ? irqentry_exit+0x77/0xb0
<4>[  641.724121]  ? clear_bhb_loop+0x15/0x70
<4>[  641.724123]  ? clear_bhb_loop+0x15/0x70
<4>[  641.724124]  ? clear_bhb_loop+0x15/0x70
<4>[  641.724127]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.724130] RIP: 0033:0x7b6f0df24ded
<4>[  641.724132] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.724133] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.724136] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.724138] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.724139] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.724140] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.724142] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.724283] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.726078]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.726418]  ? find_held_lock+0x31/0x90
<4>[  641.726420]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.726423]  ? lock_release+0xd4/0x2b0
<4>[  641.726427]  ? find_held_lock+0x31/0x90
<4>[  641.726430]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.726433]  ? lock_release+0xd4/0x2b0
<4>[  641.726438]  ? up_read+0x22/0x30
<4>[  641.726441]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.726444]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.726448]  ? irqentry_exit+0x77/0xb0
<4>[  641.726450]  ? clear_bhb_loop+0x15/0x70
<4>[  641.726452]  ? clear_bhb_loop+0x15/0x70
<4>[  641.726454]  ? clear_bhb_loop+0x15/0x70
<4>[  641.726456]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.726459] RIP: 0033:0x7b6f0df24ded
<4>[  641.726461] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.726463] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.726465] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.726467] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.726468] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.726470] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.726471] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.726621] RDX: 0000000000000000 RSI: 0000000003d17413 RDI: 0000000000000000
<4>[  641.728745]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.728751]  ? find_held_lock+0x31/0x90
<4>[  641.728754]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.728757]  ? lock_release+0xd4/0x2b0
<4>[  641.728761]  ? find_held_lock+0x31/0x90
<4>[  641.728763]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.728767]  ? lock_release+0xd4/0x2b0
<4>[  641.728772]  ? up_read+0x22/0x30
<4>[  641.728774]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.728778]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.728781]  ? irqentry_exit+0x77/0xb0
<4>[  641.728784]  ? clear_bhb_loop+0x15/0x70
<4>[  641.728785]  ? clear_bhb_loop+0x15/0x70
<4>[  641.728787]  ? clear_bhb_loop+0x15/0x70
<4>[  641.728790]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.728793] RIP: 0033:0x7b6f0df24ded
<4>[  641.728794] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.728796] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.728799] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.728801] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.728802] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.728804] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.728818] hardirqs last disabled at (263053370): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.728999]  ? intel_iommu_map_pages+0x664/0x820
<4>[  641.731075]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.731081]  ? find_held_lock+0x31/0x90
<4>[  641.731083]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.731086]  ? lock_release+0xd4/0x2b0
<4>[  641.731090]  ? find_held_lock+0x31/0x90
<4>[  641.731092]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.731096]  ? lock_release+0xd4/0x2b0
<4>[  641.731101]  ? up_read+0x22/0x30
<4>[  641.731103]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.731107]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.731110]  ? irqentry_exit+0x77/0xb0
<4>[  641.731113]  ? clear_bhb_loop+0x15/0x70
<4>[  641.731115]  ? clear_bhb_loop+0x15/0x70
<4>[  641.731116]  ? clear_bhb_loop+0x15/0x70
<4>[  641.731119]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.731121] RIP: 0033:0x7b6f0df24ded
<4>[  641.731123] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.731125] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.731128] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.731129] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.731131] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.731132] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.731146] hardirqs last disabled at (263054494): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.731328]  ? intel_iommu_map_pages+0x664/0x820
<4>[  641.733404]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.733410]  ? find_held_lock+0x31/0x90
<4>[  641.733413]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.733416]  ? lock_release+0xd4/0x2b0
<4>[  641.733420]  ? find_held_lock+0x31/0x90
<4>[  641.733422]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.733426]  ? lock_release+0xd4/0x2b0
<4>[  641.733431]  ? up_read+0x22/0x30
<4>[  641.733433]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.733437]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.733440]  ? irqentry_exit+0x77/0xb0
<4>[  641.733443]  ? clear_bhb_loop+0x15/0x70
<4>[  641.733444]  ? clear_bhb_loop+0x15/0x70
<4>[  641.733446]  ? clear_bhb_loop+0x15/0x70
<4>[  641.733449]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.733451] RIP: 0033:0x7b6f0df24ded
<4>[  641.733453] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.733455] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.733458] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.733459] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.733461] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.733462] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.733478] softirqs last  enabled at (263017104): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.734784]  eb_validate_vmas+0x332/0xce0 [i915]
<4>[  641.735745]  ? find_held_lock+0x31/0x90
<4>[  641.735748]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.735751]  ? lock_release+0xd4/0x2b0
<4>[  641.735755]  ? find_held_lock+0x31/0x90
<4>[  641.735757]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.735761]  ? lock_release+0xd4/0x2b0
<4>[  641.735766]  ? up_read+0x22/0x30
<4>[  641.735768]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.735772]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.735775]  ? irqentry_exit+0x77/0xb0
<4>[  641.735778]  ? clear_bhb_loop+0x15/0x70
<4>[  641.735780]  ? clear_bhb_loop+0x15/0x70
<4>[  641.735782]  ? clear_bhb_loop+0x15/0x70
<4>[  641.735784]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.735787] RIP: 0033:0x7b6f0df24ded
<4>[  641.735789] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.735791] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.735793] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.735795] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.735797] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.735798] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.735800] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.735924]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.738059]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.738074]  ? find_held_lock+0x31/0x90
<4>[  641.738076]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.738079]  ? lock_release+0xd4/0x2b0
<4>[  641.738083]  ? find_held_lock+0x31/0x90
<4>[  641.738085]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.738089]  ? lock_release+0xd4/0x2b0
<4>[  641.738094]  ? up_read+0x22/0x30
<4>[  641.738096]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.738100]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.738103]  ? irqentry_exit+0x77/0xb0
<4>[  641.738106]  ? clear_bhb_loop+0x15/0x70
<4>[  641.738108]  ? clear_bhb_loop+0x15/0x70
<4>[  641.738109]  ? clear_bhb_loop+0x15/0x70
<4>[  641.738112]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.738115] RIP: 0033:0x7b6f0df24ded
<4>[  641.738117] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.738118] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.738121] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.738123] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.738124] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.738126] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.738127] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.738263] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.738974]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.740403]  ? find_held_lock+0x31/0x90
<4>[  641.740405]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.740408]  ? lock_release+0xd4/0x2b0
<4>[  641.740412]  ? find_held_lock+0x31/0x90
<4>[  641.740415]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.740419]  ? lock_release+0xd4/0x2b0
<4>[  641.740423]  ? up_read+0x22/0x30
<4>[  641.740426]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.740429]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.740433]  ? irqentry_exit+0x77/0xb0
<4>[  641.740435]  ? clear_bhb_loop+0x15/0x70
<4>[  641.740437]  ? clear_bhb_loop+0x15/0x70
<4>[  641.740439]  ? clear_bhb_loop+0x15/0x70
<4>[  641.740441]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.740444] RIP: 0033:0x7b6f0df24ded
<4>[  641.740446] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.740448] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.740450] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.740452] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.740453] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.740455] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.740456] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.740595] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.740619] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  641.742739]  ? find_held_lock+0x31/0x90
<4>[  641.742741]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.742744]  ? lock_release+0xd4/0x2b0
<4>[  641.742748]  ? find_held_lock+0x31/0x90
<4>[  641.742751]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.742755]  ? lock_release+0xd4/0x2b0
<4>[  641.742759]  ? up_read+0x22/0x30
<4>[  641.742762]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.742765]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.742769]  ? irqentry_exit+0x77/0xb0
<4>[  641.742771]  ? clear_bhb_loop+0x15/0x70
<4>[  641.742773]  ? clear_bhb_loop+0x15/0x70
<4>[  641.742775]  ? clear_bhb_loop+0x15/0x70
<4>[  641.742778]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.742780] RIP: 0033:0x7b6f0df24ded
<4>[  641.742782] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.742784] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.742787] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.742788] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.742790] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.742791] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.742793] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.742930] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.743327]  i915_ttm_get_pages+0x121/0x180 [i915]
<4>[  641.745070]  ? find_held_lock+0x31/0x90
<4>[  641.745072]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.745075]  ? lock_release+0xd4/0x2b0
<4>[  641.745079]  ? find_held_lock+0x31/0x90
<4>[  641.745082]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.745086]  ? lock_release+0xd4/0x2b0
<4>[  641.745090]  ? up_read+0x22/0x30
<4>[  641.745093]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.745096]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.745100]  ? irqentry_exit+0x77/0xb0
<4>[  641.745102]  ? clear_bhb_loop+0x15/0x70
<4>[  641.745104]  ? clear_bhb_loop+0x15/0x70
<4>[  641.745106]  ? clear_bhb_loop+0x15/0x70
<4>[  641.745108]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.745111] RIP: 0033:0x7b6f0df24ded
<4>[  641.745113] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.745114] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.745117] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.745119] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.745120] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.745122] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.745123] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.745247]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.747389]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.747398]  ? find_held_lock+0x31/0x90
<4>[  641.747401]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.747404]  ? lock_release+0xd4/0x2b0
<4>[  641.747408]  ? find_held_lock+0x31/0x90
<4>[  641.747410]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.747414]  ? lock_release+0xd4/0x2b0
<4>[  641.747419]  ? up_read+0x22/0x30
<4>[  641.747421]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.747425]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.747428]  ? irqentry_exit+0x77/0xb0
<4>[  641.747431]  ? clear_bhb_loop+0x15/0x70
<4>[  641.747433]  ? clear_bhb_loop+0x15/0x70
<4>[  641.747434]  ? clear_bhb_loop+0x15/0x70
<4>[  641.747437]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.747440] RIP: 0033:0x7b6f0df24ded
<4>[  641.747442] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.747443] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.747446] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.747448] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.747449] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.747451] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.747452] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.747602] RAX: 0000000000000000 RBX: ffff88813ef780e0 RCX: 0000000000000000
<4>[  641.749730]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.749736]  ? find_held_lock+0x31/0x90
<4>[  641.749739]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.749742]  ? lock_release+0xd4/0x2b0
<4>[  641.749746]  ? find_held_lock+0x31/0x90
<4>[  641.749748]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.749752]  ? lock_release+0xd4/0x2b0
<4>[  641.749757]  ? up_read+0x22/0x30
<4>[  641.749759]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.749763]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.749766]  ? irqentry_exit+0x77/0xb0
<4>[  641.749769]  ? clear_bhb_loop+0x15/0x70
<4>[  641.749771]  ? clear_bhb_loop+0x15/0x70
<4>[  641.749772]  ? clear_bhb_loop+0x15/0x70
<4>[  641.749775]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.749778] RIP: 0033:0x7b6f0df24ded
<4>[  641.749779] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.749781] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.749784] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.749786] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.749788] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.749789] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.749800] hardirqs last  enabled at (263063487): [<ffffffff814a5d09>] __up_console_sem+0x79/0xa0
<4>[  641.749985]  ? intel_iommu_map_pages+0x664/0x820
<4>[  641.752069]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.752075]  ? find_held_lock+0x31/0x90
<4>[  641.752077]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.752080]  ? lock_release+0xd4/0x2b0
<4>[  641.752084]  ? find_held_lock+0x31/0x90
<4>[  641.752087]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.752091]  ? lock_release+0xd4/0x2b0
<4>[  641.752095]  ? up_read+0x22/0x30
<4>[  641.752097]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.752101]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.752105]  ? irqentry_exit+0x77/0xb0
<4>[  641.752107]  ? clear_bhb_loop+0x15/0x70
<4>[  641.752109]  ? clear_bhb_loop+0x15/0x70
<4>[  641.752111]  ? clear_bhb_loop+0x15/0x70
<4>[  641.752113]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.752116] RIP: 0033:0x7b6f0df24ded
<4>[  641.752118] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.752120] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.752123] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.752124] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.752126] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.752127] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.752141] hardirqs last disabled at (263064616): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.752300]  ? intel_iommu_map_pages+0x687/0x820
<4>[  641.754402]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.754408]  ? find_held_lock+0x31/0x90
<4>[  641.754410]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.754413]  ? lock_release+0xd4/0x2b0
<4>[  641.754417]  ? find_held_lock+0x31/0x90
<4>[  641.754420]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.754424]  ? lock_release+0xd4/0x2b0
<4>[  641.754428]  ? up_read+0x22/0x30
<4>[  641.754431]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.754434]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.754438]  ? irqentry_exit+0x77/0xb0
<4>[  641.754440]  ? clear_bhb_loop+0x15/0x70
<4>[  641.754442]  ? clear_bhb_loop+0x15/0x70
<4>[  641.754444]  ? clear_bhb_loop+0x15/0x70
<4>[  641.754446]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.754449] RIP: 0033:0x7b6f0df24ded
<4>[  641.754451] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.754453] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.754455] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.754457] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.754459] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.754460] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.754471] hardirqs last  enabled at (263065735): [<ffffffff814a5d09>] __up_console_sem+0x79/0xa0
<4>[  641.754637]  ? intel_iommu_map_pages+0x687/0x820
<4>[  641.756741]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.756747]  ? find_held_lock+0x31/0x90
<4>[  641.756749]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.756752]  ? lock_release+0xd4/0x2b0
<4>[  641.756756]  ? find_held_lock+0x31/0x90
<4>[  641.756759]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.756763]  ? lock_release+0xd4/0x2b0
<4>[  641.756767]  ? up_read+0x22/0x30
<4>[  641.756770]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.756773]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.756777]  ? irqentry_exit+0x77/0xb0
<4>[  641.756779]  ? clear_bhb_loop+0x15/0x70
<4>[  641.756781]  ? clear_bhb_loop+0x15/0x70
<4>[  641.756783]  ? clear_bhb_loop+0x15/0x70
<4>[  641.756786]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.756788] RIP: 0033:0x7b6f0df24ded
<4>[  641.756790] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.756792] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.756795] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.756796] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.756798] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.756800] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.756813] hardirqs last disabled at (263066866): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.756970]  ? intel_iommu_map_pages+0x687/0x820
<4>[  641.759074]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.759080]  ? find_held_lock+0x31/0x90
<4>[  641.759083]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.759086]  ? lock_release+0xd4/0x2b0
<4>[  641.759090]  ? find_held_lock+0x31/0x90
<4>[  641.759092]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.759096]  ? lock_release+0xd4/0x2b0
<4>[  641.759101]  ? up_read+0x22/0x30
<4>[  641.759103]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.759107]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.759110]  ? irqentry_exit+0x77/0xb0
<4>[  641.759113]  ? clear_bhb_loop+0x15/0x70
<4>[  641.759115]  ? clear_bhb_loop+0x15/0x70
<4>[  641.759116]  ? clear_bhb_loop+0x15/0x70
<4>[  641.759119]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.759121] RIP: 0033:0x7b6f0df24ded
<4>[  641.759123] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.759125] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.759128] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.759129] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.759131] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.759132] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.759142] irq event stamp: 263067979
<4>[  641.759259]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.761381]  x64_sys_call+0x131e/0x2650
<4>[  641.761410]  ? find_held_lock+0x31/0x90
<4>[  641.761413]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.761415]  ? lock_release+0xd4/0x2b0
<4>[  641.761419]  ? find_held_lock+0x31/0x90
<4>[  641.761422]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.761426]  ? lock_release+0xd4/0x2b0
<4>[  641.761430]  ? up_read+0x22/0x30
<4>[  641.761433]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.761436]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.761440]  ? irqentry_exit+0x77/0xb0
<4>[  641.761442]  ? clear_bhb_loop+0x15/0x70
<4>[  641.761444]  ? clear_bhb_loop+0x15/0x70
<4>[  641.761446]  ? clear_bhb_loop+0x15/0x70
<4>[  641.761448]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.761451] RIP: 0033:0x7b6f0df24ded
<4>[  641.761453] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.761455] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.761457] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.761459] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.761461] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.761462] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.761464] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.761610] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.763228]  ? find_held_lock+0x31/0x90
<4>[  641.763746]  ? do_syscall_64+0x9d/0x180
<4>[  641.763749]  ? find_held_lock+0x31/0x90
<4>[  641.763752]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.763755]  ? lock_release+0xd4/0x2b0
<4>[  641.763759]  ? find_held_lock+0x31/0x90
<4>[  641.763761]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.763765]  ? lock_release+0xd4/0x2b0
<4>[  641.763770]  ? up_read+0x22/0x30
<4>[  641.763772]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.763776]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.763779]  ? irqentry_exit+0x77/0xb0
<4>[  641.763781]  ? clear_bhb_loop+0x15/0x70
<4>[  641.763783]  ? clear_bhb_loop+0x15/0x70
<4>[  641.763785]  ? clear_bhb_loop+0x15/0x70
<4>[  641.763788]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.763790] RIP: 0033:0x7b6f0df24ded
<4>[  641.763792] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.763794] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.763797] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.763798] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.763800] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.763801] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.763810]  </TASK>
<4>[  641.763817] softirqs last  enabled at (263017104): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.764183]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.766078]  ? find_held_lock+0x31/0x90
<4>[  641.766080]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.766083]  ? lock_release+0xd4/0x2b0
<4>[  641.766087]  ? find_held_lock+0x31/0x90
<4>[  641.766089]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.766093]  ? lock_release+0xd4/0x2b0
<4>[  641.766098]  ? up_read+0x22/0x30
<4>[  641.766100]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.766104]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.766107]  ? irqentry_exit+0x77/0xb0
<4>[  641.766110]  ? clear_bhb_loop+0x15/0x70
<4>[  641.766112]  ? clear_bhb_loop+0x15/0x70
<4>[  641.766113]  ? clear_bhb_loop+0x15/0x70
<4>[  641.766116]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.766118] RIP: 0033:0x7b6f0df24ded
<4>[  641.766120] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.766122] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.766125] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.766126] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.766128] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.766129] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.766131] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.766254]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.768391]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.768406]  ? find_held_lock+0x31/0x90
<4>[  641.768408]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.768411]  ? lock_release+0xd4/0x2b0
<4>[  641.768415]  ? find_held_lock+0x31/0x90
<4>[  641.768418]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.768422]  ? lock_release+0xd4/0x2b0
<4>[  641.768426]  ? up_read+0x22/0x30
<4>[  641.768428]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.768432]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.768436]  ? irqentry_exit+0x77/0xb0
<4>[  641.768438]  ? clear_bhb_loop+0x15/0x70
<4>[  641.768440]  ? clear_bhb_loop+0x15/0x70
<4>[  641.768441]  ? clear_bhb_loop+0x15/0x70
<4>[  641.768444]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.768447] RIP: 0033:0x7b6f0df24ded
<4>[  641.768449] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.768450] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.768453] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.768455] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.768456] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.768458] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.768459] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.768605] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.770077]  i915_gem_do_execbuffer+0xd89/0x3030 [i915]
<4>[  641.770743]  ? find_held_lock+0x31/0x90
<4>[  641.770746]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.770749]  ? lock_release+0xd4/0x2b0
<4>[  641.770753]  ? find_held_lock+0x31/0x90
<4>[  641.770755]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.770759]  ? lock_release+0xd4/0x2b0
<4>[  641.770764]  ? up_read+0x22/0x30
<4>[  641.770766]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.770770]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.770773]  ? irqentry_exit+0x77/0xb0
<4>[  641.770776]  ? clear_bhb_loop+0x15/0x70
<4>[  641.770778]  ? clear_bhb_loop+0x15/0x70
<4>[  641.770779]  ? clear_bhb_loop+0x15/0x70
<4>[  641.770782]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.770785] RIP: 0033:0x7b6f0df24ded
<4>[  641.770787] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.770789] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.770791] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.770793] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.770794] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.770796] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.770798] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.770929] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.773073]  ? find_held_lock+0x31/0x90
<4>[  641.773075]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.773078]  ? lock_release+0xd4/0x2b0
<4>[  641.773082]  ? find_held_lock+0x31/0x90
<4>[  641.773085]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.773089]  ? lock_release+0xd4/0x2b0
<4>[  641.773093]  ? up_read+0x22/0x30
<4>[  641.773096]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.773099]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.773103]  ? irqentry_exit+0x77/0xb0
<4>[  641.773105]  ? clear_bhb_loop+0x15/0x70
<4>[  641.773107]  ? clear_bhb_loop+0x15/0x70
<4>[  641.773109]  ? clear_bhb_loop+0x15/0x70
<4>[  641.773111]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.773114] RIP: 0033:0x7b6f0df24ded
<4>[  641.773116] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.773118] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.773120] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.773122] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.773123] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.773125] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.773126] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.773263] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.773507]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.775402]  ? find_held_lock+0x31/0x90
<4>[  641.775404]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.775407]  ? lock_release+0xd4/0x2b0
<4>[  641.775411]  ? find_held_lock+0x31/0x90
<4>[  641.775413]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.775417]  ? lock_release+0xd4/0x2b0
<4>[  641.775422]  ? up_read+0x22/0x30
<4>[  641.775424]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.775428]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.775431]  ? irqentry_exit+0x77/0xb0
<4>[  641.775434]  ? clear_bhb_loop+0x15/0x70
<4>[  641.775436]  ? clear_bhb_loop+0x15/0x70
<4>[  641.775437]  ? clear_bhb_loop+0x15/0x70
<4>[  641.775440]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.775443] RIP: 0033:0x7b6f0df24ded
<4>[  641.775445] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.775446] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.775449] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.775451] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.775452] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.775454] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.775455] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.775591] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.777737]  ? find_held_lock+0x31/0x90
<4>[  641.777739]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.777742]  ? lock_release+0xd4/0x2b0
<4>[  641.777746]  ? find_held_lock+0x31/0x90
<4>[  641.777749]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.777753]  ? lock_release+0xd4/0x2b0
<4>[  641.777757]  ? up_read+0x22/0x30
<4>[  641.777760]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.777763]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.777767]  ? irqentry_exit+0x77/0xb0
<4>[  641.777769]  ? clear_bhb_loop+0x15/0x70
<4>[  641.777771]  ? clear_bhb_loop+0x15/0x70
<4>[  641.777773]  ? clear_bhb_loop+0x15/0x70
<4>[  641.777775]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.777778] RIP: 0033:0x7b6f0df24ded
<4>[  641.777780] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.777782] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.777785] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.777786] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.777788] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.777789] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.777791] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.777927] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.778005]  iommu_dma_map_sg+0x43b/0x520
<4>[  641.780049]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.780064]  ? find_held_lock+0x31/0x90
<4>[  641.780067]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.780069]  ? lock_release+0xd4/0x2b0
<4>[  641.780074]  ? find_held_lock+0x31/0x90
<4>[  641.780076]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.780080]  ? lock_release+0xd4/0x2b0
<4>[  641.780084]  ? up_read+0x22/0x30
<4>[  641.780087]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.780090]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.780094]  ? irqentry_exit+0x77/0xb0
<4>[  641.780096]  ? clear_bhb_loop+0x15/0x70
<4>[  641.780098]  ? clear_bhb_loop+0x15/0x70
<4>[  641.780100]  ? clear_bhb_loop+0x15/0x70
<4>[  641.780102]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.780105] RIP: 0033:0x7b6f0df24ded
<4>[  641.780107] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.780109] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.780111] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.780113] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.780114] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.780116] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.780117] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.780253] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.781110]  i915_vma_get_pages+0xf9/0x300 [i915]
<4>[  641.782391]  ? find_held_lock+0x31/0x90
<4>[  641.782394]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.782397]  ? lock_release+0xd4/0x2b0
<4>[  641.782401]  ? find_held_lock+0x31/0x90
<4>[  641.782403]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.782407]  ? lock_release+0xd4/0x2b0
<4>[  641.782412]  ? up_read+0x22/0x30
<4>[  641.782414]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.782418]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.782421]  ? irqentry_exit+0x77/0xb0
<4>[  641.782424]  ? clear_bhb_loop+0x15/0x70
<4>[  641.782425]  ? clear_bhb_loop+0x15/0x70
<4>[  641.782427]  ? clear_bhb_loop+0x15/0x70
<4>[  641.782429]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.782432] RIP: 0033:0x7b6f0df24ded
<4>[  641.782434] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.782436] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.782438] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.782440] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.782441] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.782443] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.782444] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.782568]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.784715]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.784725]  ? find_held_lock+0x31/0x90
<4>[  641.784728]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.784731]  ? lock_release+0xd4/0x2b0
<4>[  641.784735]  ? find_held_lock+0x31/0x90
<4>[  641.784737]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.784741]  ? lock_release+0xd4/0x2b0
<4>[  641.784746]  ? up_read+0x22/0x30
<4>[  641.784748]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.784752]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.784755]  ? irqentry_exit+0x77/0xb0
<4>[  641.784758]  ? clear_bhb_loop+0x15/0x70
<4>[  641.784759]  ? clear_bhb_loop+0x15/0x70
<4>[  641.784761]  ? clear_bhb_loop+0x15/0x70
<4>[  641.784764]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.784767] RIP: 0033:0x7b6f0df24ded
<4>[  641.784769] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.784770] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.784773] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.784775] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.784776] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.784778] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.784780] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.784921] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.786535]  ? find_held_lock+0x31/0x90
<4>[  641.787050]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.787056]  ? find_held_lock+0x31/0x90
<4>[  641.787059]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.787062]  ? lock_release+0xd4/0x2b0
<4>[  641.787066]  ? find_held_lock+0x31/0x90
<4>[  641.787068]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.787072]  ? lock_release+0xd4/0x2b0
<4>[  641.787077]  ? up_read+0x22/0x30
<4>[  641.787079]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.787083]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.787086]  ? irqentry_exit+0x77/0xb0
<4>[  641.787089]  ? clear_bhb_loop+0x15/0x70
<4>[  641.787090]  ? clear_bhb_loop+0x15/0x70
<4>[  641.787092]  ? clear_bhb_loop+0x15/0x70
<4>[  641.787095]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.787097] RIP: 0033:0x7b6f0df24ded
<4>[  641.787099] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.787101] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.787104] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.787105] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.787107] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.787108] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.787124] softirqs last  enabled at (263017104): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.787335]  dma_map_sgtable+0x1d/0x40
<4>[  641.789359]  do_syscall_64+0x91/0x180
<4>[  641.789384]  ? find_held_lock+0x31/0x90
<4>[  641.789387]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.789390]  ? lock_release+0xd4/0x2b0
<4>[  641.789394]  ? find_held_lock+0x31/0x90
<4>[  641.789396]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.789400]  ? lock_release+0xd4/0x2b0
<4>[  641.789405]  ? up_read+0x22/0x30
<4>[  641.789407]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.789411]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.789414]  ? irqentry_exit+0x77/0xb0
<4>[  641.789417]  ? clear_bhb_loop+0x15/0x70
<4>[  641.789418]  ? clear_bhb_loop+0x15/0x70
<4>[  641.789420]  ? clear_bhb_loop+0x15/0x70
<4>[  641.789423]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.789425] RIP: 0033:0x7b6f0df24ded
<4>[  641.789427] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.789429] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.789432] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.789433] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.789435] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.789436] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.789438] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.789579] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.789669]  dma_map_sgtable+0x1d/0x40
<4>[  641.791704]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.791719]  ? find_held_lock+0x31/0x90
<4>[  641.791722]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.791725]  ? lock_release+0xd4/0x2b0
<4>[  641.791729]  ? find_held_lock+0x31/0x90
<4>[  641.791731]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.791735]  ? lock_release+0xd4/0x2b0
<4>[  641.791740]  ? up_read+0x22/0x30
<4>[  641.791742]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.791746]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.791749]  ? irqentry_exit+0x77/0xb0
<4>[  641.791752]  ? clear_bhb_loop+0x15/0x70
<4>[  641.791753]  ? clear_bhb_loop+0x15/0x70
<4>[  641.791755]  ? clear_bhb_loop+0x15/0x70
<4>[  641.791758]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.791761] RIP: 0033:0x7b6f0df24ded
<4>[  641.791763] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.791764] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.791767] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.791769] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.791770] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.791772] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.791774] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.791910] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.791977]  __iommu_map+0x11e/0x2d0
<4>[  641.794020]  do_syscall_64+0x91/0x180
<4>[  641.794046]  ? find_held_lock+0x31/0x90
<4>[  641.794048]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.794051]  ? lock_release+0xd4/0x2b0
<4>[  641.794055]  ? find_held_lock+0x31/0x90
<4>[  641.794058]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.794062]  ? lock_release+0xd4/0x2b0
<4>[  641.794066]  ? up_read+0x22/0x30
<4>[  641.794069]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.794072]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.794076]  ? irqentry_exit+0x77/0xb0
<4>[  641.794078]  ? clear_bhb_loop+0x15/0x70
<4>[  641.794080]  ? clear_bhb_loop+0x15/0x70
<4>[  641.794082]  ? clear_bhb_loop+0x15/0x70
<4>[  641.794084]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.794087] RIP: 0033:0x7b6f0df24ded
<4>[  641.794089] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.794090] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.794093] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.794095] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.794096] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.794098] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.794099] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.794235] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.794478]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.796375]  ? find_held_lock+0x31/0x90
<4>[  641.796378]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.796381]  ? lock_release+0xd4/0x2b0
<4>[  641.796385]  ? find_held_lock+0x31/0x90
<4>[  641.796387]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.796391]  ? lock_release+0xd4/0x2b0
<4>[  641.796396]  ? up_read+0x22/0x30
<4>[  641.796398]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.796402]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.796405]  ? irqentry_exit+0x77/0xb0
<4>[  641.796408]  ? clear_bhb_loop+0x15/0x70
<4>[  641.796409]  ? clear_bhb_loop+0x15/0x70
<4>[  641.796411]  ? clear_bhb_loop+0x15/0x70
<4>[  641.796414]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.796416] RIP: 0033:0x7b6f0df24ded
<4>[  641.796418] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.796420] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.796423] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.796424] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.796426] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.796427] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.796429] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.796553]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.798699]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.798709]  ? find_held_lock+0x31/0x90
<4>[  641.798712]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.798715]  ? lock_release+0xd4/0x2b0
<4>[  641.798719]  ? find_held_lock+0x31/0x90
<4>[  641.798722]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.798726]  ? lock_release+0xd4/0x2b0
<4>[  641.798730]  ? up_read+0x22/0x30
<4>[  641.798733]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.798736]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.798740]  ? irqentry_exit+0x77/0xb0
<4>[  641.798742]  ? clear_bhb_loop+0x15/0x70
<4>[  641.798744]  ? clear_bhb_loop+0x15/0x70
<4>[  641.798746]  ? clear_bhb_loop+0x15/0x70
<4>[  641.798749]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.798751] RIP: 0033:0x7b6f0df24ded
<4>[  641.798753] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.798755] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.798758] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.798759] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.798761] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.798763] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.798764] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.798907] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.800703]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.801042]  ? find_held_lock+0x31/0x90
<4>[  641.801045]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.801048]  ? lock_release+0xd4/0x2b0
<4>[  641.801052]  ? find_held_lock+0x31/0x90
<4>[  641.801054]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.801058]  ? lock_release+0xd4/0x2b0
<4>[  641.801063]  ? up_read+0x22/0x30
<4>[  641.801065]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.801069]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.801072]  ? irqentry_exit+0x77/0xb0
<4>[  641.801075]  ? clear_bhb_loop+0x15/0x70
<4>[  641.801076]  ? clear_bhb_loop+0x15/0x70
<4>[  641.801078]  ? clear_bhb_loop+0x15/0x70
<4>[  641.801081]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.801083] RIP: 0033:0x7b6f0df24ded
<4>[  641.801085] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.801087] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.801090] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.801091] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.801093] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.801094] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.801096] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.801235] Code: 75 c0 e8 ec 27 3f ff 8b 05 0a 74 55 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 ed 73 55 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  641.803379]  ? find_held_lock+0x31/0x90
<4>[  641.803381]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.803385]  ? lock_release+0xd4/0x2b0
<4>[  641.803390]  ? up_read+0x22/0x30
<4>[  641.803393]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.803396]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.803399]  ? irqentry_exit+0x77/0xb0
<4>[  641.803402]  ? clear_bhb_loop+0x15/0x70
<4>[  641.803404]  ? clear_bhb_loop+0x15/0x70
<4>[  641.803405]  ? clear_bhb_loop+0x15/0x70
<4>[  641.803408]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.803411] RIP: 0033:0x7b6f0df24ded
<4>[  641.803413] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.803414] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.803417] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.803419] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.803420] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.803422] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.803423] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.803564] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.805358]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.805701]  ? find_held_lock+0x31/0x90
<4>[  641.805704]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.805707]  ? lock_release+0xd4/0x2b0
<4>[  641.805711]  ? find_held_lock+0x31/0x90
<4>[  641.805714]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.805717]  ? lock_release+0xd4/0x2b0
<4>[  641.805722]  ? up_read+0x22/0x30
<4>[  641.805724]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.805728]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.805731]  ? irqentry_exit+0x77/0xb0
<4>[  641.805734]  ? clear_bhb_loop+0x15/0x70
<4>[  641.805736]  ? clear_bhb_loop+0x15/0x70
<4>[  641.805738]  ? clear_bhb_loop+0x15/0x70
<4>[  641.805740]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.805743] RIP: 0033:0x7b6f0df24ded
<4>[  641.805745] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.805747] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.805749] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.805751] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.805753] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.805754] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.805756] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.805897] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.807693]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.808032]  ? find_held_lock+0x31/0x90
<4>[  641.808034]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.808037]  ? lock_release+0xd4/0x2b0
<4>[  641.808041]  ? find_held_lock+0x31/0x90
<4>[  641.808044]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.808048]  ? lock_release+0xd4/0x2b0
<4>[  641.808052]  ? up_read+0x22/0x30
<4>[  641.808055]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.808058]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.808062]  ? irqentry_exit+0x77/0xb0
<4>[  641.808064]  ? clear_bhb_loop+0x15/0x70
<4>[  641.808066]  ? clear_bhb_loop+0x15/0x70
<4>[  641.808068]  ? clear_bhb_loop+0x15/0x70
<4>[  641.808070]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.808073] RIP: 0033:0x7b6f0df24ded
<4>[  641.808075] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.808077] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.808079] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.808081] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.808082] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.808084] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.808085] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.808225] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.809842]  ? find_held_lock+0x31/0x90
<4>[  641.810352]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.810360]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.810363]  ? lock_release+0xd4/0x2b0
<4>[  641.810367]  ? find_held_lock+0x31/0x90
<4>[  641.810369]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.810373]  ? lock_release+0xd4/0x2b0
<4>[  641.810378]  ? up_read+0x22/0x30
<4>[  641.810380]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.810384]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.810387]  ? irqentry_exit+0x77/0xb0
<4>[  641.810390]  ? clear_bhb_loop+0x15/0x70
<4>[  641.810391]  ? clear_bhb_loop+0x15/0x70
<4>[  641.810393]  ? clear_bhb_loop+0x15/0x70
<4>[  641.810396]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.810398] RIP: 0033:0x7b6f0df24ded
<4>[  641.810400] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.810402] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.810405] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.810406] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.810408] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.810409] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.810411] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.810546] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.810628]  iommu_dma_map_sg+0x43b/0x520
<4>[  641.812671]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.812686]  ? find_held_lock+0x31/0x90
<4>[  641.812688]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.812691]  ? lock_release+0xd4/0x2b0
<4>[  641.812695]  ? find_held_lock+0x31/0x90
<4>[  641.812698]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.812702]  ? lock_release+0xd4/0x2b0
<4>[  641.812706]  ? up_read+0x22/0x30
<4>[  641.812709]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.812712]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.812716]  ? irqentry_exit+0x77/0xb0
<4>[  641.812718]  ? clear_bhb_loop+0x15/0x70
<4>[  641.812720]  ? clear_bhb_loop+0x15/0x70
<4>[  641.812722]  ? clear_bhb_loop+0x15/0x70
<4>[  641.812725]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.812727] RIP: 0033:0x7b6f0df24ded
<4>[  641.812729] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.812731] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.812734] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.812735] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.812737] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.812738] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.812740] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.812875] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.813119]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.815013]  ? find_held_lock+0x31/0x90
<4>[  641.815016]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.815019]  ? lock_release+0xd4/0x2b0
<4>[  641.815023]  ? find_held_lock+0x31/0x90
<4>[  641.815025]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.815029]  ? lock_release+0xd4/0x2b0
<4>[  641.815034]  ? up_read+0x22/0x30
<4>[  641.815036]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.815040]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.815043]  ? irqentry_exit+0x77/0xb0
<4>[  641.815045]  ? clear_bhb_loop+0x15/0x70
<4>[  641.815047]  ? clear_bhb_loop+0x15/0x70
<4>[  641.815049]  ? clear_bhb_loop+0x15/0x70
<4>[  641.815051]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.815054] RIP: 0033:0x7b6f0df24ded
<4>[  641.815056] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.815058] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.815061] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.815062] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.815064] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.815065] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.815067] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.815189]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.817324]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.817339]  ? find_held_lock+0x31/0x90
<4>[  641.817341]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.817344]  ? lock_release+0xd4/0x2b0
<4>[  641.817348]  ? find_held_lock+0x31/0x90
<4>[  641.817350]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.817354]  ? lock_release+0xd4/0x2b0
<4>[  641.817359]  ? up_read+0x22/0x30
<4>[  641.817361]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.817365]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.817368]  ? irqentry_exit+0x77/0xb0
<4>[  641.817371]  ? clear_bhb_loop+0x15/0x70
<4>[  641.817373]  ? clear_bhb_loop+0x15/0x70
<4>[  641.817374]  ? clear_bhb_loop+0x15/0x70
<4>[  641.817377]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.817379] RIP: 0033:0x7b6f0df24ded
<4>[  641.817381] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.817383] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.817386] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.817387] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.817389] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.817390] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.817392] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.817531] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.819149]  ? find_held_lock+0x31/0x90
<4>[  641.819663]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.819669]  ? find_held_lock+0x31/0x90
<4>[  641.819672]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.819675]  ? lock_release+0xd4/0x2b0
<4>[  641.819679]  ? find_held_lock+0x31/0x90
<4>[  641.819681]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.819685]  ? lock_release+0xd4/0x2b0
<4>[  641.819690]  ? up_read+0x22/0x30
<4>[  641.819692]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.819696]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.819699]  ? irqentry_exit+0x77/0xb0
<4>[  641.819702]  ? clear_bhb_loop+0x15/0x70
<4>[  641.819703]  ? clear_bhb_loop+0x15/0x70
<4>[  641.819705]  ? clear_bhb_loop+0x15/0x70
<4>[  641.819708]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.819710] RIP: 0033:0x7b6f0df24ded
<4>[  641.819712] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.819714] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.819717] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.819718] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.819720] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.819722] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.819735] hardirqs last disabled at (263097232): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.819911]  ? intel_iommu_map_pages+0x687/0x820
<4>[  641.821987]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.821993]  ? find_held_lock+0x31/0x90
<4>[  641.821996]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.821998]  ? lock_release+0xd4/0x2b0
<4>[  641.822002]  ? find_held_lock+0x31/0x90
<4>[  641.822005]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.822009]  ? lock_release+0xd4/0x2b0
<4>[  641.822013]  ? up_read+0x22/0x30
<4>[  641.822016]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.822019]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.822023]  ? irqentry_exit+0x77/0xb0
<4>[  641.822025]  ? clear_bhb_loop+0x15/0x70
<4>[  641.822027]  ? clear_bhb_loop+0x15/0x70
<4>[  641.822028]  ? clear_bhb_loop+0x15/0x70
<4>[  641.822031]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.822034] RIP: 0033:0x7b6f0df24ded
<4>[  641.822036] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.822037] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.822040] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.822042] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.822043] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.822045] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.822055] hardirqs last  enabled at (263098351): [<ffffffff814a5d09>] __up_console_sem+0x79/0xa0
<4>[  641.822203] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  641.824319]  ? find_held_lock+0x31/0x90
<4>[  641.824321]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.824324]  ? lock_release+0xd4/0x2b0
<4>[  641.824328]  ? find_held_lock+0x31/0x90
<4>[  641.824331]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.824334]  ? lock_release+0xd4/0x2b0
<4>[  641.824339]  ? up_read+0x22/0x30
<4>[  641.824342]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.824345]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.824349]  ? irqentry_exit+0x77/0xb0
<4>[  641.824351]  ? clear_bhb_loop+0x15/0x70
<4>[  641.824353]  ? clear_bhb_loop+0x15/0x70
<4>[  641.824354]  ? clear_bhb_loop+0x15/0x70
<4>[  641.824357]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.824360] RIP: 0033:0x7b6f0df24ded
<4>[  641.824362] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.824363] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.824366] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.824368] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.824369] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.824371] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.824372] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.824512] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.826129]  ? find_held_lock+0x31/0x90
<4>[  641.826644]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.826650]  ? find_held_lock+0x31/0x90
<4>[  641.826652]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.826655]  ? lock_release+0xd4/0x2b0
<4>[  641.826660]  ? find_held_lock+0x31/0x90
<4>[  641.826662]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.826666]  ? lock_release+0xd4/0x2b0
<4>[  641.826671]  ? up_read+0x22/0x30
<4>[  641.826673]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.826677]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.826680]  ? irqentry_exit+0x77/0xb0
<4>[  641.826683]  ? clear_bhb_loop+0x15/0x70
<4>[  641.826684]  ? clear_bhb_loop+0x15/0x70
<4>[  641.826686]  ? clear_bhb_loop+0x15/0x70
<4>[  641.826689]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.826691] RIP: 0033:0x7b6f0df24ded
<4>[  641.826693] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.826695] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.826698] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.826700] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.826701] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.826703] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.826716] hardirqs last disabled at (263100606): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  641.826871]  ? intel_iommu_map_pages+0x687/0x820
<4>[  641.828967]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.828977]  ? find_held_lock+0x31/0x90
<4>[  641.828980]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.828982]  ? lock_release+0xd4/0x2b0
<4>[  641.828987]  ? find_held_lock+0x31/0x90
<4>[  641.828989]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.828993]  ? lock_release+0xd4/0x2b0
<4>[  641.828997]  ? up_read+0x22/0x30
<4>[  641.829000]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.829003]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.829007]  ? irqentry_exit+0x77/0xb0
<4>[  641.829009]  ? clear_bhb_loop+0x15/0x70
<4>[  641.829011]  ? clear_bhb_loop+0x15/0x70
<4>[  641.829013]  ? clear_bhb_loop+0x15/0x70
<4>[  641.829015]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.829018] RIP: 0033:0x7b6f0df24ded
<4>[  641.829020] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.829022] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.829024] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.829026] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.829027] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.829029] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.829030] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.829170] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.831109]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.831301]  ? find_held_lock+0x31/0x90
<4>[  641.831304]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.831306]  ? lock_release+0xd4/0x2b0
<4>[  641.831310]  ? find_held_lock+0x31/0x90
<4>[  641.831313]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.831317]  ? lock_release+0xd4/0x2b0
<4>[  641.831321]  ? up_read+0x22/0x30
<4>[  641.831324]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.831327]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.831331]  ? irqentry_exit+0x77/0xb0
<4>[  641.831333]  ? clear_bhb_loop+0x15/0x70
<4>[  641.831335]  ? clear_bhb_loop+0x15/0x70
<4>[  641.831337]  ? clear_bhb_loop+0x15/0x70
<4>[  641.831339]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.831342] RIP: 0033:0x7b6f0df24ded
<4>[  641.831344] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.831346] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.831348] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.831350] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.831352] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.831353] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.831355] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.831477]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.833629]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.833635]  ? find_held_lock+0x31/0x90
<4>[  641.833637]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.833640]  ? lock_release+0xd4/0x2b0
<4>[  641.833644]  ? find_held_lock+0x31/0x90
<4>[  641.833647]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.833651]  ? lock_release+0xd4/0x2b0
<4>[  641.833655]  ? up_read+0x22/0x30
<4>[  641.833658]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.833661]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.833665]  ? irqentry_exit+0x77/0xb0
<4>[  641.833667]  ? clear_bhb_loop+0x15/0x70
<4>[  641.833669]  ? clear_bhb_loop+0x15/0x70
<4>[  641.833671]  ? clear_bhb_loop+0x15/0x70
<4>[  641.833673]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.833676] RIP: 0033:0x7b6f0df24ded
<4>[  641.833678] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.833680] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.833682] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.833684] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.833686] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.833687] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.833698] hardirqs last  enabled at (263103975): [<ffffffff814a5d09>] __up_console_sem+0x79/0xa0
<4>[  641.833846] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  641.835962]  ? find_held_lock+0x31/0x90
<4>[  641.835964]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.835967]  ? lock_release+0xd4/0x2b0
<4>[  641.835971]  ? find_held_lock+0x31/0x90
<4>[  641.835974]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.835978]  ? lock_release+0xd4/0x2b0
<4>[  641.835982]  ? up_read+0x22/0x30
<4>[  641.835985]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.835988]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.835992]  ? irqentry_exit+0x77/0xb0
<4>[  641.835994]  ? clear_bhb_loop+0x15/0x70
<4>[  641.835996]  ? clear_bhb_loop+0x15/0x70
<4>[  641.835998]  ? clear_bhb_loop+0x15/0x70
<4>[  641.836000]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.836003] RIP: 0033:0x7b6f0df24ded
<4>[  641.836005] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.836007] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.836009] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.836011] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.836012] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.836014] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.836015] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.836155] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.837771]  ? find_held_lock+0x31/0x90
<4>[  641.838280]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.838289]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.838292]  ? lock_release+0xd4/0x2b0
<4>[  641.838296]  ? find_held_lock+0x31/0x90
<4>[  641.838298]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.838302]  ? lock_release+0xd4/0x2b0
<4>[  641.838307]  ? up_read+0x22/0x30
<4>[  641.838309]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.838312]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.838316]  ? irqentry_exit+0x77/0xb0
<4>[  641.838318]  ? clear_bhb_loop+0x15/0x70
<4>[  641.838320]  ? clear_bhb_loop+0x15/0x70
<4>[  641.838322]  ? clear_bhb_loop+0x15/0x70
<4>[  641.838324]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.838327] RIP: 0033:0x7b6f0df24ded
<4>[  641.838329] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.838331] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.838333] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.838335] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.838336] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.838338] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.838339] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.838471] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.838490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.840613]  ? do_syscall_64+0x9d/0x180
<4>[  641.840616]  ? find_held_lock+0x31/0x90
<4>[  641.840618]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.840621]  ? lock_release+0xd4/0x2b0
<4>[  641.840626]  ? find_held_lock+0x31/0x90
<4>[  641.840628]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.840632]  ? lock_release+0xd4/0x2b0
<4>[  641.840637]  ? up_read+0x22/0x30
<4>[  641.840639]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.840643]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.840646]  ? irqentry_exit+0x77/0xb0
<4>[  641.840649]  ? clear_bhb_loop+0x15/0x70
<4>[  641.840650]  ? clear_bhb_loop+0x15/0x70
<4>[  641.840652]  ? clear_bhb_loop+0x15/0x70
<4>[  641.840655]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.840657] RIP: 0033:0x7b6f0df24ded
<4>[  641.840659] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.840661] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.840664] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.840666] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.840667] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.840669] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.840677]  </TASK>
<4>[  641.840684] softirqs last  enabled at (263017104): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.840895]  dma_map_sgtable+0x1d/0x40
<4>[  641.842929]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.842944]  ? find_held_lock+0x31/0x90
<4>[  641.842946]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.842949]  ? lock_release+0xd4/0x2b0
<4>[  641.842953]  ? find_held_lock+0x31/0x90
<4>[  641.842955]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.842959]  ? lock_release+0xd4/0x2b0
<4>[  641.842964]  ? up_read+0x22/0x30
<4>[  641.842966]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.842970]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.842973]  ? irqentry_exit+0x77/0xb0
<4>[  641.842976]  ? clear_bhb_loop+0x15/0x70
<4>[  641.842977]  ? clear_bhb_loop+0x15/0x70
<4>[  641.842979]  ? clear_bhb_loop+0x15/0x70
<4>[  641.842982]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.842984] RIP: 0033:0x7b6f0df24ded
<4>[  641.842986] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.842988] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.842991] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.842992] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.842994] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.842995] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.842997] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.843132] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.843199]  __iommu_map+0x11e/0x2d0
<4>[  641.845246]  do_syscall_64+0x91/0x180
<4>[  641.845272]  ? find_held_lock+0x31/0x90
<4>[  641.845274]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.845277]  ? lock_release+0xd4/0x2b0
<4>[  641.845281]  ? find_held_lock+0x31/0x90
<4>[  641.845283]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.845287]  ? lock_release+0xd4/0x2b0
<4>[  641.845292]  ? up_read+0x22/0x30
<4>[  641.845294]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.845298]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.845301]  ? irqentry_exit+0x77/0xb0
<4>[  641.845304]  ? clear_bhb_loop+0x15/0x70
<4>[  641.845305]  ? clear_bhb_loop+0x15/0x70
<4>[  641.845307]  ? clear_bhb_loop+0x15/0x70
<4>[  641.845310]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.845312] RIP: 0033:0x7b6f0df24ded
<4>[  641.845314] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.845316] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.845319] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.845320] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.845322] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.845323] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.845325] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.845458] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X220.B00.2103302221 03/30/2021
<4>[  641.847603]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.847606]  ? lock_release+0xd4/0x2b0
<4>[  641.847610]  ? find_held_lock+0x31/0x90
<4>[  641.847612]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.847616]  ? lock_release+0xd4/0x2b0
<4>[  641.847621]  ? up_read+0x22/0x30
<4>[  641.847623]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.847627]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.847630]  ? irqentry_exit+0x77/0xb0
<4>[  641.847633]  ? clear_bhb_loop+0x15/0x70
<4>[  641.847635]  ? clear_bhb_loop+0x15/0x70
<4>[  641.847636]  ? clear_bhb_loop+0x15/0x70
<4>[  641.847639]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.847642] RIP: 0033:0x7b6f0df24ded
<4>[  641.847644] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.847646] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.847648] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.847650] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.847652] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.847653] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.847655] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.847790] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.847857]  __iommu_map+0x11e/0x2d0
<4>[  641.849902]  do_syscall_64+0x91/0x180
<4>[  641.849928]  ? find_held_lock+0x31/0x90
<4>[  641.849930]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.849933]  ? lock_release+0xd4/0x2b0
<4>[  641.849937]  ? find_held_lock+0x31/0x90
<4>[  641.849940]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.849944]  ? lock_release+0xd4/0x2b0
<4>[  641.849948]  ? up_read+0x22/0x30
<4>[  641.849951]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.849954]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.849958]  ? irqentry_exit+0x77/0xb0
<4>[  641.849960]  ? clear_bhb_loop+0x15/0x70
<4>[  641.849962]  ? clear_bhb_loop+0x15/0x70
<4>[  641.849964]  ? clear_bhb_loop+0x15/0x70
<4>[  641.849966]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.849969] RIP: 0033:0x7b6f0df24ded
<4>[  641.849971] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.849972] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.849975] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.849977] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.849978] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.849980] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.849981] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.850114] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.850133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.852258]  ? find_held_lock+0x31/0x90
<4>[  641.852260]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.852263]  ? lock_release+0xd4/0x2b0
<4>[  641.852267]  ? find_held_lock+0x31/0x90
<4>[  641.852269]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.852273]  ? lock_release+0xd4/0x2b0
<4>[  641.852278]  ? up_read+0x22/0x30
<4>[  641.852280]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.852284]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.852287]  ? irqentry_exit+0x77/0xb0
<4>[  641.852290]  ? clear_bhb_loop+0x15/0x70
<4>[  641.852291]  ? clear_bhb_loop+0x15/0x70
<4>[  641.852293]  ? clear_bhb_loop+0x15/0x70
<4>[  641.852296]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.852298] RIP: 0033:0x7b6f0df24ded
<4>[  641.852300] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.852302] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.852305] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.852306] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.852308] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.852309] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.852311] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.852433]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.854559]  do_syscall_64+0x91/0x180
<4>[  641.854589]  ? find_held_lock+0x31/0x90
<4>[  641.854592]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.854595]  ? lock_release+0xd4/0x2b0
<4>[  641.854599]  ? find_held_lock+0x31/0x90
<4>[  641.854601]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.854605]  ? lock_release+0xd4/0x2b0
<4>[  641.854609]  ? up_read+0x22/0x30
<4>[  641.854612]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.854615]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.854619]  ? irqentry_exit+0x77/0xb0
<4>[  641.854621]  ? clear_bhb_loop+0x15/0x70
<4>[  641.854623]  ? clear_bhb_loop+0x15/0x70
<4>[  641.854625]  ? clear_bhb_loop+0x15/0x70
<4>[  641.854627]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.854630] RIP: 0033:0x7b6f0df24ded
<4>[  641.854632] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.854634] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.854637] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.854638] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.854640] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.854642] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.854643] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.854779] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.854846]  __iommu_map+0x11e/0x2d0
<4>[  641.856891]  do_syscall_64+0x91/0x180
<4>[  641.856917]  ? find_held_lock+0x31/0x90
<4>[  641.856919]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.856922]  ? lock_release+0xd4/0x2b0
<4>[  641.856926]  ? find_held_lock+0x31/0x90
<4>[  641.856929]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.856932]  ? lock_release+0xd4/0x2b0
<4>[  641.856937]  ? up_read+0x22/0x30
<4>[  641.856939]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.856943]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.856946]  ? irqentry_exit+0x77/0xb0
<4>[  641.856949]  ? clear_bhb_loop+0x15/0x70
<4>[  641.856951]  ? clear_bhb_loop+0x15/0x70
<4>[  641.856952]  ? clear_bhb_loop+0x15/0x70
<4>[  641.856955]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.856958] RIP: 0033:0x7b6f0df24ded
<4>[  641.856959] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.856961] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.856964] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.856965] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.856967] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.856968] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.856970] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.857103] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.857122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.859243]  ? find_held_lock+0x31/0x90
<4>[  641.859246]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.859249]  ? lock_release+0xd4/0x2b0
<4>[  641.859253]  ? find_held_lock+0x31/0x90
<4>[  641.859255]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.859259]  ? lock_release+0xd4/0x2b0
<4>[  641.859264]  ? up_read+0x22/0x30
<4>[  641.859266]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.859270]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.859273]  ? irqentry_exit+0x77/0xb0
<4>[  641.859275]  ? clear_bhb_loop+0x15/0x70
<4>[  641.859277]  ? clear_bhb_loop+0x15/0x70
<4>[  641.859279]  ? clear_bhb_loop+0x15/0x70
<4>[  641.859281]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.859284] RIP: 0033:0x7b6f0df24ded
<4>[  641.859286] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.859288] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.859290] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.859292] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.859294] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.859295] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.859297] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.859419]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.861557]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.861577]  ? find_held_lock+0x31/0x90
<4>[  641.861579]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.861582]  ? lock_release+0xd4/0x2b0
<4>[  641.861586]  ? find_held_lock+0x31/0x90
<4>[  641.861588]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.861592]  ? lock_release+0xd4/0x2b0
<4>[  641.861597]  ? up_read+0x22/0x30
<4>[  641.861599]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.861603]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.861606]  ? irqentry_exit+0x77/0xb0
<4>[  641.861609]  ? clear_bhb_loop+0x15/0x70
<4>[  641.861610]  ? clear_bhb_loop+0x15/0x70
<4>[  641.861612]  ? clear_bhb_loop+0x15/0x70
<4>[  641.861615]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.861617] RIP: 0033:0x7b6f0df24ded
<4>[  641.861619] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.861621] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.861624] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.861625] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.861627] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.861629] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.861630] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.861766] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.861833]  __iommu_map+0x11e/0x2d0
<4>[  641.863879]  do_syscall_64+0x91/0x180
<4>[  641.863905]  ? find_held_lock+0x31/0x90
<4>[  641.863908]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.863911]  ? lock_release+0xd4/0x2b0
<4>[  641.863915]  ? find_held_lock+0x31/0x90
<4>[  641.863917]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.863921]  ? lock_release+0xd4/0x2b0
<4>[  641.863926]  ? up_read+0x22/0x30
<4>[  641.863928]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.863932]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.863935]  ? irqentry_exit+0x77/0xb0
<4>[  641.863937]  ? clear_bhb_loop+0x15/0x70
<4>[  641.863939]  ? clear_bhb_loop+0x15/0x70
<4>[  641.863941]  ? clear_bhb_loop+0x15/0x70
<4>[  641.863943]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.863946] RIP: 0033:0x7b6f0df24ded
<4>[  641.863948] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.863950] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.863953] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.863954] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.863956] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.863957] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.863959] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.864091] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.864110] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.866229]  ? find_held_lock+0x31/0x90
<4>[  641.866232]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.866235]  ? lock_release+0xd4/0x2b0
<4>[  641.866239]  ? find_held_lock+0x31/0x90
<4>[  641.866241]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.866245]  ? lock_release+0xd4/0x2b0
<4>[  641.866250]  ? up_read+0x22/0x30
<4>[  641.866252]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.866256]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.866259]  ? irqentry_exit+0x77/0xb0
<4>[  641.866261]  ? clear_bhb_loop+0x15/0x70
<4>[  641.866263]  ? clear_bhb_loop+0x15/0x70
<4>[  641.866265]  ? clear_bhb_loop+0x15/0x70
<4>[  641.866268]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.866270] RIP: 0033:0x7b6f0df24ded
<4>[  641.866272] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.866274] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.866276] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.866278] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.866279] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.866281] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.866282] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.866405]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.868543]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.868552]  ? find_held_lock+0x31/0x90
<4>[  641.868555]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.868558]  ? lock_release+0xd4/0x2b0
<4>[  641.868566]  ? find_held_lock+0x31/0x90
<4>[  641.868569]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.868573]  ? lock_release+0xd4/0x2b0
<4>[  641.868577]  ? up_read+0x22/0x30
<4>[  641.868580]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.868583]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.868587]  ? irqentry_exit+0x77/0xb0
<4>[  641.868589]  ? clear_bhb_loop+0x15/0x70
<4>[  641.868591]  ? clear_bhb_loop+0x15/0x70
<4>[  641.868593]  ? clear_bhb_loop+0x15/0x70
<4>[  641.868595]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.868598] RIP: 0033:0x7b6f0df24ded
<4>[  641.868600] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.868602] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.868604] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.868606] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.868607] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.868609] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.868610] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.868751] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.870393]  i915_gem_execbuffer2_ioctl+0x15a/0x310 [i915]
<4>[  641.870884]  ? find_held_lock+0x31/0x90
<4>[  641.870887]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.870889]  ? lock_release+0xd4/0x2b0
<4>[  641.870893]  ? find_held_lock+0x31/0x90
<4>[  641.870896]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.870900]  ? lock_release+0xd4/0x2b0
<4>[  641.870904]  ? up_read+0x22/0x30
<4>[  641.870907]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.870910]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.870914]  ? irqentry_exit+0x77/0xb0
<4>[  641.870916]  ? clear_bhb_loop+0x15/0x70
<4>[  641.870918]  ? clear_bhb_loop+0x15/0x70
<4>[  641.870920]  ? clear_bhb_loop+0x15/0x70
<4>[  641.870922]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.870925] RIP: 0033:0x7b6f0df24ded
<4>[  641.870927] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.870929] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.870931] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.870933] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.870934] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.870936] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.870937] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.871075] Code: 75 c0 e8 ec 27 3f ff 8b 05 0a 74 55 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 ed 73 55 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  641.873219]  ? find_held_lock+0x31/0x90
<4>[  641.873221]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.873225]  ? lock_release+0xd4/0x2b0
<4>[  641.873229]  ? up_read+0x22/0x30
<4>[  641.873232]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.873235]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.873239]  ? irqentry_exit+0x77/0xb0
<4>[  641.873241]  ? clear_bhb_loop+0x15/0x70
<4>[  641.873243]  ? clear_bhb_loop+0x15/0x70
<4>[  641.873245]  ? clear_bhb_loop+0x15/0x70
<4>[  641.873247]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.873250] RIP: 0033:0x7b6f0df24ded
<4>[  641.873252] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.873254] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.873256] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.873258] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.873259] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.873261] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.873262] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.873402] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.875017]  ? find_held_lock+0x31/0x90
<4>[  641.875530]  ? do_syscall_64+0x9d/0x180
<4>[  641.875533]  ? find_held_lock+0x31/0x90
<4>[  641.875535]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.875538]  ? lock_release+0xd4/0x2b0
<4>[  641.875542]  ? find_held_lock+0x31/0x90
<4>[  641.875544]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.875548]  ? lock_release+0xd4/0x2b0
<4>[  641.875553]  ? up_read+0x22/0x30
<4>[  641.875555]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.875564]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.875567]  ? irqentry_exit+0x77/0xb0
<4>[  641.875570]  ? clear_bhb_loop+0x15/0x70
<4>[  641.875572]  ? clear_bhb_loop+0x15/0x70
<4>[  641.875573]  ? clear_bhb_loop+0x15/0x70
<4>[  641.875576]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.875579] RIP: 0033:0x7b6f0df24ded
<4>[  641.875580] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.875582] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.875585] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.875586] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.875588] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.875589] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.875591] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.875731] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.877521]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.877865]  ? find_held_lock+0x31/0x90
<4>[  641.877867]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.877870]  ? lock_release+0xd4/0x2b0
<4>[  641.877874]  ? find_held_lock+0x31/0x90
<4>[  641.877876]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.877880]  ? lock_release+0xd4/0x2b0
<4>[  641.877885]  ? up_read+0x22/0x30
<4>[  641.877887]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.877891]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.877894]  ? irqentry_exit+0x77/0xb0
<4>[  641.877897]  ? clear_bhb_loop+0x15/0x70
<4>[  641.877899]  ? clear_bhb_loop+0x15/0x70
<4>[  641.877900]  ? clear_bhb_loop+0x15/0x70
<4>[  641.877903]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.877906] RIP: 0033:0x7b6f0df24ded
<4>[  641.877908] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.877909] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.877912] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.877914] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.877915] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.877917] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.877918] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.878058] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.879998]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.880190]  ? find_held_lock+0x31/0x90
<4>[  641.880193]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.880195]  ? lock_release+0xd4/0x2b0
<4>[  641.880199]  ? find_held_lock+0x31/0x90
<4>[  641.880202]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.880206]  ? lock_release+0xd4/0x2b0
<4>[  641.880210]  ? up_read+0x22/0x30
<4>[  641.880213]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.880216]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.880220]  ? irqentry_exit+0x77/0xb0
<4>[  641.880222]  ? clear_bhb_loop+0x15/0x70
<4>[  641.880224]  ? clear_bhb_loop+0x15/0x70
<4>[  641.880226]  ? clear_bhb_loop+0x15/0x70
<4>[  641.880228]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.880231] RIP: 0033:0x7b6f0df24ded
<4>[  641.880233] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.880234] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.880237] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.880239] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.880240] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.880242] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.880243] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.880366]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.882501]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.882516]  ? find_held_lock+0x31/0x90
<4>[  641.882518]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.882521]  ? lock_release+0xd4/0x2b0
<4>[  641.882525]  ? find_held_lock+0x31/0x90
<4>[  641.882527]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.882531]  ? lock_release+0xd4/0x2b0
<4>[  641.882536]  ? up_read+0x22/0x30
<4>[  641.882538]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.882542]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.882545]  ? irqentry_exit+0x77/0xb0
<4>[  641.882548]  ? clear_bhb_loop+0x15/0x70
<4>[  641.882549]  ? clear_bhb_loop+0x15/0x70
<4>[  641.882551]  ? clear_bhb_loop+0x15/0x70
<4>[  641.882554]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.882556] RIP: 0033:0x7b6f0df24ded
<4>[  641.882563] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.882565] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.882567] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.882569] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.882570] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.882572] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.882573] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.882710] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.882788]  iommu_dma_map_sg+0x43b/0x520
<4>[  641.884832]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.884847]  ? find_held_lock+0x31/0x90
<4>[  641.884849]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.884852]  ? lock_release+0xd4/0x2b0
<4>[  641.884856]  ? find_held_lock+0x31/0x90
<4>[  641.884859]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.884862]  ? lock_release+0xd4/0x2b0
<4>[  641.884867]  ? up_read+0x22/0x30
<4>[  641.884869]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.884873]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.884876]  ? irqentry_exit+0x77/0xb0
<4>[  641.884879]  ? clear_bhb_loop+0x15/0x70
<4>[  641.884881]  ? clear_bhb_loop+0x15/0x70
<4>[  641.884882]  ? clear_bhb_loop+0x15/0x70
<4>[  641.884885]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.884887] RIP: 0033:0x7b6f0df24ded
<4>[  641.884889] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.884891] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.884894] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.884895] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.884897] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.884898] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.884900] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.885038] Code: 75 c0 e8 ec 27 3f ff 8b 05 0a 74 55 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 ed 73 55 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  641.887182]  ? find_held_lock+0x31/0x90
<4>[  641.887184]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.887188]  ? lock_release+0xd4/0x2b0
<4>[  641.887193]  ? up_read+0x22/0x30
<4>[  641.887195]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.887199]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.887202]  ? irqentry_exit+0x77/0xb0
<4>[  641.887205]  ? clear_bhb_loop+0x15/0x70
<4>[  641.887206]  ? clear_bhb_loop+0x15/0x70
<4>[  641.887208]  ? clear_bhb_loop+0x15/0x70
<4>[  641.887211]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.887213] RIP: 0033:0x7b6f0df24ded
<4>[  641.887215] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.887217] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.887220] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.887221] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.887223] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.887224] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.887226] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.887366] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.889015]  i915_gem_execbuffer2_ioctl+0x15a/0x310 [i915]
<4>[  641.889501]  ? find_held_lock+0x31/0x90
<4>[  641.889504]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.889507]  ? lock_release+0xd4/0x2b0
<4>[  641.889511]  ? find_held_lock+0x31/0x90
<4>[  641.889513]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.889517]  ? lock_release+0xd4/0x2b0
<4>[  641.889522]  ? up_read+0x22/0x30
<4>[  641.889524]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.889528]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.889531]  ? irqentry_exit+0x77/0xb0
<4>[  641.889533]  ? clear_bhb_loop+0x15/0x70
<4>[  641.889535]  ? clear_bhb_loop+0x15/0x70
<4>[  641.889537]  ? clear_bhb_loop+0x15/0x70
<4>[  641.889539]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.889542] RIP: 0033:0x7b6f0df24ded
<4>[  641.889544] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.889546] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.889549] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.889550] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.889552] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.889553] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.889555] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.889699] Code: 75 c0 e8 ec 27 3f ff 8b 05 0a 74 55 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 ed 73 55 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  641.891844]  ? find_held_lock+0x31/0x90
<4>[  641.891846]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.891850]  ? lock_release+0xd4/0x2b0
<4>[  641.891855]  ? up_read+0x22/0x30
<4>[  641.891857]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.891861]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.891864]  ? irqentry_exit+0x77/0xb0
<4>[  641.891867]  ? clear_bhb_loop+0x15/0x70
<4>[  641.891869]  ? clear_bhb_loop+0x15/0x70
<4>[  641.891870]  ? clear_bhb_loop+0x15/0x70
<4>[  641.891873]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.891875] RIP: 0033:0x7b6f0df24ded
<4>[  641.891877] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.891879] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.891882] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.891883] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.891885] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.891886] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.891888] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.892027] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.893674]  i915_gem_execbuffer2_ioctl+0x15a/0x310 [i915]
<4>[  641.894160]  ? find_held_lock+0x31/0x90
<4>[  641.894162]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.894165]  ? lock_release+0xd4/0x2b0
<4>[  641.894169]  ? find_held_lock+0x31/0x90
<4>[  641.894172]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.894176]  ? lock_release+0xd4/0x2b0
<4>[  641.894180]  ? up_read+0x22/0x30
<4>[  641.894183]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.894186]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.894190]  ? irqentry_exit+0x77/0xb0
<4>[  641.894192]  ? clear_bhb_loop+0x15/0x70
<4>[  641.894194]  ? clear_bhb_loop+0x15/0x70
<4>[  641.894196]  ? clear_bhb_loop+0x15/0x70
<4>[  641.894198]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.894201] RIP: 0033:0x7b6f0df24ded
<4>[  641.894203] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.894205] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.894207] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.894209] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.894210] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.894212] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.894213] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.894348] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.894415]  __iommu_map+0x11e/0x2d0
<4>[  641.896460]  do_syscall_64+0x91/0x180
<4>[  641.896485]  ? find_held_lock+0x31/0x90
<4>[  641.896488]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.896491]  ? lock_release+0xd4/0x2b0
<4>[  641.896495]  ? find_held_lock+0x31/0x90
<4>[  641.896497]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.896501]  ? lock_release+0xd4/0x2b0
<4>[  641.896506]  ? up_read+0x22/0x30
<4>[  641.896508]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.896512]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.896515]  ? irqentry_exit+0x77/0xb0
<4>[  641.896517]  ? clear_bhb_loop+0x15/0x70
<4>[  641.896519]  ? clear_bhb_loop+0x15/0x70
<4>[  641.896521]  ? clear_bhb_loop+0x15/0x70
<4>[  641.896523]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.896526] RIP: 0033:0x7b6f0df24ded
<4>[  641.896528] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.896530] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.896532] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.896534] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.896536] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.896537] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.896539] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.896680] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.897386]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.898819]  ? find_held_lock+0x31/0x90
<4>[  641.898821]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.898824]  ? lock_release+0xd4/0x2b0
<4>[  641.898828]  ? find_held_lock+0x31/0x90
<4>[  641.898830]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.898834]  ? lock_release+0xd4/0x2b0
<4>[  641.898839]  ? up_read+0x22/0x30
<4>[  641.898841]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.898845]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.898848]  ? irqentry_exit+0x77/0xb0
<4>[  641.898851]  ? clear_bhb_loop+0x15/0x70
<4>[  641.898853]  ? clear_bhb_loop+0x15/0x70
<4>[  641.898854]  ? clear_bhb_loop+0x15/0x70
<4>[  641.898857]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.898859] RIP: 0033:0x7b6f0df24ded
<4>[  641.898861] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.898863] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.898866] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.898868] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.898869] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.898871] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.898872] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.899002] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.901144]  ? find_held_lock+0x31/0x90
<4>[  641.901146]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.901149]  ? lock_release+0xd4/0x2b0
<4>[  641.901153]  ? find_held_lock+0x31/0x90
<4>[  641.901156]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.901159]  ? lock_release+0xd4/0x2b0
<4>[  641.901164]  ? up_read+0x22/0x30
<4>[  641.901167]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.901170]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.901174]  ? irqentry_exit+0x77/0xb0
<4>[  641.901176]  ? clear_bhb_loop+0x15/0x70
<4>[  641.901178]  ? clear_bhb_loop+0x15/0x70
<4>[  641.901180]  ? clear_bhb_loop+0x15/0x70
<4>[  641.901182]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.901185] RIP: 0033:0x7b6f0df24ded
<4>[  641.901187] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.901189] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.901191] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.901193] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.901194] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.901196] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.901197] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.901336] Code: 75 c0 e8 ec 27 3f ff 8b 05 0a 74 55 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 ed 73 55 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  641.903474]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.903481]  ? find_held_lock+0x31/0x90
<4>[  641.903483]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.903487]  ? lock_release+0xd4/0x2b0
<4>[  641.903491]  ? up_read+0x22/0x30
<4>[  641.903494]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.903497]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.903501]  ? irqentry_exit+0x77/0xb0
<4>[  641.903503]  ? clear_bhb_loop+0x15/0x70
<4>[  641.903505]  ? clear_bhb_loop+0x15/0x70
<4>[  641.903507]  ? clear_bhb_loop+0x15/0x70
<4>[  641.903509]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.903512] RIP: 0033:0x7b6f0df24ded
<4>[  641.903514] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.903516] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.903518] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.903520] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.903521] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.903523] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.903653]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.905773]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.905806]  ? find_held_lock+0x31/0x90
<4>[  641.905809]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.905812]  ? lock_release+0xd4/0x2b0
<4>[  641.905816]  ? find_held_lock+0x31/0x90
<4>[  641.905818]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.905822]  ? lock_release+0xd4/0x2b0
<4>[  641.905827]  ? up_read+0x22/0x30
<4>[  641.905829]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.905833]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.905836]  ? irqentry_exit+0x77/0xb0
<4>[  641.905838]  ? clear_bhb_loop+0x15/0x70
<4>[  641.905840]  ? clear_bhb_loop+0x15/0x70
<4>[  641.905842]  ? clear_bhb_loop+0x15/0x70
<4>[  641.905844]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.905847] RIP: 0033:0x7b6f0df24ded
<4>[  641.905849] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.905851] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.905854] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.905855] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.905857] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.905858] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.905860] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.905983]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.908124]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.908130]  ? find_held_lock+0x31/0x90
<4>[  641.908132]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.908135]  ? lock_release+0xd4/0x2b0
<4>[  641.908139]  ? find_held_lock+0x31/0x90
<4>[  641.908142]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.908145]  ? lock_release+0xd4/0x2b0
<4>[  641.908150]  ? up_read+0x22/0x30
<4>[  641.908152]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.908156]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.908159]  ? irqentry_exit+0x77/0xb0
<4>[  641.908162]  ? clear_bhb_loop+0x15/0x70
<4>[  641.908164]  ? clear_bhb_loop+0x15/0x70
<4>[  641.908165]  ? clear_bhb_loop+0x15/0x70
<4>[  641.908168]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.908171] RIP: 0033:0x7b6f0df24ded
<4>[  641.908173] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.908174] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.908177] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.908179] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.908180] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.908182] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.908197] softirqs last  enabled at (263109320): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.908374]  ? intel_iommu_map_pages+0x664/0x820
<4>[  641.910449]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.910455]  ? find_held_lock+0x31/0x90
<4>[  641.910457]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.910460]  ? lock_release+0xd4/0x2b0
<4>[  641.910464]  ? find_held_lock+0x31/0x90
<4>[  641.910467]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.910470]  ? lock_release+0xd4/0x2b0
<4>[  641.910475]  ? up_read+0x22/0x30
<4>[  641.910477]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.910481]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.910484]  ? irqentry_exit+0x77/0xb0
<4>[  641.910487]  ? clear_bhb_loop+0x15/0x70
<4>[  641.910489]  ? clear_bhb_loop+0x15/0x70
<4>[  641.910490]  ? clear_bhb_loop+0x15/0x70
<4>[  641.910493]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.910495] RIP: 0033:0x7b6f0df24ded
<4>[  641.910497] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.910499] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.910502] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.910503] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.910505] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.910506] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.910517] hardirqs last  enabled at (263141093): [<ffffffff814a5d09>] __up_console_sem+0x79/0xa0
<4>[  641.910674]  ? show_regs+0x6c/0x80
<4>[  641.912755]  __x64_sys_ioctl+0xa4/0xe0
<4>[  641.912787]  ? find_held_lock+0x31/0x90
<4>[  641.912790]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.912793]  ? lock_release+0xd4/0x2b0
<4>[  641.912797]  ? find_held_lock+0x31/0x90
<4>[  641.912799]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.912803]  ? lock_release+0xd4/0x2b0
<4>[  641.912808]  ? up_read+0x22/0x30
<4>[  641.912810]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.912814]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.912817]  ? irqentry_exit+0x77/0xb0
<4>[  641.912819]  ? clear_bhb_loop+0x15/0x70
<4>[  641.912821]  ? clear_bhb_loop+0x15/0x70
<4>[  641.912823]  ? clear_bhb_loop+0x15/0x70
<4>[  641.912825]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.912828] RIP: 0033:0x7b6f0df24ded
<4>[  641.912830] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.912832] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.912834] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.912836] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.912838] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.912839] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.912841] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.912963]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.915106]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.915112]  ? find_held_lock+0x31/0x90
<4>[  641.915114]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.915117]  ? lock_release+0xd4/0x2b0
<4>[  641.915121]  ? find_held_lock+0x31/0x90
<4>[  641.915124]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.915128]  ? lock_release+0xd4/0x2b0
<4>[  641.915132]  ? up_read+0x22/0x30
<4>[  641.915135]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.915138]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.915142]  ? irqentry_exit+0x77/0xb0
<4>[  641.915144]  ? clear_bhb_loop+0x15/0x70
<4>[  641.915146]  ? clear_bhb_loop+0x15/0x70
<4>[  641.915148]  ? clear_bhb_loop+0x15/0x70
<4>[  641.915150]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.915153] RIP: 0033:0x7b6f0df24ded
<4>[  641.915155] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.915157] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.915159] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.915161] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.915162] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.915164] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.915181] softirqs last disabled at (263109315): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.915861]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  641.917436]  ? find_held_lock+0x31/0x90
<4>[  641.917438]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.917441]  ? lock_release+0xd4/0x2b0
<4>[  641.917445]  ? find_held_lock+0x31/0x90
<4>[  641.917447]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.917451]  ? lock_release+0xd4/0x2b0
<4>[  641.917456]  ? up_read+0x22/0x30
<4>[  641.917458]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.917462]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.917465]  ? irqentry_exit+0x77/0xb0
<4>[  641.917468]  ? clear_bhb_loop+0x15/0x70
<4>[  641.917470]  ? clear_bhb_loop+0x15/0x70
<4>[  641.917471]  ? clear_bhb_loop+0x15/0x70
<4>[  641.917474]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.917476] RIP: 0033:0x7b6f0df24ded
<4>[  641.917478] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.917480] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.917483] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.917484] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.917486] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.917487] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.917489] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.917627] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.917647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.919764]  ? do_syscall_64+0x9d/0x180
<4>[  641.919767]  ? find_held_lock+0x31/0x90
<4>[  641.919769]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.919772]  ? lock_release+0xd4/0x2b0
<4>[  641.919776]  ? find_held_lock+0x31/0x90
<4>[  641.919778]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.919782]  ? lock_release+0xd4/0x2b0
<4>[  641.919787]  ? up_read+0x22/0x30
<4>[  641.919789]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.919793]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.919796]  ? irqentry_exit+0x77/0xb0
<4>[  641.919799]  ? clear_bhb_loop+0x15/0x70
<4>[  641.919801]  ? clear_bhb_loop+0x15/0x70
<4>[  641.919802]  ? clear_bhb_loop+0x15/0x70
<4>[  641.919805]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.919807] RIP: 0033:0x7b6f0df24ded
<4>[  641.919809] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.919811] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.919814] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.919815] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.919817] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.919818] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.919827]  </TASK>
<4>[  641.919834] softirqs last  enabled at (263109320): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.920665]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.922093]  ? find_held_lock+0x31/0x90
<4>[  641.922095]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.922098]  ? lock_release+0xd4/0x2b0
<4>[  641.922102]  ? find_held_lock+0x31/0x90
<4>[  641.922105]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.922109]  ? lock_release+0xd4/0x2b0
<4>[  641.922113]  ? up_read+0x22/0x30
<4>[  641.922116]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.922119]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.922123]  ? irqentry_exit+0x77/0xb0
<4>[  641.922125]  ? clear_bhb_loop+0x15/0x70
<4>[  641.922127]  ? clear_bhb_loop+0x15/0x70
<4>[  641.922129]  ? clear_bhb_loop+0x15/0x70
<4>[  641.922131]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.922134] RIP: 0033:0x7b6f0df24ded
<4>[  641.922136] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.922137] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.922140] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.922142] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.922143] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.922145] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.922146] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.922276] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  641.924419]  ? find_held_lock+0x31/0x90
<4>[  641.924422]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.924424]  ? lock_release+0xd4/0x2b0
<4>[  641.924429]  ? find_held_lock+0x31/0x90
<4>[  641.924431]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.924435]  ? lock_release+0xd4/0x2b0
<4>[  641.924439]  ? up_read+0x22/0x30
<4>[  641.924442]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.924445]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.924449]  ? irqentry_exit+0x77/0xb0
<4>[  641.924451]  ? clear_bhb_loop+0x15/0x70
<4>[  641.924453]  ? clear_bhb_loop+0x15/0x70
<4>[  641.924455]  ? clear_bhb_loop+0x15/0x70
<4>[  641.924457]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.924460] RIP: 0033:0x7b6f0df24ded
<4>[  641.924462] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.924463] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.924466] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.924468] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.924469] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.924471] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.924472] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.924612] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.924692]  iommu_dma_map_sg+0x43b/0x520
<4>[  641.926737]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.926751]  ? find_held_lock+0x31/0x90
<4>[  641.926754]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.926757]  ? lock_release+0xd4/0x2b0
<4>[  641.926761]  ? find_held_lock+0x31/0x90
<4>[  641.926763]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.926767]  ? lock_release+0xd4/0x2b0
<4>[  641.926772]  ? up_read+0x22/0x30
<4>[  641.926774]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.926778]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.926781]  ? irqentry_exit+0x77/0xb0
<4>[  641.926783]  ? clear_bhb_loop+0x15/0x70
<4>[  641.926785]  ? clear_bhb_loop+0x15/0x70
<4>[  641.926787]  ? clear_bhb_loop+0x15/0x70
<4>[  641.926789]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.926792] RIP: 0033:0x7b6f0df24ded
<4>[  641.926794] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.926796] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.926798] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.926800] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.926801] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.926803] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.926805] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.926944] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.928561]  ? find_held_lock+0x31/0x90
<4>[  641.929070]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.929076]  ? find_held_lock+0x31/0x90
<4>[  641.929079]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.929082]  ? lock_release+0xd4/0x2b0
<4>[  641.929086]  ? find_held_lock+0x31/0x90
<4>[  641.929088]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.929092]  ? lock_release+0xd4/0x2b0
<4>[  641.929097]  ? up_read+0x22/0x30
<4>[  641.929099]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.929102]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.929106]  ? irqentry_exit+0x77/0xb0
<4>[  641.929108]  ? clear_bhb_loop+0x15/0x70
<4>[  641.929110]  ? clear_bhb_loop+0x15/0x70
<4>[  641.929112]  ? clear_bhb_loop+0x15/0x70
<4>[  641.929114]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.929117] RIP: 0033:0x7b6f0df24ded
<4>[  641.929119] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.929121] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.929123] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.929125] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.929126] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.929128] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.929139] hardirqs last  enabled at (263150091): [<ffffffff814a5d09>] __up_console_sem+0x79/0xa0
<4>[  641.929286] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  641.931403]  ? find_held_lock+0x31/0x90
<4>[  641.931406]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.931409]  ? lock_release+0xd4/0x2b0
<4>[  641.931413]  ? find_held_lock+0x31/0x90
<4>[  641.931415]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.931419]  ? lock_release+0xd4/0x2b0
<4>[  641.931423]  ? up_read+0x22/0x30
<4>[  641.931426]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.931429]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.931433]  ? irqentry_exit+0x77/0xb0
<4>[  641.931435]  ? clear_bhb_loop+0x15/0x70
<4>[  641.931437]  ? clear_bhb_loop+0x15/0x70
<4>[  641.931439]  ? clear_bhb_loop+0x15/0x70
<4>[  641.931441]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.931444] RIP: 0033:0x7b6f0df24ded
<4>[  641.931446] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.931448] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.931450] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.931452] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.931453] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.931455] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.931456] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.931599] Code: 75 c0 e8 ec 27 3f ff 8b 05 0a 74 55 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 ed 73 55 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  641.933748]  ? find_held_lock+0x31/0x90
<4>[  641.933751]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.933754]  ? lock_release+0xd4/0x2b0
<4>[  641.933759]  ? up_read+0x22/0x30
<4>[  641.933761]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.933765]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.933768]  ? irqentry_exit+0x77/0xb0
<4>[  641.933771]  ? clear_bhb_loop+0x15/0x70
<4>[  641.933773]  ? clear_bhb_loop+0x15/0x70
<4>[  641.933774]  ? clear_bhb_loop+0x15/0x70
<4>[  641.933777]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.933780] RIP: 0033:0x7b6f0df24ded
<4>[  641.933782] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.933784] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.933786] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.933788] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.933790] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.933791] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.933793] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.933933] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.935727]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.936066]  ? find_held_lock+0x31/0x90
<4>[  641.936069]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.936072]  ? lock_release+0xd4/0x2b0
<4>[  641.936076]  ? find_held_lock+0x31/0x90
<4>[  641.936078]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.936082]  ? lock_release+0xd4/0x2b0
<4>[  641.936087]  ? up_read+0x22/0x30
<4>[  641.936089]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.936093]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.936096]  ? irqentry_exit+0x77/0xb0
<4>[  641.936099]  ? clear_bhb_loop+0x15/0x70
<4>[  641.936100]  ? clear_bhb_loop+0x15/0x70
<4>[  641.936102]  ? clear_bhb_loop+0x15/0x70
<4>[  641.936105]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.936107] RIP: 0033:0x7b6f0df24ded
<4>[  641.936109] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.936111] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.936114] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.936115] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.936117] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.936118] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.936120] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.936255] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.936965]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.938392]  ? find_held_lock+0x31/0x90
<4>[  641.938395]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.938397]  ? lock_release+0xd4/0x2b0
<4>[  641.938402]  ? find_held_lock+0x31/0x90
<4>[  641.938404]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.938408]  ? lock_release+0xd4/0x2b0
<4>[  641.938412]  ? up_read+0x22/0x30
<4>[  641.938415]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.938418]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.938422]  ? irqentry_exit+0x77/0xb0
<4>[  641.938424]  ? clear_bhb_loop+0x15/0x70
<4>[  641.938426]  ? clear_bhb_loop+0x15/0x70
<4>[  641.938428]  ? clear_bhb_loop+0x15/0x70
<4>[  641.938430]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.938433] RIP: 0033:0x7b6f0df24ded
<4>[  641.938435] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.938437] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.938439] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.938441] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.938442] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.938444] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.938446] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.938586] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.938676]  dma_map_sgtable+0x1d/0x40
<4>[  641.940712]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.940727]  ? find_held_lock+0x31/0x90
<4>[  641.940729]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.940732]  ? lock_release+0xd4/0x2b0
<4>[  641.940737]  ? find_held_lock+0x31/0x90
<4>[  641.940739]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.940743]  ? lock_release+0xd4/0x2b0
<4>[  641.940748]  ? up_read+0x22/0x30
<4>[  641.940750]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.940754]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.940757]  ? irqentry_exit+0x77/0xb0
<4>[  641.940759]  ? clear_bhb_loop+0x15/0x70
<4>[  641.940761]  ? clear_bhb_loop+0x15/0x70
<4>[  641.940763]  ? clear_bhb_loop+0x15/0x70
<4>[  641.940766]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.940768] RIP: 0033:0x7b6f0df24ded
<4>[  641.940770] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.940772] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.940775] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.940776] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.940778] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.940779] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.940781] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.940917] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.941473]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  641.943057]  ? find_held_lock+0x31/0x90
<4>[  641.943060]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.943063]  ? lock_release+0xd4/0x2b0
<4>[  641.943067]  ? find_held_lock+0x31/0x90
<4>[  641.943069]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.943073]  ? lock_release+0xd4/0x2b0
<4>[  641.943078]  ? up_read+0x22/0x30
<4>[  641.943080]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.943084]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.943087]  ? irqentry_exit+0x77/0xb0
<4>[  641.943090]  ? clear_bhb_loop+0x15/0x70
<4>[  641.943091]  ? clear_bhb_loop+0x15/0x70
<4>[  641.943093]  ? clear_bhb_loop+0x15/0x70
<4>[  641.943096]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.943098] RIP: 0033:0x7b6f0df24ded
<4>[  641.943100] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.943102] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.943105] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.943106] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.943108] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.943109] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.943111] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.943243] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.943263] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.945384]  ? find_held_lock+0x31/0x90
<4>[  641.945386]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.945389]  ? lock_release+0xd4/0x2b0
<4>[  641.945393]  ? find_held_lock+0x31/0x90
<4>[  641.945395]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.945399]  ? lock_release+0xd4/0x2b0
<4>[  641.945404]  ? up_read+0x22/0x30
<4>[  641.945406]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.945410]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.945413]  ? irqentry_exit+0x77/0xb0
<4>[  641.945416]  ? clear_bhb_loop+0x15/0x70
<4>[  641.945418]  ? clear_bhb_loop+0x15/0x70
<4>[  641.945419]  ? clear_bhb_loop+0x15/0x70
<4>[  641.945422]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.945425] RIP: 0033:0x7b6f0df24ded
<4>[  641.945426] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.945428] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.945431] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.945433] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.945434] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.945436] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.945437] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.945565]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.947709]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  641.947719]  ? find_held_lock+0x31/0x90
<4>[  641.947721]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.947724]  ? lock_release+0xd4/0x2b0
<4>[  641.947729]  ? find_held_lock+0x31/0x90
<4>[  641.947731]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.947735]  ? lock_release+0xd4/0x2b0
<4>[  641.947740]  ? up_read+0x22/0x30
<4>[  641.947742]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.947745]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.947749]  ? irqentry_exit+0x77/0xb0
<4>[  641.947751]  ? clear_bhb_loop+0x15/0x70
<4>[  641.947753]  ? clear_bhb_loop+0x15/0x70
<4>[  641.947755]  ? clear_bhb_loop+0x15/0x70
<4>[  641.947758]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.947760] RIP: 0033:0x7b6f0df24ded
<4>[  641.947762] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.947764] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.947767] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.947768] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.947770] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.947771] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.947773] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.947914] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.949709]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.950049]  ? find_held_lock+0x31/0x90
<4>[  641.950052]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.950054]  ? lock_release+0xd4/0x2b0
<4>[  641.950059]  ? find_held_lock+0x31/0x90
<4>[  641.950061]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.950065]  ? lock_release+0xd4/0x2b0
<4>[  641.950070]  ? up_read+0x22/0x30
<4>[  641.950072]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.950075]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.950079]  ? irqentry_exit+0x77/0xb0
<4>[  641.950081]  ? clear_bhb_loop+0x15/0x70
<4>[  641.950083]  ? clear_bhb_loop+0x15/0x70
<4>[  641.950085]  ? clear_bhb_loop+0x15/0x70
<4>[  641.950087]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.950090] RIP: 0033:0x7b6f0df24ded
<4>[  641.950092] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.950094] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.950096] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.950098] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.950100] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.950101] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.950110]  </TASK>
<4>[  641.950117] softirqs last  enabled at (263109320): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  641.950482]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.952376]  ? find_held_lock+0x31/0x90
<4>[  641.952379]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.952381]  ? lock_release+0xd4/0x2b0
<4>[  641.952386]  ? find_held_lock+0x31/0x90
<4>[  641.952388]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.952392]  ? lock_release+0xd4/0x2b0
<4>[  641.952396]  ? up_read+0x22/0x30
<4>[  641.952399]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.952402]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.952406]  ? irqentry_exit+0x77/0xb0
<4>[  641.952408]  ? clear_bhb_loop+0x15/0x70
<4>[  641.952410]  ? clear_bhb_loop+0x15/0x70
<4>[  641.952412]  ? clear_bhb_loop+0x15/0x70
<4>[  641.952414]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.952417] RIP: 0033:0x7b6f0df24ded
<4>[  641.952419] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.952421] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.952423] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.952425] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.952427] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.952428] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.952430] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.952558]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.954693]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.954708]  ? find_held_lock+0x31/0x90
<4>[  641.954710]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.954713]  ? lock_release+0xd4/0x2b0
<4>[  641.954717]  ? find_held_lock+0x31/0x90
<4>[  641.954720]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.954724]  ? lock_release+0xd4/0x2b0
<4>[  641.954728]  ? up_read+0x22/0x30
<4>[  641.954731]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.954734]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.954738]  ? irqentry_exit+0x77/0xb0
<4>[  641.954740]  ? clear_bhb_loop+0x15/0x70
<4>[  641.954742]  ? clear_bhb_loop+0x15/0x70
<4>[  641.954744]  ? clear_bhb_loop+0x15/0x70
<4>[  641.954747]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.954749] RIP: 0033:0x7b6f0df24ded
<4>[  641.954751] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.954753] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.954756] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.954757] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.954759] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.954760] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.954762] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.954901] Code: 75 c0 e8 ec 27 3f ff 8b 05 0a 74 55 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 ed 73 55 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  641.957046]  ? find_held_lock+0x31/0x90
<4>[  641.957048]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.957052]  ? lock_release+0xd4/0x2b0
<4>[  641.957057]  ? up_read+0x22/0x30
<4>[  641.957059]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.957063]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.957066]  ? irqentry_exit+0x77/0xb0
<4>[  641.957069]  ? clear_bhb_loop+0x15/0x70
<4>[  641.957071]  ? clear_bhb_loop+0x15/0x70
<4>[  641.957072]  ? clear_bhb_loop+0x15/0x70
<4>[  641.957075]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.957077] RIP: 0033:0x7b6f0df24ded
<4>[  641.957079] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.957081] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.957084] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.957085] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.957087] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.957088] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.957098] irq event stamp: 263163581
<4>[  641.957212]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.959336]  x64_sys_call+0x131e/0x2650
<4>[  641.959364]  ? find_held_lock+0x31/0x90
<4>[  641.959367]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.959370]  ? lock_release+0xd4/0x2b0
<4>[  641.959374]  ? find_held_lock+0x31/0x90
<4>[  641.959376]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.959380]  ? lock_release+0xd4/0x2b0
<4>[  641.959385]  ? up_read+0x22/0x30
<4>[  641.959387]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.959391]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.959394]  ? irqentry_exit+0x77/0xb0
<4>[  641.959397]  ? clear_bhb_loop+0x15/0x70
<4>[  641.959398]  ? clear_bhb_loop+0x15/0x70
<4>[  641.959400]  ? clear_bhb_loop+0x15/0x70
<4>[  641.959403]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.959405] RIP: 0033:0x7b6f0df24ded
<4>[  641.959407] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.959409] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.959412] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.959413] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.959415] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.959416] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.959418] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.959556] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X220.B00.2103302221 03/30/2021
<4>[  641.961698]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.961701]  ? lock_release+0xd4/0x2b0
<4>[  641.961705]  ? find_held_lock+0x31/0x90
<4>[  641.961707]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.961711]  ? lock_release+0xd4/0x2b0
<4>[  641.961716]  ? up_read+0x22/0x30
<4>[  641.961718]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.961722]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.961725]  ? irqentry_exit+0x77/0xb0
<4>[  641.961728]  ? clear_bhb_loop+0x15/0x70
<4>[  641.961730]  ? clear_bhb_loop+0x15/0x70
<4>[  641.961731]  ? clear_bhb_loop+0x15/0x70
<4>[  641.961734]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.961737] RIP: 0033:0x7b6f0df24ded
<4>[  641.961739] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.961741] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.961743] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.961745] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.961747] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.961748] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.961750] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.961886] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.962595]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  641.964022]  ? find_held_lock+0x31/0x90
<4>[  641.964025]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.964028]  ? lock_release+0xd4/0x2b0
<4>[  641.964032]  ? find_held_lock+0x31/0x90
<4>[  641.964034]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.964038]  ? lock_release+0xd4/0x2b0
<4>[  641.964043]  ? up_read+0x22/0x30
<4>[  641.964045]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.964049]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.964052]  ? irqentry_exit+0x77/0xb0
<4>[  641.964055]  ? clear_bhb_loop+0x15/0x70
<4>[  641.964056]  ? clear_bhb_loop+0x15/0x70
<4>[  641.964058]  ? clear_bhb_loop+0x15/0x70
<4>[  641.964061]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.964063] RIP: 0033:0x7b6f0df24ded
<4>[  641.964065] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.964067] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.964070] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.964071] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.964073] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.964074] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.964076] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.964208] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.964228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.966346]  ? do_syscall_64+0x9d/0x180
<4>[  641.966348]  ? find_held_lock+0x31/0x90
<4>[  641.966351]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.966353]  ? lock_release+0xd4/0x2b0
<4>[  641.966357]  ? find_held_lock+0x31/0x90
<4>[  641.966360]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.966364]  ? lock_release+0xd4/0x2b0
<4>[  641.966368]  ? up_read+0x22/0x30
<4>[  641.966371]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.966374]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.966378]  ? irqentry_exit+0x77/0xb0
<4>[  641.966380]  ? clear_bhb_loop+0x15/0x70
<4>[  641.966382]  ? clear_bhb_loop+0x15/0x70
<4>[  641.966384]  ? clear_bhb_loop+0x15/0x70
<4>[  641.966386]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.966389] RIP: 0033:0x7b6f0df24ded
<4>[  641.966391] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.966393] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.966395] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.966397] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.966398] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.966400] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.966401] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.966541] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.968483]  drm_ioctl_kernel+0xb9/0x120
<4>[  641.968681]  ? find_held_lock+0x31/0x90
<4>[  641.968683]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.968686]  ? lock_release+0xd4/0x2b0
<4>[  641.968690]  ? find_held_lock+0x31/0x90
<4>[  641.968693]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.968697]  ? lock_release+0xd4/0x2b0
<4>[  641.968701]  ? up_read+0x22/0x30
<4>[  641.968704]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.968707]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.968711]  ? irqentry_exit+0x77/0xb0
<4>[  641.968713]  ? clear_bhb_loop+0x15/0x70
<4>[  641.968715]  ? clear_bhb_loop+0x15/0x70
<4>[  641.968717]  ? clear_bhb_loop+0x15/0x70
<4>[  641.968720]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.968722] RIP: 0033:0x7b6f0df24ded
<4>[  641.968724] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.968726] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.968728] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.968730] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.968732] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.968733] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.968735] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.968868] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  641.968888] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  641.971006]  ? do_syscall_64+0x9d/0x180
<4>[  641.971009]  ? find_held_lock+0x31/0x90
<4>[  641.971011]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.971014]  ? lock_release+0xd4/0x2b0
<4>[  641.971018]  ? find_held_lock+0x31/0x90
<4>[  641.971021]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.971024]  ? lock_release+0xd4/0x2b0
<4>[  641.971029]  ? up_read+0x22/0x30
<4>[  641.971031]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.971035]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.971039]  ? irqentry_exit+0x77/0xb0
<4>[  641.971041]  ? clear_bhb_loop+0x15/0x70
<4>[  641.971043]  ? clear_bhb_loop+0x15/0x70
<4>[  641.971044]  ? clear_bhb_loop+0x15/0x70
<4>[  641.971047]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.971050] RIP: 0033:0x7b6f0df24ded
<4>[  641.971052] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.971053] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.971056] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.971058] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.971059] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.971061] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.971062] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.971202] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.972997]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  641.973335]  ? find_held_lock+0x31/0x90
<4>[  641.973338]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.973341]  ? lock_release+0xd4/0x2b0
<4>[  641.973345]  ? find_held_lock+0x31/0x90
<4>[  641.973347]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.973351]  ? lock_release+0xd4/0x2b0
<4>[  641.973356]  ? up_read+0x22/0x30
<4>[  641.973358]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.973362]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.973365]  ? irqentry_exit+0x77/0xb0
<4>[  641.973367]  ? clear_bhb_loop+0x15/0x70
<4>[  641.973369]  ? clear_bhb_loop+0x15/0x70
<4>[  641.973371]  ? clear_bhb_loop+0x15/0x70
<4>[  641.973373]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.973376] RIP: 0033:0x7b6f0df24ded
<4>[  641.973378] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.973380] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.973382] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.973384] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.973385] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.973387] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.973389] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.973528] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  641.975148]  ? find_held_lock+0x31/0x90
<4>[  641.975666]  ? do_syscall_64+0x9d/0x180
<4>[  641.975668]  ? find_held_lock+0x31/0x90
<4>[  641.975671]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.975674]  ? lock_release+0xd4/0x2b0
<4>[  641.975678]  ? find_held_lock+0x31/0x90
<4>[  641.975680]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.975684]  ? lock_release+0xd4/0x2b0
<4>[  641.975689]  ? up_read+0x22/0x30
<4>[  641.975691]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.975695]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.975698]  ? irqentry_exit+0x77/0xb0
<4>[  641.975701]  ? clear_bhb_loop+0x15/0x70
<4>[  641.975702]  ? clear_bhb_loop+0x15/0x70
<4>[  641.975704]  ? clear_bhb_loop+0x15/0x70
<4>[  641.975707]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.975710] RIP: 0033:0x7b6f0df24ded
<4>[  641.975712] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.975713] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.975716] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.975718] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.975719] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.975721] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.975731] irq event stamp: 263172579
<4>[  641.975845]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.977968]  do_syscall_64+0x91/0x180
<4>[  641.977994]  ? find_held_lock+0x31/0x90
<4>[  641.977996]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.977999]  ? lock_release+0xd4/0x2b0
<4>[  641.978003]  ? find_held_lock+0x31/0x90
<4>[  641.978006]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.978009]  ? lock_release+0xd4/0x2b0
<4>[  641.978014]  ? up_read+0x22/0x30
<4>[  641.978017]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.978020]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.978023]  ? irqentry_exit+0x77/0xb0
<4>[  641.978026]  ? clear_bhb_loop+0x15/0x70
<4>[  641.978028]  ? clear_bhb_loop+0x15/0x70
<4>[  641.978029]  ? clear_bhb_loop+0x15/0x70
<4>[  641.978032]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.978034] RIP: 0033:0x7b6f0df24ded
<4>[  641.978036] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.978038] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.978041] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.978042] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.978044] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.978046] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.978047] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.978180] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X220.B00.2103302221 03/30/2021
<4>[  641.980323]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.980326]  ? lock_release+0xd4/0x2b0
<4>[  641.980330]  ? find_held_lock+0x31/0x90
<4>[  641.980332]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.980336]  ? lock_release+0xd4/0x2b0
<4>[  641.980341]  ? up_read+0x22/0x30
<4>[  641.980343]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.980346]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.980350]  ? irqentry_exit+0x77/0xb0
<4>[  641.980352]  ? clear_bhb_loop+0x15/0x70
<4>[  641.980354]  ? clear_bhb_loop+0x15/0x70
<4>[  641.980356]  ? clear_bhb_loop+0x15/0x70
<4>[  641.980359]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.980361] RIP: 0033:0x7b6f0df24ded
<4>[  641.980363] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.980365] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.980368] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.980369] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.980371] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.980372] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.980374] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.980509] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.981069]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  641.982653]  ? find_held_lock+0x31/0x90
<4>[  641.982655]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.982658]  ? lock_release+0xd4/0x2b0
<4>[  641.982662]  ? find_held_lock+0x31/0x90
<4>[  641.982664]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.982668]  ? lock_release+0xd4/0x2b0
<4>[  641.982673]  ? up_read+0x22/0x30
<4>[  641.982675]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.982679]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.982683]  ? irqentry_exit+0x77/0xb0
<4>[  641.982685]  ? clear_bhb_loop+0x15/0x70
<4>[  641.982687]  ? clear_bhb_loop+0x15/0x70
<4>[  641.982689]  ? clear_bhb_loop+0x15/0x70
<4>[  641.982691]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.982694] RIP: 0033:0x7b6f0df24ded
<4>[  641.982696] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.982698] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.982700] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.982702] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.982704] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.982705] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.982707] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.982842] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.982920]  iommu_dma_map_sg+0x43b/0x520
<4>[  641.984965]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.984980]  ? find_held_lock+0x31/0x90
<4>[  641.984982]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.984985]  ? lock_release+0xd4/0x2b0
<4>[  641.984989]  ? find_held_lock+0x31/0x90
<4>[  641.984991]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.984995]  ? lock_release+0xd4/0x2b0
<4>[  641.985000]  ? up_read+0x22/0x30
<4>[  641.985002]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.985006]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.985009]  ? irqentry_exit+0x77/0xb0
<4>[  641.985012]  ? clear_bhb_loop+0x15/0x70
<4>[  641.985014]  ? clear_bhb_loop+0x15/0x70
<4>[  641.985015]  ? clear_bhb_loop+0x15/0x70
<4>[  641.985018]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.985021] RIP: 0033:0x7b6f0df24ded
<4>[  641.985022] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.985024] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.985027] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.985028] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.985030] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.985031] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.985033] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.985168] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.985728]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  641.987304]  ? find_held_lock+0x31/0x90
<4>[  641.987306]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.987309]  ? lock_release+0xd4/0x2b0
<4>[  641.987313]  ? find_held_lock+0x31/0x90
<4>[  641.987315]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.987319]  ? lock_release+0xd4/0x2b0
<4>[  641.987324]  ? up_read+0x22/0x30
<4>[  641.987326]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.987330]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.987333]  ? irqentry_exit+0x77/0xb0
<4>[  641.987336]  ? clear_bhb_loop+0x15/0x70
<4>[  641.987338]  ? clear_bhb_loop+0x15/0x70
<4>[  641.987339]  ? clear_bhb_loop+0x15/0x70
<4>[  641.987342]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.987345] RIP: 0033:0x7b6f0df24ded
<4>[  641.987347] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.987349] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.987351] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.987353] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.987354] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.987356] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.987357] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.987492] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.987742]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  641.989635]  ? find_held_lock+0x31/0x90
<4>[  641.989638]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.989641]  ? lock_release+0xd4/0x2b0
<4>[  641.989645]  ? find_held_lock+0x31/0x90
<4>[  641.989647]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.989651]  ? lock_release+0xd4/0x2b0
<4>[  641.989656]  ? up_read+0x22/0x30
<4>[  641.989658]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.989662]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.989665]  ? irqentry_exit+0x77/0xb0
<4>[  641.989668]  ? clear_bhb_loop+0x15/0x70
<4>[  641.989670]  ? clear_bhb_loop+0x15/0x70
<4>[  641.989671]  ? clear_bhb_loop+0x15/0x70
<4>[  641.989674]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.989677] RIP: 0033:0x7b6f0df24ded
<4>[  641.989679] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.989681] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.989683] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.989685] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.989686] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.989688] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.989689] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.989813]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  641.991957]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  641.991963]  ? find_held_lock+0x31/0x90
<4>[  641.991966]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.991969]  ? lock_release+0xd4/0x2b0
<4>[  641.991973]  ? find_held_lock+0x31/0x90
<4>[  641.991975]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.991979]  ? lock_release+0xd4/0x2b0
<4>[  641.991984]  ? up_read+0x22/0x30
<4>[  641.991986]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.991989]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.991993]  ? irqentry_exit+0x77/0xb0
<4>[  641.991995]  ? clear_bhb_loop+0x15/0x70
<4>[  641.991997]  ? clear_bhb_loop+0x15/0x70
<4>[  641.991999]  ? clear_bhb_loop+0x15/0x70
<4>[  641.992001]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.992004] RIP: 0033:0x7b6f0df24ded
<4>[  641.992006] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.992008] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.992010] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.992012] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.992013] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.992015] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.992026] hardirqs last  enabled at (263180457): [<ffffffff814a5d09>] __up_console_sem+0x79/0xa0
<4>[  641.992240]  dma_map_sgtable+0x1d/0x40
<4>[  641.994276]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.994291]  ? find_held_lock+0x31/0x90
<4>[  641.994293]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.994296]  ? lock_release+0xd4/0x2b0
<4>[  641.994300]  ? find_held_lock+0x31/0x90
<4>[  641.994302]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.994306]  ? lock_release+0xd4/0x2b0
<4>[  641.994311]  ? up_read+0x22/0x30
<4>[  641.994313]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.994317]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.994320]  ? irqentry_exit+0x77/0xb0
<4>[  641.994323]  ? clear_bhb_loop+0x15/0x70
<4>[  641.994324]  ? clear_bhb_loop+0x15/0x70
<4>[  641.994326]  ? clear_bhb_loop+0x15/0x70
<4>[  641.994329]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.994331] RIP: 0033:0x7b6f0df24ded
<4>[  641.994333] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.994335] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.994338] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.994339] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.994341] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.994342] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.994344] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.994479] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.994573]  dma_map_sgtable+0x1d/0x40
<4>[  641.996607]  ? __vm_munmap+0xd7/0x1b0
<4>[  641.996622]  ? find_held_lock+0x31/0x90
<4>[  641.996624]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.996627]  ? lock_release+0xd4/0x2b0
<4>[  641.996631]  ? find_held_lock+0x31/0x90
<4>[  641.996634]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.996637]  ? lock_release+0xd4/0x2b0
<4>[  641.996642]  ? up_read+0x22/0x30
<4>[  641.996645]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.996648]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.996652]  ? irqentry_exit+0x77/0xb0
<4>[  641.996654]  ? clear_bhb_loop+0x15/0x70
<4>[  641.996656]  ? clear_bhb_loop+0x15/0x70
<4>[  641.996658]  ? clear_bhb_loop+0x15/0x70
<4>[  641.996660]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.996663] RIP: 0033:0x7b6f0df24ded
<4>[  641.996665] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.996667] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.996669] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.996671] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.996673] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.996674] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.996676] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.996811] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  641.997207]  i915_ttm_get_pages+0x121/0x180 [i915]
<4>[  641.998948]  ? find_held_lock+0x31/0x90
<4>[  641.998950]  ? rcu_read_unlock+0x1c/0x80
<4>[  641.998953]  ? lock_release+0xd4/0x2b0
<4>[  641.998957]  ? find_held_lock+0x31/0x90
<4>[  641.998959]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.998963]  ? lock_release+0xd4/0x2b0
<4>[  641.998968]  ? up_read+0x22/0x30
<4>[  641.998970]  ? do_user_addr_fault+0x303/0x9d0
<4>[  641.998974]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  641.998977]  ? irqentry_exit+0x77/0xb0
<4>[  641.998980]  ? clear_bhb_loop+0x15/0x70
<4>[  641.998982]  ? clear_bhb_loop+0x15/0x70
<4>[  641.998983]  ? clear_bhb_loop+0x15/0x70
<4>[  641.998986]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  641.998989] RIP: 0033:0x7b6f0df24ded
<4>[  641.998990] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  641.998992] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  641.998995] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  641.998997] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  641.998998] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  641.999000] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  641.999001] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  641.999132] CPU: 3 UID: 0 PID: 16918 Comm: gem_create Tainted: G     U  W        N 6.14.0-rc4-CI_DRM_16202-g4e4a83bc30b7+ #1
<4>[  642.001275]  ? find_held_lock+0x31/0x90
<4>[  642.001278]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.001281]  ? lock_release+0xd4/0x2b0
<4>[  642.001285]  ? find_held_lock+0x31/0x90
<4>[  642.001287]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.001291]  ? lock_release+0xd4/0x2b0
<4>[  642.001296]  ? up_read+0x22/0x30
<4>[  642.001298]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.001302]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.001305]  ? irqentry_exit+0x77/0xb0
<4>[  642.001308]  ? clear_bhb_loop+0x15/0x70
<4>[  642.001309]  ? clear_bhb_loop+0x15/0x70
<4>[  642.001311]  ? clear_bhb_loop+0x15/0x70
<4>[  642.001314]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.001316] RIP: 0033:0x7b6f0df24ded
<4>[  642.001318] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.001320] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.001323] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.001324] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.001326] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.001328] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.001329] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.001467] Code: 75 c0 e8 ec 27 3f ff 8b 05 0a 74 55 01 48 8b 75 c0 4c 8b 4d b8 4c 8b 55 a8 85 c0 4c 8b 45 98 74 09 83 e8 01 89 05 ed 73 55 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  642.003617]  ? find_held_lock+0x31/0x90
<4>[  642.003619]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.003623]  ? lock_release+0xd4/0x2b0
<4>[  642.003628]  ? up_read+0x22/0x30
<4>[  642.003630]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.003634]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.003637]  ? irqentry_exit+0x77/0xb0
<4>[  642.003639]  ? clear_bhb_loop+0x15/0x70
<4>[  642.003641]  ? clear_bhb_loop+0x15/0x70
<4>[  642.003643]  ? clear_bhb_loop+0x15/0x70
<4>[  642.003646]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.003648] RIP: 0033:0x7b6f0df24ded
<4>[  642.003650] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.003652] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.003655] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.003656] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.003658] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.003659] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.003661] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.003801] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  642.005594]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  642.005934]  ? find_held_lock+0x31/0x90
<4>[  642.005937]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.005940]  ? lock_release+0xd4/0x2b0
<4>[  642.005944]  ? find_held_lock+0x31/0x90
<4>[  642.005946]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.005950]  ? lock_release+0xd4/0x2b0
<4>[  642.005955]  ? up_read+0x22/0x30
<4>[  642.005957]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.005961]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.005964]  ? irqentry_exit+0x77/0xb0
<4>[  642.005966]  ? clear_bhb_loop+0x15/0x70
<4>[  642.005968]  ? clear_bhb_loop+0x15/0x70
<4>[  642.005970]  ? clear_bhb_loop+0x15/0x70
<4>[  642.005973]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.005975] RIP: 0033:0x7b6f0df24ded
<4>[  642.005977] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.005979] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.005981] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.005983] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.005985] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.005986] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.005994]  </TASK>
<4>[  642.006002] softirqs last  enabled at (263109320): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  642.006519]  i915_ttm_get_pages+0x121/0x180 [i915]
<4>[  642.008261]  ? find_held_lock+0x31/0x90
<4>[  642.008263]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.008266]  ? lock_release+0xd4/0x2b0
<4>[  642.008270]  ? find_held_lock+0x31/0x90
<4>[  642.008273]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.008277]  ? lock_release+0xd4/0x2b0
<4>[  642.008281]  ? up_read+0x22/0x30
<4>[  642.008283]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.008287]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.008291]  ? irqentry_exit+0x77/0xb0
<4>[  642.008293]  ? clear_bhb_loop+0x15/0x70
<4>[  642.008295]  ? clear_bhb_loop+0x15/0x70
<4>[  642.008296]  ? clear_bhb_loop+0x15/0x70
<4>[  642.008299]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.008302] RIP: 0033:0x7b6f0df24ded
<4>[  642.008304] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.008306] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.008308] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.008310] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.008311] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.008313] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.008314] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.008437]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.010576]  ? __vm_munmap+0xd7/0x1b0
<4>[  642.010591]  ? find_held_lock+0x31/0x90
<4>[  642.010593]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.010596]  ? lock_release+0xd4/0x2b0
<4>[  642.010600]  ? find_held_lock+0x31/0x90
<4>[  642.010603]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.010606]  ? lock_release+0xd4/0x2b0
<4>[  642.010611]  ? up_read+0x22/0x30
<4>[  642.010614]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.010617]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.010621]  ? irqentry_exit+0x77/0xb0
<4>[  642.010623]  ? clear_bhb_loop+0x15/0x70
<4>[  642.010625]  ? clear_bhb_loop+0x15/0x70
<4>[  642.010627]  ? clear_bhb_loop+0x15/0x70
<4>[  642.010629]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.010632] RIP: 0033:0x7b6f0df24ded
<4>[  642.010634] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.010636] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.010638] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.010640] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.010641] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.010643] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.010644] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.010785] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  642.012428]  i915_gem_execbuffer2_ioctl+0x15a/0x310 [i915]
<4>[  642.012918]  ? find_held_lock+0x31/0x90
<4>[  642.012921]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.012923]  ? lock_release+0xd4/0x2b0
<4>[  642.012927]  ? find_held_lock+0x31/0x90
<4>[  642.012930]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.012934]  ? lock_release+0xd4/0x2b0
<4>[  642.012938]  ? up_read+0x22/0x30
<4>[  642.012941]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.012944]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.012948]  ? irqentry_exit+0x77/0xb0
<4>[  642.012950]  ? clear_bhb_loop+0x15/0x70
<4>[  642.012952]  ? clear_bhb_loop+0x15/0x70
<4>[  642.012954]  ? clear_bhb_loop+0x15/0x70
<4>[  642.012956]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.012959] RIP: 0033:0x7b6f0df24ded
<4>[  642.012961] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.012963] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.012965] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.012967] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.012968] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.012970] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.012971] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.013107] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  642.013817]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  642.015245]  ? find_held_lock+0x31/0x90
<4>[  642.015247]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.015250]  ? lock_release+0xd4/0x2b0
<4>[  642.015254]  ? find_held_lock+0x31/0x90
<4>[  642.015256]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.015260]  ? lock_release+0xd4/0x2b0
<4>[  642.015265]  ? up_read+0x22/0x30
<4>[  642.015268]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.015271]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.015275]  ? irqentry_exit+0x77/0xb0
<4>[  642.015277]  ? clear_bhb_loop+0x15/0x70
<4>[  642.015279]  ? clear_bhb_loop+0x15/0x70
<4>[  642.015280]  ? clear_bhb_loop+0x15/0x70
<4>[  642.015283]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.015286] RIP: 0033:0x7b6f0df24ded
<4>[  642.015288] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.015289] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.015292] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.015294] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.015295] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.015297] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.015298] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.015430] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  642.015450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  642.017574]  ? find_held_lock+0x31/0x90
<4>[  642.017576]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.017579]  ? lock_release+0xd4/0x2b0
<4>[  642.017583]  ? find_held_lock+0x31/0x90
<4>[  642.017586]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.017589]  ? lock_release+0xd4/0x2b0
<4>[  642.017594]  ? up_read+0x22/0x30
<4>[  642.017597]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.017600]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.017604]  ? irqentry_exit+0x77/0xb0
<4>[  642.017606]  ? clear_bhb_loop+0x15/0x70
<4>[  642.017608]  ? clear_bhb_loop+0x15/0x70
<4>[  642.017610]  ? clear_bhb_loop+0x15/0x70
<4>[  642.017613]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.017615] RIP: 0033:0x7b6f0df24ded
<4>[  642.017617] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.017619] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.017622] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.017624] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.017625] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.017627] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.017628] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.017751]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.019895]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.019901]  ? find_held_lock+0x31/0x90
<4>[  642.019903]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.019906]  ? lock_release+0xd4/0x2b0
<4>[  642.019910]  ? find_held_lock+0x31/0x90
<4>[  642.019913]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.019916]  ? lock_release+0xd4/0x2b0
<4>[  642.019921]  ? up_read+0x22/0x30
<4>[  642.019923]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.019927]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.019930]  ? irqentry_exit+0x77/0xb0
<4>[  642.019933]  ? clear_bhb_loop+0x15/0x70
<4>[  642.019935]  ? clear_bhb_loop+0x15/0x70
<4>[  642.019936]  ? clear_bhb_loop+0x15/0x70
<4>[  642.019939]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.019941] RIP: 0033:0x7b6f0df24ded
<4>[  642.019943] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.019945] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.019948] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.019949] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.019951] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.019952] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.019966] hardirqs last disabled at (263193958): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.020145]  ? intel_iommu_map_pages+0x664/0x820
<4>[  642.022220]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.022226]  ? find_held_lock+0x31/0x90
<4>[  642.022228]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.022231]  ? lock_release+0xd4/0x2b0
<4>[  642.022235]  ? find_held_lock+0x31/0x90
<4>[  642.022238]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.022242]  ? lock_release+0xd4/0x2b0
<4>[  642.022246]  ? up_read+0x22/0x30
<4>[  642.022249]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.022252]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.022256]  ? irqentry_exit+0x77/0xb0
<4>[  642.022258]  ? clear_bhb_loop+0x15/0x70
<4>[  642.022260]  ? clear_bhb_loop+0x15/0x70
<4>[  642.022261]  ? clear_bhb_loop+0x15/0x70
<4>[  642.022264]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.022267] RIP: 0033:0x7b6f0df24ded
<4>[  642.022269] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.022271] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.022273] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.022275] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.022276] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.022278] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.022291] hardirqs last disabled at (263195082): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.022816]  i915_ttm_get_pages+0x121/0x180 [i915]
<4>[  642.024555]  ? find_held_lock+0x31/0x90
<4>[  642.024558]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.024561]  ? lock_release+0xd4/0x2b0
<4>[  642.024565]  ? find_held_lock+0x31/0x90
<4>[  642.024567]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.024571]  ? lock_release+0xd4/0x2b0
<4>[  642.024575]  ? up_read+0x22/0x30
<4>[  642.024578]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.024581]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.024585]  ? irqentry_exit+0x77/0xb0
<4>[  642.024587]  ? clear_bhb_loop+0x15/0x70
<4>[  642.024589]  ? clear_bhb_loop+0x15/0x70
<4>[  642.024591]  ? clear_bhb_loop+0x15/0x70
<4>[  642.024593]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.024596] RIP: 0033:0x7b6f0df24ded
<4>[  642.024598] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.024600] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.024602] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.024604] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.024606] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.024607] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.024609] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.024733]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.026872]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  642.026882]  ? find_held_lock+0x31/0x90
<4>[  642.026884]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.026887]  ? lock_release+0xd4/0x2b0
<4>[  642.026891]  ? find_held_lock+0x31/0x90
<4>[  642.026894]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.026897]  ? lock_release+0xd4/0x2b0
<4>[  642.026902]  ? up_read+0x22/0x30
<4>[  642.026904]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.026908]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.026911]  ? irqentry_exit+0x77/0xb0
<4>[  642.026914]  ? clear_bhb_loop+0x15/0x70
<4>[  642.026916]  ? clear_bhb_loop+0x15/0x70
<4>[  642.026917]  ? clear_bhb_loop+0x15/0x70
<4>[  642.026920]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.026922] RIP: 0033:0x7b6f0df24ded
<4>[  642.026924] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.026926] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.026929] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.026930] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.026932] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.026933] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.026935] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.027074] RSP: 0018:ffffc90009dbeff8 EFLAGS: 00010246
<4>[  642.028693]  ? find_held_lock+0x31/0x90
<4>[  642.029205]  ? do_syscall_64+0x9d/0x180
<4>[  642.029208]  ? find_held_lock+0x31/0x90
<4>[  642.029210]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.029213]  ? lock_release+0xd4/0x2b0
<4>[  642.029217]  ? find_held_lock+0x31/0x90
<4>[  642.029219]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.029223]  ? lock_release+0xd4/0x2b0
<4>[  642.029228]  ? up_read+0x22/0x30
<4>[  642.029230]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.029234]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.029237]  ? irqentry_exit+0x77/0xb0
<4>[  642.029240]  ? clear_bhb_loop+0x15/0x70
<4>[  642.029242]  ? clear_bhb_loop+0x15/0x70
<4>[  642.029243]  ? clear_bhb_loop+0x15/0x70
<4>[  642.029246]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.029249] RIP: 0033:0x7b6f0df24ded
<4>[  642.029251] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.029252] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.029255] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.029257] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.029258] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.029260] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.029269] irq event stamp: 263198445
<4>[  642.029384]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.031509]  do_syscall_64+0x91/0x180
<4>[  642.031535]  ? find_held_lock+0x31/0x90
<4>[  642.031538]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.031545]  ? lock_release+0xd4/0x2b0
<4>[  642.031549]  ? find_held_lock+0x31/0x90
<4>[  642.031552]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.031556]  ? lock_release+0xd4/0x2b0
<4>[  642.031560]  ? up_read+0x22/0x30
<4>[  642.031563]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.031566]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.031570]  ? irqentry_exit+0x77/0xb0
<4>[  642.031572]  ? clear_bhb_loop+0x15/0x70
<4>[  642.031574]  ? clear_bhb_loop+0x15/0x70
<4>[  642.031575]  ? clear_bhb_loop+0x15/0x70
<4>[  642.031578]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.031581] RIP: 0033:0x7b6f0df24ded
<4>[  642.031583] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.031584] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.031587] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.031588] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.031590] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.031592] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.031593] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.031726] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  642.031750] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  642.033866]  ? find_held_lock+0x31/0x90
<4>[  642.033869]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.033871]  ? lock_release+0xd4/0x2b0
<4>[  642.033875]  ? find_held_lock+0x31/0x90
<4>[  642.033878]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.033882]  ? lock_release+0xd4/0x2b0
<4>[  642.033887]  ? up_read+0x22/0x30
<4>[  642.033889]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.033893]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.033896]  ? irqentry_exit+0x77/0xb0
<4>[  642.033899]  ? clear_bhb_loop+0x15/0x70
<4>[  642.033900]  ? clear_bhb_loop+0x15/0x70
<4>[  642.033902]  ? clear_bhb_loop+0x15/0x70
<4>[  642.033905]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.033907] RIP: 0033:0x7b6f0df24ded
<4>[  642.033909] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.033911] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.033914] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.033915] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.033917] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.033918] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.033920] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.034055] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  642.034299]  __i915_ttm_get_pages+0x18c/0x2a0 [i915]
<4>[  642.036194]  ? find_held_lock+0x31/0x90
<4>[  642.036196]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.036199]  ? lock_release+0xd4/0x2b0
<4>[  642.036203]  ? find_held_lock+0x31/0x90
<4>[  642.036206]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.036210]  ? lock_release+0xd4/0x2b0
<4>[  642.036214]  ? up_read+0x22/0x30
<4>[  642.036217]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.036220]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.036224]  ? irqentry_exit+0x77/0xb0
<4>[  642.036226]  ? clear_bhb_loop+0x15/0x70
<4>[  642.036228]  ? clear_bhb_loop+0x15/0x70
<4>[  642.036230]  ? clear_bhb_loop+0x15/0x70
<4>[  642.036232]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.036235] RIP: 0033:0x7b6f0df24ded
<4>[  642.036237] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.036239] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.036241] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.036243] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.036244] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.036246] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.036247] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.036370]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.038519]  ? do_syscall_64+0x9d/0x180
<4>[  642.038521]  ? find_held_lock+0x31/0x90
<4>[  642.038527]  ? lock_release+0xd4/0x2b0
<4>[  642.038531]  ? find_held_lock+0x31/0x90
<4>[  642.038533]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.038537]  ? lock_release+0xd4/0x2b0
<4>[  642.038546]  ? up_read+0x22/0x30
<4>[  642.038549]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.038552]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.038556]  ? irqentry_exit+0x77/0xb0
<4>[  642.038558]  ? clear_bhb_loop+0x15/0x70
<4>[  642.038560]  ? clear_bhb_loop+0x15/0x70
<4>[  642.038562]  ? clear_bhb_loop+0x15/0x70
<4>[  642.038564]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.038567] RIP: 0033:0x7b6f0df24ded
<4>[  642.038569] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.038571] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.038573] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.038575] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.038576] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.038578] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.038579] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.038703]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.040829]  do_syscall_64+0x91/0x180
<4>[  642.040855]  ? find_held_lock+0x31/0x90
<4>[  642.040860]  ? lock_release+0xd4/0x2b0
<4>[  642.040865]  ? find_held_lock+0x31/0x90
<4>[  642.040867]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.040871]  ? lock_release+0xd4/0x2b0
<4>[  642.040876]  ? up_read+0x22/0x30
<4>[  642.040878]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.040882]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.040885]  ? irqentry_exit+0x77/0xb0
<4>[  642.040888]  ? clear_bhb_loop+0x15/0x70
<4>[  642.040889]  ? clear_bhb_loop+0x15/0x70
<4>[  642.040891]  ? clear_bhb_loop+0x15/0x70
<4>[  642.040893]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.040896] RIP: 0033:0x7b6f0df24ded
<4>[  642.040898] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.040900] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.040902] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.040904] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.040906] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.040907] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.040909] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.040926] ---[ end trace 0000000000000000 ]---
<4>[  642.041044] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  642.041604]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  642.043181]  ? find_held_lock+0x31/0x90
<4>[  642.043186]  ? lock_release+0xd4/0x2b0
<4>[  642.043190]  ? find_held_lock+0x31/0x90
<4>[  642.043193]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.043196]  ? lock_release+0xd4/0x2b0
<4>[  642.043201]  ? up_read+0x22/0x30
<4>[  642.043203]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.043207]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.043211]  ? irqentry_exit+0x77/0xb0
<4>[  642.043213]  ? clear_bhb_loop+0x15/0x70
<4>[  642.043215]  ? clear_bhb_loop+0x15/0x70
<4>[  642.043216]  ? clear_bhb_loop+0x15/0x70
<4>[  642.043219]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.043222] RIP: 0033:0x7b6f0df24ded
<4>[  642.043224] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.043225] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.043228] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.043230] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.043231] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.043233] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.043234] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<2>[  642.043254] DMAR: ERROR: DMA PTE for vPFN 0x3d1749b already set (to 2ba49a003 not 2ba49a003)
<4>[  642.043771]  i915_ttm_get_pages+0x121/0x180 [i915]
<4>[  642.045510]  ? find_held_lock+0x31/0x90
<4>[  642.045513]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.045516]  ? lock_release+0xd4/0x2b0
<4>[  642.045520]  ? find_held_lock+0x31/0x90
<4>[  642.045522]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.045526]  ? lock_release+0xd4/0x2b0
<4>[  642.045531]  ? up_read+0x22/0x30
<4>[  642.045533]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.045542]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.045545]  ? irqentry_exit+0x77/0xb0
<4>[  642.045548]  ? clear_bhb_loop+0x15/0x70
<4>[  642.045550]  ? clear_bhb_loop+0x15/0x70
<4>[  642.045551]  ? clear_bhb_loop+0x15/0x70
<4>[  642.045554]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.045556] RIP: 0033:0x7b6f0df24ded
<4>[  642.045558] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.045560] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.045563] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.045565] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.045566] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.045568] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.045569] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.045693]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.047834]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  642.047844]  ? find_held_lock+0x31/0x90
<4>[  642.047849]  ? lock_release+0xd4/0x2b0
<4>[  642.047853]  ? find_held_lock+0x31/0x90
<4>[  642.047855]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.047859]  ? lock_release+0xd4/0x2b0
<4>[  642.047864]  ? up_read+0x22/0x30
<4>[  642.047866]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.047870]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.047873]  ? irqentry_exit+0x77/0xb0
<4>[  642.047876]  ? clear_bhb_loop+0x15/0x70
<4>[  642.047878]  ? clear_bhb_loop+0x15/0x70
<4>[  642.047879]  ? clear_bhb_loop+0x15/0x70
<4>[  642.047882]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.047884] RIP: 0033:0x7b6f0df24ded
<4>[  642.047886] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.047888] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.047891] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.047892] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.047894] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.047895] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.047897] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.048020]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.050154]  ? __vm_munmap+0xd7/0x1b0
<4>[  642.050169]  ? find_held_lock+0x31/0x90
<4>[  642.050174]  ? lock_release+0xd4/0x2b0
<4>[  642.050178]  ? find_held_lock+0x31/0x90
<4>[  642.050180]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.050184]  ? lock_release+0xd4/0x2b0
<4>[  642.050189]  ? up_read+0x22/0x30
<4>[  642.050191]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.050195]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.050198]  ? irqentry_exit+0x77/0xb0
<4>[  642.050201]  ? clear_bhb_loop+0x15/0x70
<4>[  642.050203]  ? clear_bhb_loop+0x15/0x70
<4>[  642.050204]  ? clear_bhb_loop+0x15/0x70
<4>[  642.050207]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.050209] RIP: 0033:0x7b6f0df24ded
<4>[  642.050211] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.050213] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.050216] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.050217] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.050219] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.050220] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.050222] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.050345]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.052309]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  642.052495]  ? find_held_lock+0x31/0x90
<4>[  642.052500]  ? lock_release+0xd4/0x2b0
<4>[  642.052504]  ? find_held_lock+0x31/0x90
<4>[  642.052507]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.052511]  ? lock_release+0xd4/0x2b0
<4>[  642.052515]  ? up_read+0x22/0x30
<4>[  642.052518]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.052521]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.052525]  ? irqentry_exit+0x77/0xb0
<4>[  642.052527]  ? clear_bhb_loop+0x15/0x70
<4>[  642.052529]  ? clear_bhb_loop+0x15/0x70
<4>[  642.052531]  ? clear_bhb_loop+0x15/0x70
<4>[  642.052533]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.052541] RIP: 0033:0x7b6f0df24ded
<4>[  642.052543] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.052545] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.052547] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.052549] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.052551] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.052552] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.052554] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.052678]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.054825]  ? do_syscall_64+0x9d/0x180
<4>[  642.054828]  ? find_held_lock+0x31/0x90
<4>[  642.054833]  ? lock_release+0xd4/0x2b0
<4>[  642.054837]  ? find_held_lock+0x31/0x90
<4>[  642.054840]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.054844]  ? lock_release+0xd4/0x2b0
<4>[  642.054848]  ? up_read+0x22/0x30
<4>[  642.054851]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.054854]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.054858]  ? irqentry_exit+0x77/0xb0
<4>[  642.054860]  ? clear_bhb_loop+0x15/0x70
<4>[  642.054862]  ? clear_bhb_loop+0x15/0x70
<4>[  642.054864]  ? clear_bhb_loop+0x15/0x70
<4>[  642.054866]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.054869] RIP: 0033:0x7b6f0df24ded
<4>[  642.054871] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.054873] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.054875] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.054877] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.054878] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.054880] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.054881] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.055004]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.057129]  do_syscall_64+0x91/0x180
<4>[  642.057155]  ? find_held_lock+0x31/0x90
<4>[  642.057161]  ? lock_release+0xd4/0x2b0
<4>[  642.057165]  ? find_held_lock+0x31/0x90
<4>[  642.057167]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.057171]  ? lock_release+0xd4/0x2b0
<4>[  642.057175]  ? up_read+0x22/0x30
<4>[  642.057178]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.057181]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.057185]  ? irqentry_exit+0x77/0xb0
<4>[  642.057187]  ? clear_bhb_loop+0x15/0x70
<4>[  642.057189]  ? clear_bhb_loop+0x15/0x70
<4>[  642.057191]  ? clear_bhb_loop+0x15/0x70
<4>[  642.057193]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.057196] RIP: 0033:0x7b6f0df24ded
<4>[  642.057198] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.057200] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.057202] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.057204] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.057205] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.057207] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.057208] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.057254] Modules linked in: vgem drm_shmem_helper snd_hda_intel i915 snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_scodec_component snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd soundcore mei_gsc prime_numbers ttm drm_display_helper cec rc_core drm_buddy drm_kms_helper i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common ee1004 intel_tcc_cooling cmdlinepart x86_pkg_temp_thermal intel_powerclamp mei_pxp spi_nor coretemp mei_hdcp mtd ppdev wmi_bmof kvm_intel intel_wmi_thunderbolt kvm polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 smsc75xx aesni_intel usbnet crypto_simd cryptd mii rapl intel_cstate i2c_i801 spi_intel_pci e1000e i2c_mux mei_me spi_intel intel_pch_thermal i2c_smbus mei idma64 parport_pc parport binfmt_misc video nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi pmt_telemetry pmt_class intel_vsec acpi_tad acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse
<4>[  642.059525] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.059527] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.059529] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.059672] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  642.059692] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  642.061815]  ? find_held_lock+0x31/0x90
<4>[  642.061817]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.061820]  ? lock_release+0xd4/0x2b0
<4>[  642.061824]  ? find_held_lock+0x31/0x90
<4>[  642.061827]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.061830]  ? lock_release+0xd4/0x2b0
<4>[  642.061835]  ? up_read+0x22/0x30
<4>[  642.061837]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.061841]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.061845]  ? irqentry_exit+0x77/0xb0
<4>[  642.061847]  ? clear_bhb_loop+0x15/0x70
<4>[  642.061849]  ? clear_bhb_loop+0x15/0x70
<4>[  642.061851]  ? clear_bhb_loop+0x15/0x70
<4>[  642.061853]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.061856] RIP: 0033:0x7b6f0df24ded
<4>[  642.061858] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.061859] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.061862] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.061864] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.061865] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.061867] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.061868] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.061991]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.064132]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  642.064142]  ? find_held_lock+0x31/0x90
<4>[  642.064147]  ? lock_release+0xd4/0x2b0
<4>[  642.064151]  ? find_held_lock+0x31/0x90
<4>[  642.064154]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.064158]  ? lock_release+0xd4/0x2b0
<4>[  642.064162]  ? up_read+0x22/0x30
<4>[  642.064165]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.064168]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.064172]  ? irqentry_exit+0x77/0xb0
<4>[  642.064174]  ? clear_bhb_loop+0x15/0x70
<4>[  642.064176]  ? clear_bhb_loop+0x15/0x70
<4>[  642.064178]  ? clear_bhb_loop+0x15/0x70
<4>[  642.064180]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.064183] RIP: 0033:0x7b6f0df24ded
<4>[  642.064185] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.064187] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.064189] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.064191] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.064192] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.064194] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.064195] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.064318]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.066434]  __x64_sys_ioctl+0xa4/0xe0
<4>[  642.066466]  ? find_held_lock+0x31/0x90
<4>[  642.066469]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.066472]  ? lock_release+0xd4/0x2b0
<4>[  642.066476]  ? find_held_lock+0x31/0x90
<4>[  642.066478]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.066482]  ? lock_release+0xd4/0x2b0
<4>[  642.066487]  ? up_read+0x22/0x30
<4>[  642.066489]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.066493]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.066496]  ? irqentry_exit+0x77/0xb0
<4>[  642.066499]  ? clear_bhb_loop+0x15/0x70
<4>[  642.066500]  ? clear_bhb_loop+0x15/0x70
<4>[  642.066502]  ? clear_bhb_loop+0x15/0x70
<4>[  642.066505]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.066507] RIP: 0033:0x7b6f0df24ded
<4>[  642.066509] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.066511] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.066514] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.066515] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.066517] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.066518] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.066520] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.066659] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  642.066679] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  642.068804]  ? find_held_lock+0x31/0x90
<4>[  642.068806]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.068809]  ? lock_release+0xd4/0x2b0
<4>[  642.068813]  ? find_held_lock+0x31/0x90
<4>[  642.068815]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.068819]  ? lock_release+0xd4/0x2b0
<4>[  642.068824]  ? up_read+0x22/0x30
<4>[  642.068826]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.068830]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.068833]  ? irqentry_exit+0x77/0xb0
<4>[  642.068836]  ? clear_bhb_loop+0x15/0x70
<4>[  642.068838]  ? clear_bhb_loop+0x15/0x70
<4>[  642.068839]  ? clear_bhb_loop+0x15/0x70
<4>[  642.068842]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.068844] RIP: 0033:0x7b6f0df24ded
<4>[  642.068846] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.068848] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.068851] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.068853] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.068854] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.068856] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.068857] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.068980]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.071123]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  642.071133]  ? find_held_lock+0x31/0x90
<4>[  642.071138]  ? lock_release+0xd4/0x2b0
<4>[  642.071142]  ? find_held_lock+0x31/0x90
<4>[  642.071144]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.071148]  ? lock_release+0xd4/0x2b0
<4>[  642.071153]  ? up_read+0x22/0x30
<4>[  642.071155]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.071159]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.071163]  ? irqentry_exit+0x77/0xb0
<4>[  642.071165]  ? clear_bhb_loop+0x15/0x70
<4>[  642.071167]  ? clear_bhb_loop+0x15/0x70
<4>[  642.071168]  ? clear_bhb_loop+0x15/0x70
<4>[  642.071171]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.071174] RIP: 0033:0x7b6f0df24ded
<4>[  642.071176] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.071177] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.071180] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.071182] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.071183] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.071185] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.071186] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.071309]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.073433]  x64_sys_call+0x131e/0x2650
<4>[  642.073461]  ? find_held_lock+0x31/0x90
<4>[  642.073467]  ? lock_release+0xd4/0x2b0
<4>[  642.073471]  ? find_held_lock+0x31/0x90
<4>[  642.073473]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.073477]  ? lock_release+0xd4/0x2b0
<4>[  642.073482]  ? up_read+0x22/0x30
<4>[  642.073484]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.073488]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.073491]  ? irqentry_exit+0x77/0xb0
<4>[  642.073494]  ? clear_bhb_loop+0x15/0x70
<4>[  642.073495]  ? clear_bhb_loop+0x15/0x70
<4>[  642.073497]  ? clear_bhb_loop+0x15/0x70
<4>[  642.073500]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.073502] RIP: 0033:0x7b6f0df24ded
<4>[  642.073504] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.073506] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.073509] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.073511] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.073512] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.073514] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.073515] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.073643]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.075612]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  642.075797]  ? find_held_lock+0x31/0x90
<4>[  642.075802]  ? lock_release+0xd4/0x2b0
<4>[  642.075806]  ? find_held_lock+0x31/0x90
<4>[  642.075809]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.075813]  ? lock_release+0xd4/0x2b0
<4>[  642.075817]  ? up_read+0x22/0x30
<4>[  642.075820]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.075823]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.075827]  ? irqentry_exit+0x77/0xb0
<4>[  642.075829]  ? clear_bhb_loop+0x15/0x70
<4>[  642.075831]  ? clear_bhb_loop+0x15/0x70
<4>[  642.075833]  ? clear_bhb_loop+0x15/0x70
<4>[  642.075835]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.075838] RIP: 0033:0x7b6f0df24ded
<4>[  642.075840] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.075842] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.075844] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.075846] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.075847] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.075849] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.075850] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.075973]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.078114]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  642.078124]  ? find_held_lock+0x31/0x90
<4>[  642.078129]  ? lock_release+0xd4/0x2b0
<4>[  642.078133]  ? find_held_lock+0x31/0x90
<4>[  642.078136]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.078139]  ? lock_release+0xd4/0x2b0
<4>[  642.078144]  ? up_read+0x22/0x30
<4>[  642.078146]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.078150]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.078153]  ? irqentry_exit+0x77/0xb0
<4>[  642.078156]  ? clear_bhb_loop+0x15/0x70
<4>[  642.078158]  ? clear_bhb_loop+0x15/0x70
<4>[  642.078159]  ? clear_bhb_loop+0x15/0x70
<4>[  642.078162]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.078164] RIP: 0033:0x7b6f0df24ded
<4>[  642.078166] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.078168] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.078171] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.078172] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.078174] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.078175] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.078177] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.078300]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.080436]  ? __vm_munmap+0xd7/0x1b0
<4>[  642.080450]  ? find_held_lock+0x31/0x90
<4>[  642.080456]  ? lock_release+0xd4/0x2b0
<4>[  642.080460]  ? find_held_lock+0x31/0x90
<4>[  642.080462]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.080466]  ? lock_release+0xd4/0x2b0
<4>[  642.080471]  ? up_read+0x22/0x30
<4>[  642.080473]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.080477]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.080480]  ? irqentry_exit+0x77/0xb0
<4>[  642.080482]  ? clear_bhb_loop+0x15/0x70
<4>[  642.080484]  ? clear_bhb_loop+0x15/0x70
<4>[  642.080486]  ? clear_bhb_loop+0x15/0x70
<4>[  642.080488]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.080491] RIP: 0033:0x7b6f0df24ded
<4>[  642.080493] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.080495] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.080497] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.080499] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.080501] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.080502] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.080504] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.080633]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.082593]  drm_ioctl_kernel+0xb9/0x120
<4>[  642.082785]  ? find_held_lock+0x31/0x90
<4>[  642.082788]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.082791]  ? lock_release+0xd4/0x2b0
<4>[  642.082795]  ? find_held_lock+0x31/0x90
<4>[  642.082797]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.082801]  ? lock_release+0xd4/0x2b0
<4>[  642.082806]  ? up_read+0x22/0x30
<4>[  642.082808]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.082812]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.082815]  ? irqentry_exit+0x77/0xb0
<4>[  642.082817]  ? clear_bhb_loop+0x15/0x70
<4>[  642.082819]  ? clear_bhb_loop+0x15/0x70
<4>[  642.082821]  ? clear_bhb_loop+0x15/0x70
<4>[  642.082823]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.082826] RIP: 0033:0x7b6f0df24ded
<4>[  642.082828] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.082830] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.082833] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.082834] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.082836] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.082837] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.082839] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.082961]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.085110]  ? do_syscall_64+0x9d/0x180
<4>[  642.085112]  ? find_held_lock+0x31/0x90
<4>[  642.085118]  ? lock_release+0xd4/0x2b0
<4>[  642.085122]  ? find_held_lock+0x31/0x90
<4>[  642.085124]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.085128]  ? lock_release+0xd4/0x2b0
<4>[  642.085133]  ? up_read+0x22/0x30
<4>[  642.085135]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.085139]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.085142]  ? irqentry_exit+0x77/0xb0
<4>[  642.085145]  ? clear_bhb_loop+0x15/0x70
<4>[  642.085146]  ? clear_bhb_loop+0x15/0x70
<4>[  642.085148]  ? clear_bhb_loop+0x15/0x70
<4>[  642.085151]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.085153] RIP: 0033:0x7b6f0df24ded
<4>[  642.085155] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.085157] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.085160] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.085161] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.085163] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.085164] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.085166] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.085288]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.087424]  ? __vm_munmap+0xd7/0x1b0
<4>[  642.087439]  ? find_held_lock+0x31/0x90
<4>[  642.087444]  ? lock_release+0xd4/0x2b0
<4>[  642.087448]  ? find_held_lock+0x31/0x90
<4>[  642.087451]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.087455]  ? lock_release+0xd4/0x2b0
<4>[  642.087459]  ? up_read+0x22/0x30
<4>[  642.087462]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.087465]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.087469]  ? irqentry_exit+0x77/0xb0
<4>[  642.087471]  ? clear_bhb_loop+0x15/0x70
<4>[  642.087473]  ? clear_bhb_loop+0x15/0x70
<4>[  642.087475]  ? clear_bhb_loop+0x15/0x70
<4>[  642.087477]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.087480] RIP: 0033:0x7b6f0df24ded
<4>[  642.087482] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.087483] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.087486] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.087488] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.087489] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.087491] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.087492] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.087620]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.089586]  drm_ioctl+0x2f9/0x5b0
<4>[  642.089775]  ? find_held_lock+0x31/0x90
<4>[  642.089777]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.089780]  ? lock_release+0xd4/0x2b0
<4>[  642.089784]  ? find_held_lock+0x31/0x90
<4>[  642.089786]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.089790]  ? lock_release+0xd4/0x2b0
<4>[  642.089795]  ? up_read+0x22/0x30
<4>[  642.089797]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.089801]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.089804]  ? irqentry_exit+0x77/0xb0
<4>[  642.089807]  ? clear_bhb_loop+0x15/0x70
<4>[  642.089808]  ? clear_bhb_loop+0x15/0x70
<4>[  642.089810]  ? clear_bhb_loop+0x15/0x70
<4>[  642.089813]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.089815] RIP: 0033:0x7b6f0df24ded
<4>[  642.089817] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.089819] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.089821] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.089823] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.089825] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.089826] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.089828] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.089950]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.092092]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.092098]  ? find_held_lock+0x31/0x90
<4>[  642.092103]  ? lock_release+0xd4/0x2b0
<4>[  642.092107]  ? find_held_lock+0x31/0x90
<4>[  642.092110]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.092113]  ? lock_release+0xd4/0x2b0
<4>[  642.092118]  ? up_read+0x22/0x30
<4>[  642.092120]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.092124]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.092128]  ? irqentry_exit+0x77/0xb0
<4>[  642.092130]  ? clear_bhb_loop+0x15/0x70
<4>[  642.092132]  ? clear_bhb_loop+0x15/0x70
<4>[  642.092134]  ? clear_bhb_loop+0x15/0x70
<4>[  642.092136]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.092139] RIP: 0033:0x7b6f0df24ded
<4>[  642.092141] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.092143] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.092145] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.092147] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.092148] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.092150] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.092151] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.092274]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.094420]  ? do_syscall_64+0x9d/0x180
<4>[  642.094423]  ? find_held_lock+0x31/0x90
<4>[  642.094428]  ? lock_release+0xd4/0x2b0
<4>[  642.094432]  ? find_held_lock+0x31/0x90
<4>[  642.094435]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.094439]  ? lock_release+0xd4/0x2b0
<4>[  642.094443]  ? up_read+0x22/0x30
<4>[  642.094446]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.094449]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.094453]  ? irqentry_exit+0x77/0xb0
<4>[  642.094455]  ? clear_bhb_loop+0x15/0x70
<4>[  642.094457]  ? clear_bhb_loop+0x15/0x70
<4>[  642.094459]  ? clear_bhb_loop+0x15/0x70
<4>[  642.094461]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.094464] RIP: 0033:0x7b6f0df24ded
<4>[  642.094466] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.094468] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.094470] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.094472] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.094473] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.094475] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.094476] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.094603]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.096722]  __x64_sys_ioctl+0xa4/0xe0
<4>[  642.096754]  ? find_held_lock+0x31/0x90
<4>[  642.096759]  ? lock_release+0xd4/0x2b0
<4>[  642.096763]  ? find_held_lock+0x31/0x90
<4>[  642.096766]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.096770]  ? lock_release+0xd4/0x2b0
<4>[  642.096774]  ? up_read+0x22/0x30
<4>[  642.096777]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.096780]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.096784]  ? irqentry_exit+0x77/0xb0
<4>[  642.096786]  ? clear_bhb_loop+0x15/0x70
<4>[  642.096788]  ? clear_bhb_loop+0x15/0x70
<4>[  642.096790]  ? clear_bhb_loop+0x15/0x70
<4>[  642.096792]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.096795] RIP: 0033:0x7b6f0df24ded
<4>[  642.096797] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.096799] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.096801] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.096803] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.096804] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.096806] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.096807] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.096930]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.098887]  drm_ioctl_kernel+0xb9/0x120
<4>[  642.099079]  ? find_held_lock+0x31/0x90
<4>[  642.099082]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.099085]  ? lock_release+0xd4/0x2b0
<4>[  642.099089]  ? find_held_lock+0x31/0x90
<4>[  642.099091]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.099095]  ? lock_release+0xd4/0x2b0
<4>[  642.099099]  ? up_read+0x22/0x30
<4>[  642.099102]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.099105]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.099109]  ? irqentry_exit+0x77/0xb0
<4>[  642.099111]  ? clear_bhb_loop+0x15/0x70
<4>[  642.099113]  ? clear_bhb_loop+0x15/0x70
<4>[  642.099115]  ? clear_bhb_loop+0x15/0x70
<4>[  642.099117]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.099120] RIP: 0033:0x7b6f0df24ded
<4>[  642.099122] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.099124] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.099126] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.099128] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.099129] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.099131] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.099132] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.099255]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.101400]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.101406]  ? find_held_lock+0x31/0x90
<4>[  642.101411]  ? lock_release+0xd4/0x2b0
<4>[  642.101415]  ? find_held_lock+0x31/0x90
<4>[  642.101418]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.101422]  ? lock_release+0xd4/0x2b0
<4>[  642.101426]  ? up_read+0x22/0x30
<4>[  642.101429]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.101432]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.101436]  ? irqentry_exit+0x77/0xb0
<4>[  642.101438]  ? clear_bhb_loop+0x15/0x70
<4>[  642.101440]  ? clear_bhb_loop+0x15/0x70
<4>[  642.101442]  ? clear_bhb_loop+0x15/0x70
<4>[  642.101444]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.101447] RIP: 0033:0x7b6f0df24ded
<4>[  642.101449] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.101450] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.101453] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.101455] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.101456] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.101458] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.101459] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.101586]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.103734]  ? do_syscall_64+0x9d/0x180
<4>[  642.103737]  ? find_held_lock+0x31/0x90
<4>[  642.103742]  ? lock_release+0xd4/0x2b0
<4>[  642.103746]  ? find_held_lock+0x31/0x90
<4>[  642.103749]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.103753]  ? lock_release+0xd4/0x2b0
<4>[  642.103757]  ? up_read+0x22/0x30
<4>[  642.103760]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.103763]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.103767]  ? irqentry_exit+0x77/0xb0
<4>[  642.103769]  ? clear_bhb_loop+0x15/0x70
<4>[  642.103771]  ? clear_bhb_loop+0x15/0x70
<4>[  642.103773]  ? clear_bhb_loop+0x15/0x70
<4>[  642.103775]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.103778] RIP: 0033:0x7b6f0df24ded
<4>[  642.103780] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.103782] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.103784] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.103786] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.103787] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.103789] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.103790] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.103912]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.106056]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.106062]  ? find_held_lock+0x31/0x90
<4>[  642.106067]  ? lock_release+0xd4/0x2b0
<4>[  642.106071]  ? find_held_lock+0x31/0x90
<4>[  642.106073]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.106077]  ? lock_release+0xd4/0x2b0
<4>[  642.106082]  ? up_read+0x22/0x30
<4>[  642.106084]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.106088]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.106091]  ? irqentry_exit+0x77/0xb0
<4>[  642.106094]  ? clear_bhb_loop+0x15/0x70
<4>[  642.106096]  ? clear_bhb_loop+0x15/0x70
<4>[  642.106097]  ? clear_bhb_loop+0x15/0x70
<4>[  642.106100]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.106103] RIP: 0033:0x7b6f0df24ded
<4>[  642.106105] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.106106] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.106109] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.106111] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.106112] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.106114] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.106115] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.106238]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.108382]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.108388]  ? find_held_lock+0x31/0x90
<4>[  642.108393]  ? lock_release+0xd4/0x2b0
<4>[  642.108397]  ? find_held_lock+0x31/0x90
<4>[  642.108399]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.108403]  ? lock_release+0xd4/0x2b0
<4>[  642.108408]  ? up_read+0x22/0x30
<4>[  642.108410]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.108414]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.108417]  ? irqentry_exit+0x77/0xb0
<4>[  642.108420]  ? clear_bhb_loop+0x15/0x70
<4>[  642.108422]  ? clear_bhb_loop+0x15/0x70
<4>[  642.108423]  ? clear_bhb_loop+0x15/0x70
<4>[  642.108426]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.108429] RIP: 0033:0x7b6f0df24ded
<4>[  642.108430] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.108432] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.108435] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.108437] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.108438] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.108440] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.108441] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.108578] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  642.108598] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  642.110724]  ? find_held_lock+0x31/0x90
<4>[  642.110726]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.110729]  ? lock_release+0xd4/0x2b0
<4>[  642.110733]  ? find_held_lock+0x31/0x90
<4>[  642.110736]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.110740]  ? lock_release+0xd4/0x2b0
<4>[  642.110744]  ? up_read+0x22/0x30
<4>[  642.110747]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.110750]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.110754]  ? irqentry_exit+0x77/0xb0
<4>[  642.110756]  ? clear_bhb_loop+0x15/0x70
<4>[  642.110758]  ? clear_bhb_loop+0x15/0x70
<4>[  642.110760]  ? clear_bhb_loop+0x15/0x70
<4>[  642.110763]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.110765] RIP: 0033:0x7b6f0df24ded
<4>[  642.110767] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.110769] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.110772] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.110773] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.110775] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.110776] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.110778] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.110902]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.113046]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  642.113056]  ? find_held_lock+0x31/0x90
<4>[  642.113061]  ? lock_release+0xd4/0x2b0
<4>[  642.113065]  ? find_held_lock+0x31/0x90
<4>[  642.113068]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.113072]  ? lock_release+0xd4/0x2b0
<4>[  642.113076]  ? up_read+0x22/0x30
<4>[  642.113079]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.113082]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.113086]  ? irqentry_exit+0x77/0xb0
<4>[  642.113088]  ? clear_bhb_loop+0x15/0x70
<4>[  642.113090]  ? clear_bhb_loop+0x15/0x70
<4>[  642.113092]  ? clear_bhb_loop+0x15/0x70
<4>[  642.113094]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.113097] RIP: 0033:0x7b6f0df24ded
<4>[  642.113099] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.113101] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.113104] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.113105] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.113107] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.113108] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.113110] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.113235]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.115357]  __x64_sys_ioctl+0xa4/0xe0
<4>[  642.115390]  ? find_held_lock+0x31/0x90
<4>[  642.115393]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.115396]  ? lock_release+0xd4/0x2b0
<4>[  642.115400]  ? find_held_lock+0x31/0x90
<4>[  642.115402]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.115406]  ? lock_release+0xd4/0x2b0
<4>[  642.115411]  ? up_read+0x22/0x30
<4>[  642.115413]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.115417]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.115420]  ? irqentry_exit+0x77/0xb0
<4>[  642.115423]  ? clear_bhb_loop+0x15/0x70
<4>[  642.115425]  ? clear_bhb_loop+0x15/0x70
<4>[  642.115426]  ? clear_bhb_loop+0x15/0x70
<4>[  642.115429]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.115432] RIP: 0033:0x7b6f0df24ded
<4>[  642.115434] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.115435] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.115438] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.115440] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.115441] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.115443] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.115444] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.115583] Tainted: [U]=USER, [W]=WARN, [N]=TEST
<4>[  642.115604] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  642.117731]  ? find_held_lock+0x31/0x90
<4>[  642.117734]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.117737]  ? lock_release+0xd4/0x2b0
<4>[  642.117741]  ? find_held_lock+0x31/0x90
<4>[  642.117743]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.117747]  ? lock_release+0xd4/0x2b0
<4>[  642.117752]  ? up_read+0x22/0x30
<4>[  642.117754]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.117758]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.117761]  ? irqentry_exit+0x77/0xb0
<4>[  642.117764]  ? clear_bhb_loop+0x15/0x70
<4>[  642.117766]  ? clear_bhb_loop+0x15/0x70
<4>[  642.117767]  ? clear_bhb_loop+0x15/0x70
<4>[  642.117770]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.117773] RIP: 0033:0x7b6f0df24ded
<4>[  642.117775] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.117776] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.117779] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.117781] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.117782] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.117784] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.117785] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.117910]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.120055]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  642.120065]  ? find_held_lock+0x31/0x90
<4>[  642.120070]  ? lock_release+0xd4/0x2b0
<4>[  642.120074]  ? find_held_lock+0x31/0x90
<4>[  642.120077]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.120081]  ? lock_release+0xd4/0x2b0
<4>[  642.120085]  ? up_read+0x22/0x30
<4>[  642.120088]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.120091]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.120095]  ? irqentry_exit+0x77/0xb0
<4>[  642.120097]  ? clear_bhb_loop+0x15/0x70
<4>[  642.120099]  ? clear_bhb_loop+0x15/0x70
<4>[  642.120101]  ? clear_bhb_loop+0x15/0x70
<4>[  642.120103]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.120106] RIP: 0033:0x7b6f0df24ded
<4>[  642.120108] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.120110] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.120112] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.120114] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.120115] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.120117] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.120118] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.120244]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.122371]  do_syscall_64+0x91/0x180
<4>[  642.122398]  ? find_held_lock+0x31/0x90
<4>[  642.122403]  ? lock_release+0xd4/0x2b0
<4>[  642.122407]  ? find_held_lock+0x31/0x90
<4>[  642.122409]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.122413]  ? lock_release+0xd4/0x2b0
<4>[  642.122418]  ? up_read+0x22/0x30
<4>[  642.122420]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.122424]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.122427]  ? irqentry_exit+0x77/0xb0
<4>[  642.122430]  ? clear_bhb_loop+0x15/0x70
<4>[  642.122432]  ? clear_bhb_loop+0x15/0x70
<4>[  642.122433]  ? clear_bhb_loop+0x15/0x70
<4>[  642.122436]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.122439] RIP: 0033:0x7b6f0df24ded
<4>[  642.122441] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.122442] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.122445] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.122447] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.122448] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.122450] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.122451] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<2>[  642.122471] DMAR: ERROR: DMA PTE for vPFN 0x3d174bd already set (to 2ba4bc003 not 2ba4bc003)
<4>[  642.122688]  dma_map_sgtable+0x1d/0x40
<4>[  642.124734]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  642.124744]  ? find_held_lock+0x31/0x90
<4>[  642.124749]  ? lock_release+0xd4/0x2b0
<4>[  642.124753]  ? find_held_lock+0x31/0x90
<4>[  642.124756]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.124760]  ? lock_release+0xd4/0x2b0
<4>[  642.124764]  ? up_read+0x22/0x30
<4>[  642.124767]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.124770]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.124774]  ? irqentry_exit+0x77/0xb0
<4>[  642.124776]  ? clear_bhb_loop+0x15/0x70
<4>[  642.124778]  ? clear_bhb_loop+0x15/0x70
<4>[  642.124780]  ? clear_bhb_loop+0x15/0x70
<4>[  642.124782]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.124785] RIP: 0033:0x7b6f0df24ded
<4>[  642.124787] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.124789] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.124791] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.124793] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.124795] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.124796] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.124798] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.124925]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.127051]  x64_sys_call+0x131e/0x2650
<4>[  642.127080]  ? find_held_lock+0x31/0x90
<4>[  642.127086]  ? lock_release+0xd4/0x2b0
<4>[  642.127090]  ? find_held_lock+0x31/0x90
<4>[  642.127092]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.127096]  ? lock_release+0xd4/0x2b0
<4>[  642.127101]  ? up_read+0x22/0x30
<4>[  642.127103]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.127107]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.127110]  ? irqentry_exit+0x77/0xb0
<4>[  642.127113]  ? clear_bhb_loop+0x15/0x70
<4>[  642.127115]  ? clear_bhb_loop+0x15/0x70
<4>[  642.127116]  ? clear_bhb_loop+0x15/0x70
<4>[  642.127119]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.127122] RIP: 0033:0x7b6f0df24ded
<4>[  642.127124] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.127126] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.127128] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.127130] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.127131] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.127133] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.127134] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.127260]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.129222]  drm_ioctl_kernel+0xb9/0x120
<4>[  642.129415]  ? find_held_lock+0x31/0x90
<4>[  642.129417]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.129420]  ? lock_release+0xd4/0x2b0
<4>[  642.129424]  ? find_held_lock+0x31/0x90
<4>[  642.129427]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.129430]  ? lock_release+0xd4/0x2b0
<4>[  642.129435]  ? up_read+0x22/0x30
<4>[  642.129437]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.129441]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.129445]  ? irqentry_exit+0x77/0xb0
<4>[  642.129447]  ? clear_bhb_loop+0x15/0x70
<4>[  642.129449]  ? clear_bhb_loop+0x15/0x70
<4>[  642.129451]  ? clear_bhb_loop+0x15/0x70
<4>[  642.129453]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.129456] RIP: 0033:0x7b6f0df24ded
<4>[  642.129458] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.129460] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.129462] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.129464] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.129465] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.129467] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.129468] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.129601]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.131760]  ? do_syscall_64+0x9d/0x180
<4>[  642.131763]  ? find_held_lock+0x31/0x90
<4>[  642.131768]  ? lock_release+0xd4/0x2b0
<4>[  642.131772]  ? find_held_lock+0x31/0x90
<4>[  642.131775]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.131779]  ? lock_release+0xd4/0x2b0
<4>[  642.131783]  ? up_read+0x22/0x30
<4>[  642.131786]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.131789]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.131793]  ? irqentry_exit+0x77/0xb0
<4>[  642.131795]  ? clear_bhb_loop+0x15/0x70
<4>[  642.131797]  ? clear_bhb_loop+0x15/0x70
<4>[  642.131799]  ? clear_bhb_loop+0x15/0x70
<4>[  642.131802]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.131804] RIP: 0033:0x7b6f0df24ded
<4>[  642.131806] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.131808] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.131811] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.131812] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.131814] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.131815] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.131817] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.131944]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.134071]  x64_sys_call+0x131e/0x2650
<4>[  642.134100]  ? find_held_lock+0x31/0x90
<4>[  642.134105]  ? lock_release+0xd4/0x2b0
<4>[  642.134110]  ? find_held_lock+0x31/0x90
<4>[  642.134112]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.134116]  ? lock_release+0xd4/0x2b0
<4>[  642.134121]  ? up_read+0x22/0x30
<4>[  642.134123]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.134127]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.134130]  ? irqentry_exit+0x77/0xb0
<4>[  642.134132]  ? clear_bhb_loop+0x15/0x70
<4>[  642.134134]  ? clear_bhb_loop+0x15/0x70
<4>[  642.134136]  ? clear_bhb_loop+0x15/0x70
<4>[  642.134139]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.134141] RIP: 0033:0x7b6f0df24ded
<4>[  642.134143] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.134145] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.134148] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.134149] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.134151] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.134152] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.134154] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.134279]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.136238]  drm_ioctl_kernel+0xb9/0x120
<4>[  642.136431]  ? find_held_lock+0x31/0x90
<4>[  642.136434]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.136437]  ? lock_release+0xd4/0x2b0
<4>[  642.136441]  ? find_held_lock+0x31/0x90
<4>[  642.136443]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.136447]  ? lock_release+0xd4/0x2b0
<4>[  642.136452]  ? up_read+0x22/0x30
<4>[  642.136454]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.136458]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.136461]  ? irqentry_exit+0x77/0xb0
<4>[  642.136464]  ? clear_bhb_loop+0x15/0x70
<4>[  642.136466]  ? clear_bhb_loop+0x15/0x70
<4>[  642.136467]  ? clear_bhb_loop+0x15/0x70
<4>[  642.136470]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.136472] RIP: 0033:0x7b6f0df24ded
<4>[  642.136474] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.136476] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.136479] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.136480] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.136482] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.136483] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.136485] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.136618]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.138767]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.138773]  ? find_held_lock+0x31/0x90
<4>[  642.138779]  ? lock_release+0xd4/0x2b0
<4>[  642.138783]  ? find_held_lock+0x31/0x90
<4>[  642.138785]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.138789]  ? lock_release+0xd4/0x2b0
<4>[  642.138794]  ? up_read+0x22/0x30
<4>[  642.138796]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.138800]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.138803]  ? irqentry_exit+0x77/0xb0
<4>[  642.138806]  ? clear_bhb_loop+0x15/0x70
<4>[  642.138808]  ? clear_bhb_loop+0x15/0x70
<4>[  642.138810]  ? clear_bhb_loop+0x15/0x70
<4>[  642.138812]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.138815] RIP: 0033:0x7b6f0df24ded
<4>[  642.138817] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.138819] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.138821] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.138823] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.138824] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.138826] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.138827] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.138953]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.141106]  ? do_syscall_64+0x9d/0x180
<4>[  642.141108]  ? find_held_lock+0x31/0x90
<4>[  642.141114]  ? lock_release+0xd4/0x2b0
<4>[  642.141118]  ? find_held_lock+0x31/0x90
<4>[  642.141120]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.141124]  ? lock_release+0xd4/0x2b0
<4>[  642.141129]  ? up_read+0x22/0x30
<4>[  642.141131]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.141135]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.141138]  ? irqentry_exit+0x77/0xb0
<4>[  642.141141]  ? clear_bhb_loop+0x15/0x70
<4>[  642.141143]  ? clear_bhb_loop+0x15/0x70
<4>[  642.141145]  ? clear_bhb_loop+0x15/0x70
<4>[  642.141147]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.141150] RIP: 0033:0x7b6f0df24ded
<4>[  642.141152] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.141154] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.141156] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.141158] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.141159] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.141161] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.141162] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.141288]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.143409]  __x64_sys_ioctl+0xa4/0xe0
<4>[  642.143442]  ? find_held_lock+0x31/0x90
<4>[  642.143445]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.143448]  ? lock_release+0xd4/0x2b0
<4>[  642.143452]  ? find_held_lock+0x31/0x90
<4>[  642.143454]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.143458]  ? lock_release+0xd4/0x2b0
<4>[  642.143463]  ? up_read+0x22/0x30
<4>[  642.143465]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.143469]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.143472]  ? irqentry_exit+0x77/0xb0
<4>[  642.143475]  ? clear_bhb_loop+0x15/0x70
<4>[  642.143477]  ? clear_bhb_loop+0x15/0x70
<4>[  642.143478]  ? clear_bhb_loop+0x15/0x70
<4>[  642.143481]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.143484] RIP: 0033:0x7b6f0df24ded
<4>[  642.143486] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.143488] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.143490] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.143492] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.143493] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.143495] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.143496] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.143629]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.145785]  ? do_syscall_64+0x9d/0x180
<4>[  642.145787]  ? find_held_lock+0x31/0x90
<4>[  642.145793]  ? lock_release+0xd4/0x2b0
<4>[  642.145797]  ? find_held_lock+0x31/0x90
<4>[  642.145799]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.145803]  ? lock_release+0xd4/0x2b0
<4>[  642.145808]  ? up_read+0x22/0x30
<4>[  642.145810]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.145814]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.145817]  ? irqentry_exit+0x77/0xb0
<4>[  642.145820]  ? clear_bhb_loop+0x15/0x70
<4>[  642.145822]  ? clear_bhb_loop+0x15/0x70
<4>[  642.145823]  ? clear_bhb_loop+0x15/0x70
<4>[  642.145826]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.145829] RIP: 0033:0x7b6f0df24ded
<4>[  642.145830] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.145832] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.145835] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.145837] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.145838] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.145840] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.145841] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.145967]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.148107]  ? __vm_munmap+0xd7/0x1b0
<4>[  642.148122]  ? find_held_lock+0x31/0x90
<4>[  642.148128]  ? lock_release+0xd4/0x2b0
<4>[  642.148132]  ? find_held_lock+0x31/0x90
<4>[  642.148134]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.148138]  ? lock_release+0xd4/0x2b0
<4>[  642.148143]  ? up_read+0x22/0x30
<4>[  642.148145]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.148149]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.148152]  ? irqentry_exit+0x77/0xb0
<4>[  642.148155]  ? clear_bhb_loop+0x15/0x70
<4>[  642.148157]  ? clear_bhb_loop+0x15/0x70
<4>[  642.148158]  ? clear_bhb_loop+0x15/0x70
<4>[  642.148161]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.148164] RIP: 0033:0x7b6f0df24ded
<4>[  642.148166] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.148167] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.148170] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.148172] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.148173] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.148175] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.148176] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.148194] ---[ end trace 0000000000000000 ]---
<4>[  642.148315] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  642.148880]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  642.150458]  ? find_held_lock+0x31/0x90
<4>[  642.150464]  ? lock_release+0xd4/0x2b0
<4>[  642.150468]  ? find_held_lock+0x31/0x90
<4>[  642.150470]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.150474]  ? lock_release+0xd4/0x2b0
<4>[  642.150479]  ? up_read+0x22/0x30
<4>[  642.150481]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.150485]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.150488]  ? irqentry_exit+0x77/0xb0
<4>[  642.150491]  ? clear_bhb_loop+0x15/0x70
<4>[  642.150493]  ? clear_bhb_loop+0x15/0x70
<4>[  642.150494]  ? clear_bhb_loop+0x15/0x70
<4>[  642.150497]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.150500] RIP: 0033:0x7b6f0df24ded
<4>[  642.150502] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.150503] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.150506] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.150508] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.150509] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.150511] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.150512] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.150536] ---[ end trace 0000000000000000 ]---
<4>[  642.150657] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  642.151674]  i915_vma_pin_ww+0xf7/0x1340 [i915]
<4>[  642.152799]  ? find_held_lock+0x31/0x90
<4>[  642.152802]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.152805]  ? lock_release+0xd4/0x2b0
<4>[  642.152809]  ? find_held_lock+0x31/0x90
<4>[  642.152811]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.152815]  ? lock_release+0xd4/0x2b0
<4>[  642.152820]  ? up_read+0x22/0x30
<4>[  642.152822]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.152826]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.152829]  ? irqentry_exit+0x77/0xb0
<4>[  642.152832]  ? clear_bhb_loop+0x15/0x70
<4>[  642.152834]  ? clear_bhb_loop+0x15/0x70
<4>[  642.152835]  ? clear_bhb_loop+0x15/0x70
<4>[  642.152838]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.152840] RIP: 0033:0x7b6f0df24ded
<4>[  642.152842] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.152844] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.152847] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.152848] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.152850] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.152852] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.152853] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.152979]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.155127]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.155134]  ? find_held_lock+0x31/0x90
<4>[  642.155139]  ? lock_release+0xd4/0x2b0
<4>[  642.155143]  ? find_held_lock+0x31/0x90
<4>[  642.155145]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.155149]  ? lock_release+0xd4/0x2b0
<4>[  642.155154]  ? up_read+0x22/0x30
<4>[  642.155156]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.155160]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.155163]  ? irqentry_exit+0x77/0xb0
<4>[  642.155166]  ? clear_bhb_loop+0x15/0x70
<4>[  642.155168]  ? clear_bhb_loop+0x15/0x70
<4>[  642.155170]  ? clear_bhb_loop+0x15/0x70
<4>[  642.155172]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.155175] RIP: 0033:0x7b6f0df24ded
<4>[  642.155177] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.155179] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.155181] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.155183] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.155184] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.155186] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.155187] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.155313]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.157128]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  642.157468]  ? find_held_lock+0x31/0x90
<4>[  642.157473]  ? lock_release+0xd4/0x2b0
<4>[  642.157477]  ? find_held_lock+0x31/0x90
<4>[  642.157480]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.157483]  ? lock_release+0xd4/0x2b0
<4>[  642.157488]  ? up_read+0x22/0x30
<4>[  642.157491]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.157494]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.157498]  ? irqentry_exit+0x77/0xb0
<4>[  642.157500]  ? clear_bhb_loop+0x15/0x70
<4>[  642.157502]  ? clear_bhb_loop+0x15/0x70
<4>[  642.157504]  ? clear_bhb_loop+0x15/0x70
<4>[  642.157506]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.157509] RIP: 0033:0x7b6f0df24ded
<4>[  642.157511] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.157513] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.157515] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.157517] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.157519] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.157520] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.157522] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.157534]  </TASK>
<4>[  642.157539] hardirqs last disabled at (263260320): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.157685] CR2: 00007b6f0df24dc3 CR3: 0000000155636005 CR4: 00000000003726f0
<4>[  642.159810]  ? find_held_lock+0x31/0x90
<4>[  642.159812]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.159815]  ? lock_release+0xd4/0x2b0
<4>[  642.159819]  ? find_held_lock+0x31/0x90
<4>[  642.159822]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.159825]  ? lock_release+0xd4/0x2b0
<4>[  642.159830]  ? up_read+0x22/0x30
<4>[  642.159833]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.159836]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.159840]  ? irqentry_exit+0x77/0xb0
<4>[  642.159842]  ? clear_bhb_loop+0x15/0x70
<4>[  642.159844]  ? clear_bhb_loop+0x15/0x70
<4>[  642.159846]  ? clear_bhb_loop+0x15/0x70
<4>[  642.159848]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.159851] RIP: 0033:0x7b6f0df24ded
<4>[  642.159853] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.159855] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.159857] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.159859] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.159860] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.159862] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.159864] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.159876] hardirqs last disabled at (263261444): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.160032]  ? __warn+0x93/0x1c0
<4>[  642.161958]  drm_ioctl+0x2f9/0x5b0
<4>[  642.162144]  ? do_syscall_64+0x9d/0x180
<4>[  642.162146]  ? find_held_lock+0x31/0x90
<4>[  642.162152]  ? lock_release+0xd4/0x2b0
<4>[  642.162156]  ? find_held_lock+0x31/0x90
<4>[  642.162158]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.162162]  ? lock_release+0xd4/0x2b0
<4>[  642.162167]  ? up_read+0x22/0x30
<4>[  642.162169]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.162172]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.162176]  ? irqentry_exit+0x77/0xb0
<4>[  642.162179]  ? clear_bhb_loop+0x15/0x70
<4>[  642.162180]  ? clear_bhb_loop+0x15/0x70
<4>[  642.162182]  ? clear_bhb_loop+0x15/0x70
<4>[  642.162185]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.162187] RIP: 0033:0x7b6f0df24ded
<4>[  642.162189] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.162191] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.162194] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.162195] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.162197] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.162198] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.162200] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.162207]  </TASK>
<4>[  642.162212] hardirqs last disabled at (263262568): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.162357] CR2: 00007b6f0df24dc3 CR3: 0000000155636005 CR4: 00000000003726f0
<4>[  642.164484]  ? find_held_lock+0x31/0x90
<4>[  642.164486]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.164489]  ? lock_release+0xd4/0x2b0
<4>[  642.164493]  ? find_held_lock+0x31/0x90
<4>[  642.164496]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.164500]  ? lock_release+0xd4/0x2b0
<4>[  642.164504]  ? up_read+0x22/0x30
<4>[  642.164507]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.164510]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.164514]  ? irqentry_exit+0x77/0xb0
<4>[  642.164516]  ? clear_bhb_loop+0x15/0x70
<4>[  642.164518]  ? clear_bhb_loop+0x15/0x70
<4>[  642.164520]  ? clear_bhb_loop+0x15/0x70
<4>[  642.164527]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.164530] RIP: 0033:0x7b6f0df24ded
<4>[  642.164532] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.164534] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.164537] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.164538] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.164540] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.164541] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.164543] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.164561] ---[ end trace 0000000000000000 ]---
<4>[  642.164682] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  642.164761]  iommu_dma_map_sg+0x43b/0x520
<4>[  642.166810]  ? __vm_munmap+0xd7/0x1b0
<4>[  642.166825]  ? find_held_lock+0x31/0x90
<4>[  642.166828]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.166831]  ? lock_release+0xd4/0x2b0
<4>[  642.166835]  ? find_held_lock+0x31/0x90
<4>[  642.166837]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.166841]  ? lock_release+0xd4/0x2b0
<4>[  642.166846]  ? up_read+0x22/0x30
<4>[  642.166848]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.166852]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.166855]  ? irqentry_exit+0x77/0xb0
<4>[  642.166858]  ? clear_bhb_loop+0x15/0x70
<4>[  642.166860]  ? clear_bhb_loop+0x15/0x70
<4>[  642.166862]  ? clear_bhb_loop+0x15/0x70
<4>[  642.166864]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.166867] RIP: 0033:0x7b6f0df24ded
<4>[  642.166869] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.166871] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.166873] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.166875] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.166876] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.166878] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.166879] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.166893] softirqs last  enabled at (263201548): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  642.167049]  ? intel_iommu_map_pages+0x687/0x820
<4>[  642.169149]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  642.169159]  ? find_held_lock+0x31/0x90
<4>[  642.169164]  ? lock_release+0xd4/0x2b0
<4>[  642.169169]  ? find_held_lock+0x31/0x90
<4>[  642.169171]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.169175]  ? lock_release+0xd4/0x2b0
<4>[  642.169179]  ? up_read+0x22/0x30
<4>[  642.169182]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.169185]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.169189]  ? irqentry_exit+0x77/0xb0
<4>[  642.169191]  ? clear_bhb_loop+0x15/0x70
<4>[  642.169193]  ? clear_bhb_loop+0x15/0x70
<4>[  642.169195]  ? clear_bhb_loop+0x15/0x70
<4>[  642.169198]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.169200] RIP: 0033:0x7b6f0df24ded
<4>[  642.169202] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.169204] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.169207] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.169208] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.169210] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.169211] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.169213] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.169219]  </TASK>
<4>[  642.169225] hardirqs last disabled at (263265942): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.169374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  642.171493]  ? find_held_lock+0x31/0x90
<4>[  642.171495]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.171498]  ? lock_release+0xd4/0x2b0
<4>[  642.171502]  ? find_held_lock+0x31/0x90
<4>[  642.171505]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.171508]  ? lock_release+0xd4/0x2b0
<4>[  642.171513]  ? up_read+0x22/0x30
<4>[  642.171515]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.171519]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.171528]  ? irqentry_exit+0x77/0xb0
<4>[  642.171530]  ? clear_bhb_loop+0x15/0x70
<4>[  642.171532]  ? clear_bhb_loop+0x15/0x70
<4>[  642.171534]  ? clear_bhb_loop+0x15/0x70
<4>[  642.171536]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.171539] RIP: 0033:0x7b6f0df24ded
<4>[  642.171541] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.171543] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.171546] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.171547] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.171549] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.171550] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.171552] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.171566] softirqs last  enabled at (263201548): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  642.171722]  ? intel_iommu_map_pages+0x687/0x820
<4>[  642.173816]  ? __vm_munmap+0xd7/0x1b0
<4>[  642.173832]  ? find_held_lock+0x31/0x90
<4>[  642.173837]  ? lock_release+0xd4/0x2b0
<4>[  642.173841]  ? find_held_lock+0x31/0x90
<4>[  642.173844]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.173848]  ? lock_release+0xd4/0x2b0
<4>[  642.173852]  ? up_read+0x22/0x30
<4>[  642.173855]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.173858]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.173862]  ? irqentry_exit+0x77/0xb0
<4>[  642.173864]  ? clear_bhb_loop+0x15/0x70
<4>[  642.173866]  ? clear_bhb_loop+0x15/0x70
<4>[  642.173868]  ? clear_bhb_loop+0x15/0x70
<4>[  642.173870]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.173873] RIP: 0033:0x7b6f0df24ded
<4>[  642.173875] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.173877] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.173879] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.173881] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.173882] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.173884] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.173885] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.173892]  </TASK>
<4>[  642.173894] irq event stamp: 263268181
<4>[  642.174011]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.175828]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  642.176169]  ? find_held_lock+0x31/0x90
<4>[  642.176174]  ? lock_release+0xd4/0x2b0
<4>[  642.176178]  ? find_held_lock+0x31/0x90
<4>[  642.176181]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.176185]  ? lock_release+0xd4/0x2b0
<4>[  642.176189]  ? up_read+0x22/0x30
<4>[  642.176192]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.176195]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.176199]  ? irqentry_exit+0x77/0xb0
<4>[  642.176201]  ? clear_bhb_loop+0x15/0x70
<4>[  642.176203]  ? clear_bhb_loop+0x15/0x70
<4>[  642.176205]  ? clear_bhb_loop+0x15/0x70
<4>[  642.176207]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.176210] RIP: 0033:0x7b6f0df24ded
<4>[  642.176212] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.176214] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.176217] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.176218] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.176220] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.176221] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.176223] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.176230]  </TASK>
<4>[  642.176235] hardirqs last disabled at (263269316): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.176378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  642.178498]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.178504]  ? find_held_lock+0x31/0x90
<4>[  642.178510]  ? lock_release+0xd4/0x2b0
<4>[  642.178514]  ? find_held_lock+0x31/0x90
<4>[  642.178516]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.178525]  ? lock_release+0xd4/0x2b0
<4>[  642.178530]  ? up_read+0x22/0x30
<4>[  642.178533]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.178536]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.178540]  ? irqentry_exit+0x77/0xb0
<4>[  642.178542]  ? clear_bhb_loop+0x15/0x70
<4>[  642.178544]  ? clear_bhb_loop+0x15/0x70
<4>[  642.178546]  ? clear_bhb_loop+0x15/0x70
<4>[  642.178548]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.178551] RIP: 0033:0x7b6f0df24ded
<4>[  642.178553] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.178555] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.178557] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.178559] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.178561] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.178562] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.178563] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.178576] hardirqs last disabled at (263270442): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.178720] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  642.180844]  ? do_syscall_64+0x9d/0x180
<4>[  642.180846]  ? find_held_lock+0x31/0x90
<4>[  642.180852]  ? lock_release+0xd4/0x2b0
<4>[  642.180856]  ? find_held_lock+0x31/0x90
<4>[  642.180858]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.180862]  ? lock_release+0xd4/0x2b0
<4>[  642.180867]  ? up_read+0x22/0x30
<4>[  642.180869]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.180873]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.180876]  ? irqentry_exit+0x77/0xb0
<4>[  642.180879]  ? clear_bhb_loop+0x15/0x70
<4>[  642.180881]  ? clear_bhb_loop+0x15/0x70
<4>[  642.180882]  ? clear_bhb_loop+0x15/0x70
<4>[  642.180885]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.180888] RIP: 0033:0x7b6f0df24ded
<4>[  642.180889] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.180891] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.180894] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.180896] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.180897] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.180899] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.180900] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.180907]  </TASK>
<4>[  642.180914] softirqs last  enabled at (263201548): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  642.181071]  ? intel_iommu_map_pages+0x687/0x820
<4>[  642.183167]  ? __vm_munmap+0xd7/0x1b0
<4>[  642.183182]  ? find_held_lock+0x31/0x90
<4>[  642.183188]  ? lock_release+0xd4/0x2b0
<4>[  642.183192]  ? find_held_lock+0x31/0x90
<4>[  642.183194]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.183198]  ? lock_release+0xd4/0x2b0
<4>[  642.183203]  ? up_read+0x22/0x30
<4>[  642.183205]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.183209]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.183212]  ? irqentry_exit+0x77/0xb0
<4>[  642.183214]  ? clear_bhb_loop+0x15/0x70
<4>[  642.183216]  ? clear_bhb_loop+0x15/0x70
<4>[  642.183218]  ? clear_bhb_loop+0x15/0x70
<4>[  642.183221]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.183223] RIP: 0033:0x7b6f0df24ded
<4>[  642.183225] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.183227] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.183230] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.183231] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.183233] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.183234] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.183236] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.183243]  </TASK>
<4>[  642.183244] irq event stamp: 263272679
<4>[  642.183362]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.185179]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  642.185524]  ? find_held_lock+0x31/0x90
<4>[  642.185529]  ? lock_release+0xd4/0x2b0
<4>[  642.185533]  ? find_held_lock+0x31/0x90
<4>[  642.185536]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.185540]  ? lock_release+0xd4/0x2b0
<4>[  642.185545]  ? up_read+0x22/0x30
<4>[  642.185547]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.185551]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.185554]  ? irqentry_exit+0x77/0xb0
<4>[  642.185556]  ? clear_bhb_loop+0x15/0x70
<4>[  642.185558]  ? clear_bhb_loop+0x15/0x70
<4>[  642.185560]  ? clear_bhb_loop+0x15/0x70
<4>[  642.185563]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.185565] RIP: 0033:0x7b6f0df24ded
<4>[  642.185567] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.185569] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.185572] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.185573] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.185575] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.185577] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.185578] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.185585]  </TASK>
<4>[  642.185588] hardirqs last  enabled at (263273811): [<ffffffff814a5d09>] __up_console_sem+0x79/0xa0
<4>[  642.185734] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  642.187851]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  642.187861]  ? find_held_lock+0x31/0x90
<4>[  642.187867]  ? lock_release+0xd4/0x2b0
<4>[  642.187871]  ? find_held_lock+0x31/0x90
<4>[  642.187873]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.187877]  ? lock_release+0xd4/0x2b0
<4>[  642.187882]  ? up_read+0x22/0x30
<4>[  642.187884]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.187888]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.187891]  ? irqentry_exit+0x77/0xb0
<4>[  642.187894]  ? clear_bhb_loop+0x15/0x70
<4>[  642.187896]  ? clear_bhb_loop+0x15/0x70
<4>[  642.187898]  ? clear_bhb_loop+0x15/0x70
<4>[  642.187900]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.187903] RIP: 0033:0x7b6f0df24ded
<4>[  642.187905] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.187907] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.187910] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.187911] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.187913] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.187914] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.187916] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.187923]  </TASK>
<4>[  642.187930] softirqs last  enabled at (263201548): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  642.188108]  ? intel_iommu_map_pages+0x687/0x820
<4>[  642.190188]  ? trace_hardirqs_off+0x5d/0xe0
<4>[  642.190198]  ? find_held_lock+0x31/0x90
<4>[  642.190204]  ? lock_release+0xd4/0x2b0
<4>[  642.190208]  ? find_held_lock+0x31/0x90
<4>[  642.190210]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.190214]  ? lock_release+0xd4/0x2b0
<4>[  642.190219]  ? up_read+0x22/0x30
<4>[  642.190221]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.190225]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.190228]  ? irqentry_exit+0x77/0xb0
<4>[  642.190231]  ? clear_bhb_loop+0x15/0x70
<4>[  642.190232]  ? clear_bhb_loop+0x15/0x70
<4>[  642.190234]  ? clear_bhb_loop+0x15/0x70
<4>[  642.190237]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.190239] RIP: 0033:0x7b6f0df24ded
<4>[  642.190241] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.190243] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.190246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.190247] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.190249] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.190251] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.190252] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.190259]  </TASK>
<4>[  642.190262] hardirqs last  enabled at (263276059): [<ffffffff814a5d09>] __up_console_sem+0x79/0xa0
<4>[  642.190407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  642.192531]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.192537]  ? find_held_lock+0x31/0x90
<4>[  642.192542]  ? lock_release+0xd4/0x2b0
<4>[  642.192546]  ? find_held_lock+0x31/0x90
<4>[  642.192549]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.192553]  ? lock_release+0xd4/0x2b0
<4>[  642.192557]  ? up_read+0x22/0x30
<4>[  642.192560]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.192563]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.192567]  ? irqentry_exit+0x77/0xb0
<4>[  642.192569]  ? clear_bhb_loop+0x15/0x70
<4>[  642.192571]  ? clear_bhb_loop+0x15/0x70
<4>[  642.192573]  ? clear_bhb_loop+0x15/0x70
<4>[  642.192575]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.192578] RIP: 0033:0x7b6f0df24ded
<4>[  642.192580] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.192582] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.192585] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.192586] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.192588] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.192590] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.192591] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.192603] hardirqs last disabled at (263277190): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.192759]  ? __warn+0x93/0x1c0
<4>[  642.194682]  drm_ioctl+0x2f9/0x5b0
<4>[  642.194865]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.194871]  ? find_held_lock+0x31/0x90
<4>[  642.194876]  ? lock_release+0xd4/0x2b0
<4>[  642.194880]  ? find_held_lock+0x31/0x90
<4>[  642.194883]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.194887]  ? lock_release+0xd4/0x2b0
<4>[  642.194891]  ? up_read+0x22/0x30
<4>[  642.194894]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.194898]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.194901]  ? irqentry_exit+0x77/0xb0
<4>[  642.194903]  ? clear_bhb_loop+0x15/0x70
<4>[  642.194905]  ? clear_bhb_loop+0x15/0x70
<4>[  642.194907]  ? clear_bhb_loop+0x15/0x70
<4>[  642.194910]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.194912] RIP: 0033:0x7b6f0df24ded
<4>[  642.194914] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.194916] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.194919] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.194920] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.194922] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.194923] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.194925] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.194937] hardirqs last disabled at (263278314): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.195079] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  642.197203]  ? do_syscall_64+0x9d/0x180
<4>[  642.197206]  ? find_held_lock+0x31/0x90
<4>[  642.197211]  ? lock_release+0xd4/0x2b0
<4>[  642.197215]  ? find_held_lock+0x31/0x90
<4>[  642.197217]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.197221]  ? lock_release+0xd4/0x2b0
<4>[  642.197226]  ? up_read+0x22/0x30
<4>[  642.197228]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.197232]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.197235]  ? irqentry_exit+0x77/0xb0
<4>[  642.197238]  ? clear_bhb_loop+0x15/0x70
<4>[  642.197240]  ? clear_bhb_loop+0x15/0x70
<4>[  642.197241]  ? clear_bhb_loop+0x15/0x70
<4>[  642.197244]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.197247] RIP: 0033:0x7b6f0df24ded
<4>[  642.197249] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.197251] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.197254] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.197255] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.197257] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.197258] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.197260] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.197266]  </TASK>
<4>[  642.197272] hardirqs last disabled at (263279438): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.197416] CR2: 00007b6f0df24dc3 CR3: 0000000155636005 CR4: 00000000003726f0
<4>[  642.199549]  ? find_held_lock+0x31/0x90
<4>[  642.199552]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.199555]  ? lock_release+0xd4/0x2b0
<4>[  642.199559]  ? find_held_lock+0x31/0x90
<4>[  642.199561]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.199565]  ? lock_release+0xd4/0x2b0
<4>[  642.199570]  ? up_read+0x22/0x30
<4>[  642.199572]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.199576]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.199579]  ? irqentry_exit+0x77/0xb0
<4>[  642.199582]  ? clear_bhb_loop+0x15/0x70
<4>[  642.199584]  ? clear_bhb_loop+0x15/0x70
<4>[  642.199585]  ? clear_bhb_loop+0x15/0x70
<4>[  642.199588]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.199591] RIP: 0033:0x7b6f0df24ded
<4>[  642.199593] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.199595] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.199597] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.199599] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.199601] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.199602] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.199603] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.199622] ---[ end trace 0000000000000000 ]---
<4>[  642.199742] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  642.199810]  __iommu_map+0x11e/0x2d0
<4>[  642.201856]  x64_sys_call+0x131e/0x2650
<4>[  642.201885]  ? find_held_lock+0x31/0x90
<4>[  642.201888]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.201891]  ? lock_release+0xd4/0x2b0
<4>[  642.201895]  ? find_held_lock+0x31/0x90
<4>[  642.201897]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.201901]  ? lock_release+0xd4/0x2b0
<4>[  642.201906]  ? up_read+0x22/0x30
<4>[  642.201909]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.201912]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.201916]  ? irqentry_exit+0x77/0xb0
<4>[  642.201918]  ? clear_bhb_loop+0x15/0x70
<4>[  642.201920]  ? clear_bhb_loop+0x15/0x70
<4>[  642.201922]  ? clear_bhb_loop+0x15/0x70
<4>[  642.201924]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.201927] RIP: 0033:0x7b6f0df24ded
<4>[  642.201929] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.201931] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.201933] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.201935] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.201937] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.201938] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.201940] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.201954] softirqs last  enabled at (263201548): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  642.202110]  ? intel_iommu_map_pages+0x687/0x820
<4>[  642.204207]  ? __vm_munmap+0xd7/0x1b0
<4>[  642.204222]  ? find_held_lock+0x31/0x90
<4>[  642.204228]  ? lock_release+0xd4/0x2b0
<4>[  642.204232]  ? find_held_lock+0x31/0x90
<4>[  642.204234]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.204238]  ? lock_release+0xd4/0x2b0
<4>[  642.204243]  ? up_read+0x22/0x30
<4>[  642.204245]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.204249]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.204252]  ? irqentry_exit+0x77/0xb0
<4>[  642.204255]  ? clear_bhb_loop+0x15/0x70
<4>[  642.204257]  ? clear_bhb_loop+0x15/0x70
<4>[  642.204258]  ? clear_bhb_loop+0x15/0x70
<4>[  642.204261]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.204263] RIP: 0033:0x7b6f0df24ded
<4>[  642.204265] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.204267] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.204270] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.204271] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.204273] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.204274] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.204276] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.204283]  </TASK>
<4>[  642.204284] irq event stamp: 263282801
<4>[  642.204402]  efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: drm_cmdline_parser_test]
<4>[  642.206367]  drm_ioctl+0x2f9/0x5b0
<4>[  642.206554]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.206560]  ? find_held_lock+0x31/0x90
<4>[  642.206565]  ? lock_release+0xd4/0x2b0
<4>[  642.206569]  ? find_held_lock+0x31/0x90
<4>[  642.206571]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.206575]  ? lock_release+0xd4/0x2b0
<4>[  642.206580]  ? up_read+0x22/0x30
<4>[  642.206583]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.206586]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.206590]  ? irqentry_exit+0x77/0xb0
<4>[  642.206592]  ? clear_bhb_loop+0x15/0x70
<4>[  642.206594]  ? clear_bhb_loop+0x15/0x70
<4>[  642.206596]  ? clear_bhb_loop+0x15/0x70
<4>[  642.206599]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.206601] RIP: 0033:0x7b6f0df24ded
<4>[  642.206603] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.206605] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.206608] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.206609] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.206611] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.206612] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.206614] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.206626] hardirqs last disabled at (263283938): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.206774] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  642.208895]  ? find_held_lock+0x31/0x90
<4>[  642.208897]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.208900]  ? lock_release+0xd4/0x2b0
<4>[  642.208904]  ? find_held_lock+0x31/0x90
<4>[  642.208907]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.208910]  ? lock_release+0xd4/0x2b0
<4>[  642.208915]  ? up_read+0x22/0x30
<4>[  642.208918]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.208921]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.208925]  ? irqentry_exit+0x77/0xb0
<4>[  642.208927]  ? clear_bhb_loop+0x15/0x70
<4>[  642.208929]  ? clear_bhb_loop+0x15/0x70
<4>[  642.208931]  ? clear_bhb_loop+0x15/0x70
<4>[  642.208933]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.208936] RIP: 0033:0x7b6f0df24ded
<4>[  642.208938] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.208940] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.208943] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.208944] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.208946] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.208947] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.208949] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.208963] softirqs last  enabled at (263201548): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  642.209147]  ? mark_held_locks+0x46/0x90
<4>[  642.211205]  do_syscall_64+0x91/0x180
<4>[  642.211231]  ? find_held_lock+0x31/0x90
<4>[  642.211233]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.211236]  ? lock_release+0xd4/0x2b0
<4>[  642.211240]  ? find_held_lock+0x31/0x90
<4>[  642.211243]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.211246]  ? lock_release+0xd4/0x2b0
<4>[  642.211251]  ? up_read+0x22/0x30
<4>[  642.211254]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.211257]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.211261]  ? irqentry_exit+0x77/0xb0
<4>[  642.211263]  ? clear_bhb_loop+0x15/0x70
<4>[  642.211265]  ? clear_bhb_loop+0x15/0x70
<4>[  642.211267]  ? clear_bhb_loop+0x15/0x70
<4>[  642.211269]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.211272] RIP: 0033:0x7b6f0df24ded
<4>[  642.211274] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.211276] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.211278] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.211280] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.211282] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.211283] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.211285] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.211301] softirqs last disabled at (263201543): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  642.211987]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  642.213572]  ? find_held_lock+0x31/0x90
<4>[  642.213574]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.213577]  ? lock_release+0xd4/0x2b0
<4>[  642.213581]  ? find_held_lock+0x31/0x90
<4>[  642.213584]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.213588]  ? lock_release+0xd4/0x2b0
<4>[  642.213592]  ? up_read+0x22/0x30
<4>[  642.213595]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.213598]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.213602]  ? irqentry_exit+0x77/0xb0
<4>[  642.213604]  ? clear_bhb_loop+0x15/0x70
<4>[  642.213606]  ? clear_bhb_loop+0x15/0x70
<4>[  642.213608]  ? clear_bhb_loop+0x15/0x70
<4>[  642.213611]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.213613] RIP: 0033:0x7b6f0df24ded
<4>[  642.213615] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.213617] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.213620] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.213621] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.213623] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.213624] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.213626] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.213638] hardirqs last disabled at (263287312): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.213783] CR2: 00007b6f0df24dc3 CR3: 0000000155636005 CR4: 00000000003726f0
<4>[  642.215909]  ? find_held_lock+0x31/0x90
<4>[  642.215912]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.215915]  ? lock_release+0xd4/0x2b0
<4>[  642.215919]  ? find_held_lock+0x31/0x90
<4>[  642.215921]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.215925]  ? lock_release+0xd4/0x2b0
<4>[  642.215930]  ? up_read+0x22/0x30
<4>[  642.215932]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.215936]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.215939]  ? irqentry_exit+0x77/0xb0
<4>[  642.215942]  ? clear_bhb_loop+0x15/0x70
<4>[  642.215944]  ? clear_bhb_loop+0x15/0x70
<4>[  642.215946]  ? clear_bhb_loop+0x15/0x70
<4>[  642.215948]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.215951] RIP: 0033:0x7b6f0df24ded
<4>[  642.215953] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.215955] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.215957] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.215959] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.215960] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.215962] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.215963] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.215980] softirqs last disabled at (263201543): [<ffffffff813d4fbf>] __irq_exit_rcu+0x13f/0x160
<4>[  642.216170]  __iommu_map+0x11e/0x2d0
<4>[  642.218218]  x64_sys_call+0x131e/0x2650
<4>[  642.218247]  ? find_held_lock+0x31/0x90
<4>[  642.218250]  ? rcu_read_unlock+0x1c/0x80
<4>[  642.218253]  ? lock_release+0xd4/0x2b0
<4>[  642.218257]  ? find_held_lock+0x31/0x90
<4>[  642.218259]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.218263]  ? lock_release+0xd4/0x2b0
<4>[  642.218268]  ? up_read+0x22/0x30
<4>[  642.218270]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.218274]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.218277]  ? irqentry_exit+0x77/0xb0
<4>[  642.218280]  ? clear_bhb_loop+0x15/0x70
<4>[  642.218282]  ? clear_bhb_loop+0x15/0x70
<4>[  642.218283]  ? clear_bhb_loop+0x15/0x70
<4>[  642.218286]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.218288] RIP: 0033:0x7b6f0df24ded
<4>[  642.218290] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.218292] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.218295] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.218296] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.218298] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.218299] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.218301] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.218313] hardirqs last disabled at (263289560): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.218468]  ? __warn+0x93/0x1c0
<4>[  642.220393]  drm_ioctl+0x2f9/0x5b0
<4>[  642.220581]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.220587]  ? find_held_lock+0x31/0x90
<4>[  642.220593]  ? lock_release+0xd4/0x2b0
<4>[  642.220597]  ? find_held_lock+0x31/0x90
<4>[  642.220599]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.220603]  ? lock_release+0xd4/0x2b0
<4>[  642.220608]  ? up_read+0x22/0x30
<4>[  642.220611]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.220614]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.220618]  ? irqentry_exit+0x77/0xb0
<4>[  642.220620]  ? clear_bhb_loop+0x15/0x70
<4>[  642.220622]  ? clear_bhb_loop+0x15/0x70
<4>[  642.220624]  ? clear_bhb_loop+0x15/0x70
<4>[  642.220626]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.220629] RIP: 0033:0x7b6f0df24ded
<4>[  642.220631] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.220633] RSP: 002b:00007ffd42f96da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  642.220635] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007b6f0df24ded
<4>[  642.220637] RDX: 00007ffd42f96e60 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  642.220639] RBP: 00007ffd42f96df0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  642.220640] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd42f96e60
<4>[  642.220642] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  642.220654] hardirqs last disabled at (263290686): [<ffffffff814a5cee>] __up_console_sem+0x5e/0xa0
<4>[  642.220798] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  642.222920]  ? syscall_exit_to_user_mode+0x95/0x260
<4>[  642.222926]  ? find_held_lock+0x31/0x90
<4>[  642.222932]  ? lock_release+0xd4/0x2b0
<4>[  642.222936]  ? find_held_lock+0x31/0x90
<4>[  642.222938]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.222942]  ? lock_release+0xd4/0x2b0
<4>[  642.222947]  ? up_read+0x22/0x30
<4>[  642.222949]  ? do_user_addr_fault+0x303/0x9d0
<4>[  642.222953]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  642.222956]  ? irqentry_exit+0x77/0xb0
<4>[  642.222959]  ? clear_bhb_loop+0x15/0x70
<4>[  642.222961]  ? clear_bhb_loop+0x15/0x70
<4>[  642.222962]  ? clear_bhb_loop+0x15/0x70
<4>[  642.222965]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<4>[  642.222968] RIP: 0033:0x7b6f0df24ded
<4>[  642.222970] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  642.222971] RSP: 002b:00007f