<4>[  793.566327] RDX: 0000000000000000 RSI: 0000000003d16287 RDI: 0000000000000000
<4>[  793.566329] RBP: ffffc90001a27378 R08: 00000000002f8a86 R09: 0000000000000001
<4>[  793.566330] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c97a
<4>[  793.566332] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a86003
<4>[  793.566333] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.566335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.566336] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.566338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.566340] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.566341] Call Trace:
<4>[  793.566342]  <TASK>
<4>[  793.566344]  ? show_regs+0x6c/0x80
<4>[  793.566347]  ? __warn+0x93/0x1c0
<4>[  793.566350]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.566353]  ? report_bug+0x182/0x1b0
<4>[  793.566357]  ? handle_bug+0x6e/0xb0
<4>[  793.566359]  ? exc_invalid_op+0x18/0x80
<4>[  793.566362]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.566368]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.566371]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.566373]  ? mark_held_locks+0x46/0x90
<4>[  793.566381]  __iommu_map+0x119/0x2c0
<4>[  793.566387]  iommu_map_sg+0xbf/0x210
<4>[  793.566392]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.566398]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.566403]  dma_map_sgtable+0x1d/0x40
<4>[  793.566406]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.568622]  ? clear_bhb_loop+0x15/0x70
<4>[  793.568648]  </TASK>
<4>[  793.568655] softirqs last  enabled at (245021258): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.568795] RDX: 0000000000000000 RSI: 0000000003d16288 RDI: 0000000000000000
<4>[  793.568797] RBP: ffffc90001a27378 R08: 00000000002f8a87 R09: 0000000000000001
<4>[  793.568798] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c979
<4>[  793.568800] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a87003
<4>[  793.568801] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.568803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.568805] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.568806] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.568808] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.568809] Call Trace:
<4>[  793.568810]  <TASK>
<4>[  793.568812]  ? show_regs+0x6c/0x80
<4>[  793.568815]  ? __warn+0x93/0x1c0
<4>[  793.568824]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.568827]  ? report_bug+0x182/0x1b0
<4>[  793.568831]  ? handle_bug+0x6e/0xb0
<4>[  793.568833]  ? exc_invalid_op+0x18/0x80
<4>[  793.568835]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.568842]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.568844]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.568847]  ? mark_held_locks+0x46/0x90
<4>[  793.568854]  __iommu_map+0x119/0x2c0
<4>[  793.568860]  iommu_map_sg+0xbf/0x210
<4>[  793.568865]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.568872]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.568877]  dma_map_sgtable+0x1d/0x40
<4>[  793.568880]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.571110] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.571265] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  793.571272] RDX: 0000000000000000 RSI: 0000000003d16289 RDI: 0000000000000000
<4>[  793.571274] RBP: ffffc90001a27378 R08: 00000000002f8a88 R09: 0000000000000001
<4>[  793.571275] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c978
<4>[  793.571277] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a88003
<4>[  793.571278] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.571280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.571282] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.571283] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.571285] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.571286] Call Trace:
<4>[  793.571287]  <TASK>
<4>[  793.571289]  ? show_regs+0x6c/0x80
<4>[  793.571292]  ? __warn+0x93/0x1c0
<4>[  793.571295]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.571298]  ? report_bug+0x182/0x1b0
<4>[  793.571302]  ? handle_bug+0x6e/0xb0
<4>[  793.571304]  ? exc_invalid_op+0x18/0x80
<4>[  793.571307]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.571313]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.571316]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.571318]  ? mark_held_locks+0x46/0x90
<4>[  793.571326]  __iommu_map+0x119/0x2c0
<4>[  793.571332]  iommu_map_sg+0xbf/0x210
<4>[  793.571337]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.571344]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.571348]  dma_map_sgtable+0x1d/0x40
<4>[  793.571351]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.573587]  ? clear_bhb_loop+0x15/0x70
<4>[  793.573617] hardirqs last disabled at (245024984): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.573760] RDX: 0000000000000000 RSI: 0000000003d1628a RDI: 0000000000000000
<4>[  793.573762] RBP: ffffc90001a27378 R08: 00000000002f8a89 R09: 0000000000000001
<4>[  793.573763] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c977
<4>[  793.573765] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a89003
<4>[  793.573766] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.573768] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.573770] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.573771] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.573773] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.573774] Call Trace:
<4>[  793.573776]  <TASK>
<4>[  793.573777]  ? show_regs+0x6c/0x80
<4>[  793.573780]  ? __warn+0x93/0x1c0
<4>[  793.573783]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.573786]  ? report_bug+0x182/0x1b0
<4>[  793.573790]  ? handle_bug+0x6e/0xb0
<4>[  793.573792]  ? exc_invalid_op+0x18/0x80
<4>[  793.573795]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.573801]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.573804]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.573806]  ? mark_held_locks+0x46/0x90
<4>[  793.573814]  __iommu_map+0x119/0x2c0
<4>[  793.573826]  iommu_map_sg+0xbf/0x210
<4>[  793.573831]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.573838]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.573842]  dma_map_sgtable+0x1d/0x40
<4>[  793.573845]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.576077]  ? clear_bhb_loop+0x15/0x70
<4>[  793.576095] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.576245] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.576248] RDX: 0000000000000000 RSI: 0000000003d1628b RDI: 0000000000000000
<4>[  793.576250] RBP: ffffc90001a27378 R08: 00000000002f8a8a R09: 0000000000000001
<4>[  793.576251] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c976
<4>[  793.576253] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a8a003
<4>[  793.576254] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.576256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.576258] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.576259] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.576261] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.576262] Call Trace:
<4>[  793.576264]  <TASK>
<4>[  793.576265]  ? show_regs+0x6c/0x80
<4>[  793.576268]  ? __warn+0x93/0x1c0
<4>[  793.576271]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.576274]  ? report_bug+0x182/0x1b0
<4>[  793.576278]  ? handle_bug+0x6e/0xb0
<4>[  793.576280]  ? exc_invalid_op+0x18/0x80
<4>[  793.576283]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.576289]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.576292]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.576294]  ? mark_held_locks+0x46/0x90
<4>[  793.576302]  __iommu_map+0x119/0x2c0
<4>[  793.576308]  iommu_map_sg+0xbf/0x210
<4>[  793.576313]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.576319]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.576324]  dma_map_sgtable+0x1d/0x40
<4>[  793.577880]  i915_gem_do_execbuffer+0xd7a/0x3070 [i915]
<4>[  793.578584] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.578736] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.578740] RDX: 0000000000000000 RSI: 0000000003d1628c RDI: 0000000000000000
<4>[  793.578741] RBP: ffffc90001a27378 R08: 00000000002f8a8b R09: 0000000000000001
<4>[  793.578743] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c975
<4>[  793.578744] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a8b003
<4>[  793.578746] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.578748] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.578749] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.578751] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.578752] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.578754] Call Trace:
<4>[  793.578755]  <TASK>
<4>[  793.578757]  ? show_regs+0x6c/0x80
<4>[  793.578760]  ? __warn+0x93/0x1c0
<4>[  793.578763]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.578766]  ? report_bug+0x182/0x1b0
<4>[  793.578770]  ? handle_bug+0x6e/0xb0
<4>[  793.578772]  ? exc_invalid_op+0x18/0x80
<4>[  793.578775]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.578781]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.578784]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.578786]  ? mark_held_locks+0x46/0x90
<4>[  793.578794]  __iommu_map+0x119/0x2c0
<4>[  793.578800]  iommu_map_sg+0xbf/0x210
<4>[  793.578806]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.578812]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.578822]  dma_map_sgtable+0x1d/0x40
<4>[  793.578825]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.581069] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.581229] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.581232] RDX: 0000000000000000 RSI: 0000000003d1628d RDI: 0000000000000000
<4>[  793.581234] RBP: ffffc90001a27378 R08: 00000000002f8a8c R09: 0000000000000001
<4>[  793.581235] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c974
<4>[  793.581237] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a8c003
<4>[  793.581239] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.581240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.581242] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.581243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.581245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.581246] Call Trace:
<4>[  793.581248]  <TASK>
<4>[  793.581249]  ? show_regs+0x6c/0x80
<4>[  793.581252]  ? __warn+0x93/0x1c0
<4>[  793.581255]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.581258]  ? report_bug+0x182/0x1b0
<4>[  793.581262]  ? handle_bug+0x6e/0xb0
<4>[  793.581265]  ? exc_invalid_op+0x18/0x80
<4>[  793.581267]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.581273]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.581276]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.581278]  ? mark_held_locks+0x46/0x90
<4>[  793.581286]  __iommu_map+0x119/0x2c0
<4>[  793.581292]  iommu_map_sg+0xbf/0x210
<4>[  793.581297]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.581304]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.581308]  dma_map_sgtable+0x1d/0x40
<4>[  793.581311]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.583550] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.583707] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.583714] RBP: ffffc90001a27378 R08: 00000000002f8a8d R09: 0000000000000001
<4>[  793.583715] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c973
<4>[  793.583717] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a8d003
<4>[  793.583719] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.583720] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.583722] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.583723] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.583725] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.583726] Call Trace:
<4>[  793.583728]  <TASK>
<4>[  793.583729]  ? show_regs+0x6c/0x80
<4>[  793.583732]  ? __warn+0x93/0x1c0
<4>[  793.583735]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.583738]  ? report_bug+0x182/0x1b0
<4>[  793.583742]  ? handle_bug+0x6e/0xb0
<4>[  793.583744]  ? exc_invalid_op+0x18/0x80
<4>[  793.583747]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.583753]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.583756]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.583758]  ? mark_held_locks+0x46/0x90
<4>[  793.583766]  __iommu_map+0x119/0x2c0
<4>[  793.583772]  iommu_map_sg+0xbf/0x210
<4>[  793.583777]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.584258]  ? lock_acquire+0xc9/0x300
<4>[  793.586030]  ? clear_bhb_loop+0x15/0x70
<4>[  793.586060] hardirqs last disabled at (245030910): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.586201] RDX: 0000000000000000 RSI: 0000000003d1628f RDI: 0000000000000000
<4>[  793.586203] RBP: ffffc90001a27378 R08: 00000000002f8a8e R09: 0000000000000001
<4>[  793.586204] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c972
<4>[  793.586206] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a8e003
<4>[  793.586207] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.586209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.586210] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.586212] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.586213] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.586215] Call Trace:
<4>[  793.586216]  <TASK>
<4>[  793.586218]  ? show_regs+0x6c/0x80
<4>[  793.586221]  ? __warn+0x93/0x1c0
<4>[  793.586224]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.586227]  ? report_bug+0x182/0x1b0
<4>[  793.586231]  ? handle_bug+0x6e/0xb0
<4>[  793.586233]  ? exc_invalid_op+0x18/0x80
<4>[  793.586236]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.586242]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.586245]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.586247]  ? mark_held_locks+0x46/0x90
<4>[  793.586254]  __iommu_map+0x119/0x2c0
<4>[  793.586261]  iommu_map_sg+0xbf/0x210
<4>[  793.586266]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.586272]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.586276]  dma_map_sgtable+0x1d/0x40
<4>[  793.586280]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.588533] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.588692] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.588699] RBP: ffffc90001a27378 R08: 00000000002f8a8f R09: 0000000000000001
<4>[  793.588700] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c971
<4>[  793.588702] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a8f003
<4>[  793.588703] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.588705] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.588707] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.588708] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.588710] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.588711] Call Trace:
<4>[  793.588712]  <TASK>
<4>[  793.588714]  ? show_regs+0x6c/0x80
<4>[  793.588717]  ? __warn+0x93/0x1c0
<4>[  793.588721]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.588724]  ? report_bug+0x182/0x1b0
<4>[  793.588727]  ? handle_bug+0x6e/0xb0
<4>[  793.588730]  ? exc_invalid_op+0x18/0x80
<4>[  793.588732]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.588738]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.588741]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.588743]  ? mark_held_locks+0x46/0x90
<4>[  793.588751]  __iommu_map+0x119/0x2c0
<4>[  793.588757]  iommu_map_sg+0xbf/0x210
<4>[  793.588762]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.589549]  __i915_gem_object_get_pages+0xa5/0x110 [i915]
<4>[  793.591028] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.591178] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.591182] RDX: 0000000000000000 RSI: 0000000003d16291 RDI: 0000000000000000
<4>[  793.591183] RBP: ffffc90001a27378 R08: 00000000002f8a90 R09: 0000000000000001
<4>[  793.591185] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c970
<4>[  793.591186] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a90003
<4>[  793.591188] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.591190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.591191] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.591193] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.591195] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.591196] Call Trace:
<4>[  793.591197]  <TASK>
<4>[  793.591199]  ? show_regs+0x6c/0x80
<4>[  793.591202]  ? __warn+0x93/0x1c0
<4>[  793.591205]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.591208]  ? report_bug+0x182/0x1b0
<4>[  793.591212]  ? handle_bug+0x6e/0xb0
<4>[  793.591214]  ? exc_invalid_op+0x18/0x80
<4>[  793.591216]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.591223]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.591225]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.591228]  ? mark_held_locks+0x46/0x90
<4>[  793.591235]  __iommu_map+0x119/0x2c0
<4>[  793.591242]  iommu_map_sg+0xbf/0x210
<4>[  793.591247]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.591253]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.591257]  dma_map_sgtable+0x1d/0x40
<4>[  793.591414]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  793.593512] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.593668] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.593675] RBP: ffffc90001a27378 R08: 00000000002f8a91 R09: 0000000000000001
<4>[  793.593677] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c96f
<4>[  793.593678] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a91003
<4>[  793.593680] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.593682] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.593683] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.593685] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.593686] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.593688] Call Trace:
<4>[  793.593689]  <TASK>
<4>[  793.593691]  ? show_regs+0x6c/0x80
<4>[  793.593694]  ? __warn+0x93/0x1c0
<4>[  793.593697]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.593700]  ? report_bug+0x182/0x1b0
<4>[  793.593704]  ? handle_bug+0x6e/0xb0
<4>[  793.593706]  ? exc_invalid_op+0x18/0x80
<4>[  793.593709]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.593715]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.593718]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.593720]  ? mark_held_locks+0x46/0x90
<4>[  793.593727]  __iommu_map+0x119/0x2c0
<4>[  793.593734]  iommu_map_sg+0xbf/0x210
<4>[  793.593739]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.595787]  drm_ioctl_kernel+0xb2/0x120
<4>[  793.596001] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.596155] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.596162] RBP: ffffc90001a27378 R08: 00000000002f8a92 R09: 0000000000000001
<4>[  793.596164] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c96e
<4>[  793.596165] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a92003
<4>[  793.596167] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.596168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.596170] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.596172] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.596173] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.596174] Call Trace:
<4>[  793.596176]  <TASK>
<4>[  793.596177]  ? show_regs+0x6c/0x80
<4>[  793.596180]  ? __warn+0x93/0x1c0
<4>[  793.596184]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.596187]  ? report_bug+0x182/0x1b0
<4>[  793.596190]  ? handle_bug+0x6e/0xb0
<4>[  793.596193]  ? exc_invalid_op+0x18/0x80
<4>[  793.596195]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.596201]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.596204]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.596206]  ? mark_held_locks+0x46/0x90
<4>[  793.596214]  __iommu_map+0x119/0x2c0
<4>[  793.596220]  iommu_map_sg+0xbf/0x210
<4>[  793.596225]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.598290]  drm_ioctl_kernel+0xb2/0x120
<4>[  793.598496] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.598651] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.598658] RBP: ffffc90001a27378 R08: 00000000002f8a93 R09: 0000000000000001
<4>[  793.598659] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c96d
<4>[  793.598661] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a93003
<4>[  793.598662] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.598664] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.598666] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.598667] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.598669] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.598670] Call Trace:
<4>[  793.598672]  <TASK>
<4>[  793.598673]  ? show_regs+0x6c/0x80
<4>[  793.598676]  ? __warn+0x93/0x1c0
<4>[  793.598679]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.598682]  ? report_bug+0x182/0x1b0
<4>[  793.598686]  ? handle_bug+0x6e/0xb0
<4>[  793.598688]  ? exc_invalid_op+0x18/0x80
<4>[  793.598691]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.598697]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.598700]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.598702]  ? mark_held_locks+0x46/0x90
<4>[  793.598710]  __iommu_map+0x119/0x2c0
<4>[  793.598716]  iommu_map_sg+0xbf/0x210
<4>[  793.598721]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.600768]  drm_ioctl_kernel+0xb2/0x120
<4>[  793.600978] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.601134] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.601141] RBP: ffffc90001a27378 R08: 00000000002f8a94 R09: 0000000000000001
<4>[  793.601142] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c96c
<4>[  793.601144] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a94003
<4>[  793.601145] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.601147] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.601148] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.601150] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.601152] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.601153] Call Trace:
<4>[  793.601154]  <TASK>
<4>[  793.601156]  ? show_regs+0x6c/0x80
<4>[  793.601159]  ? __warn+0x93/0x1c0
<4>[  793.601162]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.601165]  ? report_bug+0x182/0x1b0
<4>[  793.601169]  ? handle_bug+0x6e/0xb0
<4>[  793.601171]  ? exc_invalid_op+0x18/0x80
<4>[  793.601174]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.601180]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.601183]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.601185]  ? mark_held_locks+0x46/0x90
<4>[  793.601193]  __iommu_map+0x119/0x2c0
<4>[  793.601199]  iommu_map_sg+0xbf/0x210
<4>[  793.601204]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.602918]  ? __kernel_text_address+0x12/0x50
<4>[  793.603451] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.603605] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.603608] RDX: 0000000000000000 RSI: 0000000003d16296 RDI: 0000000000000000
<4>[  793.603610] RBP: ffffc90001a27378 R08: 00000000002f8a95 R09: 0000000000000001
<4>[  793.603611] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c96b
<4>[  793.603613] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a95003
<4>[  793.603614] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.603616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.603618] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.603619] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.603621] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.603622] Call Trace:
<4>[  793.603624]  <TASK>
<4>[  793.603625]  ? show_regs+0x6c/0x80
<4>[  793.603628]  ? __warn+0x93/0x1c0
<4>[  793.603631]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.603634]  ? report_bug+0x182/0x1b0
<4>[  793.603638]  ? handle_bug+0x6e/0xb0
<4>[  793.603640]  ? exc_invalid_op+0x18/0x80
<4>[  793.603643]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.603649]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.603652]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.603654]  ? mark_held_locks+0x46/0x90
<4>[  793.603662]  __iommu_map+0x119/0x2c0
<4>[  793.603668]  iommu_map_sg+0xbf/0x210
<4>[  793.603673]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.603680]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.603684]  dma_map_sgtable+0x1d/0x40
<4>[  793.603687]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.605918]  ? clear_bhb_loop+0x15/0x70
<4>[  793.605949] hardirqs last disabled at (245040390): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.606091] RDX: 0000000000000000 RSI: 0000000003d16297 RDI: 0000000000000000
<4>[  793.606092] RBP: ffffc90001a27378 R08: 00000000002f8a96 R09: 0000000000000001
<4>[  793.606094] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c96a
<4>[  793.606095] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a96003
<4>[  793.606097] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.606098] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.606100] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.606102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.606103] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.606104] Call Trace:
<4>[  793.606106]  <TASK>
<4>[  793.606107]  ? show_regs+0x6c/0x80
<4>[  793.606110]  ? __warn+0x93/0x1c0
<4>[  793.606113]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.606116]  ? report_bug+0x182/0x1b0
<4>[  793.606120]  ? handle_bug+0x6e/0xb0
<4>[  793.606122]  ? exc_invalid_op+0x18/0x80
<4>[  793.606125]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.606131]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.606134]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.606136]  ? mark_held_locks+0x46/0x90
<4>[  793.606144]  __iommu_map+0x119/0x2c0
<4>[  793.606150]  iommu_map_sg+0xbf/0x210
<4>[  793.606155]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.606161]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.606166]  dma_map_sgtable+0x1d/0x40
<4>[  793.606169]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.608392]  ? clear_bhb_loop+0x15/0x70
<4>[  793.608422] hardirqs last disabled at (245041574): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.608565] RDX: 0000000000000000 RSI: 0000000003d16298 RDI: 0000000000000000
<4>[  793.608566] RBP: ffffc90001a27378 R08: 00000000002f8a97 R09: 0000000000000001
<4>[  793.608568] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c969
<4>[  793.608569] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a97003
<4>[  793.608571] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.608573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.608574] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.608576] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.608577] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.608579] Call Trace:
<4>[  793.608580]  <TASK>
<4>[  793.608581]  ? show_regs+0x6c/0x80
<4>[  793.608585]  ? __warn+0x93/0x1c0
<4>[  793.608588]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.608591]  ? report_bug+0x182/0x1b0
<4>[  793.608595]  ? handle_bug+0x6e/0xb0
<4>[  793.608597]  ? exc_invalid_op+0x18/0x80
<4>[  793.608599]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.608606]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.608608]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.608611]  ? mark_held_locks+0x46/0x90
<4>[  793.608618]  __iommu_map+0x119/0x2c0
<4>[  793.608625]  iommu_map_sg+0xbf/0x210
<4>[  793.608629]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.608636]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.608640]  dma_map_sgtable+0x1d/0x40
<4>[  793.608643]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.610851]  x64_sys_call+0x131e/0x2650
<4>[  793.610890] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.611044] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.611048] RDX: 0000000000000000 RSI: 0000000003d16299 RDI: 0000000000000000
<4>[  793.611049] RBP: ffffc90001a27378 R08: 00000000002f8a98 R09: 0000000000000001
<4>[  793.611051] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c968
<4>[  793.611052] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a98003
<4>[  793.611054] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.611055] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.611057] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.611059] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.611060] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.611062] Call Trace:
<4>[  793.611063]  <TASK>
<4>[  793.611064]  ? show_regs+0x6c/0x80
<4>[  793.611068]  ? __warn+0x93/0x1c0
<4>[  793.611071]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.611074]  ? report_bug+0x182/0x1b0
<4>[  793.611078]  ? handle_bug+0x6e/0xb0
<4>[  793.611080]  ? exc_invalid_op+0x18/0x80
<4>[  793.611082]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.611088]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.611091]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.611094]  ? mark_held_locks+0x46/0x90
<4>[  793.611101]  __iommu_map+0x119/0x2c0
<4>[  793.611108]  iommu_map_sg+0xbf/0x210
<4>[  793.611113]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.611119]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.611123]  dma_map_sgtable+0x1d/0x40
<4>[  793.611127]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.613373] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.613528] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.613535] RBP: ffffc90001a27378 R08: 00000000002f8a99 R09: 0000000000000001
<4>[  793.613536] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c967
<4>[  793.613538] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a99003
<4>[  793.613539] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.613541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.613542] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.613544] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.613545] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.613547] Call Trace:
<4>[  793.613548]  <TASK>
<4>[  793.613550]  ? show_regs+0x6c/0x80
<4>[  793.613553]  ? __warn+0x93/0x1c0
<4>[  793.613556]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.613559]  ? report_bug+0x182/0x1b0
<4>[  793.613563]  ? handle_bug+0x6e/0xb0
<4>[  793.613565]  ? exc_invalid_op+0x18/0x80
<4>[  793.613568]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.613574]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.613577]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.613579]  ? mark_held_locks+0x46/0x90
<4>[  793.613587]  __iommu_map+0x119/0x2c0
<4>[  793.613593]  iommu_map_sg+0xbf/0x210
<4>[  793.613598]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.615169]  i915_gem_do_execbuffer+0xd7a/0x3070 [i915]
<4>[  793.615872] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.616025] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.616029] RDX: 0000000000000000 RSI: 0000000003d1629b RDI: 0000000000000000
<4>[  793.616030] RBP: ffffc90001a27378 R08: 00000000002f8a9a R09: 0000000000000001
<4>[  793.616031] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c966
<4>[  793.616033] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a9a003
<4>[  793.616034] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.616036] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.616038] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.616039] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.616041] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.616042] Call Trace:
<4>[  793.616044]  <TASK>
<4>[  793.616045]  ? show_regs+0x6c/0x80
<4>[  793.616048]  ? __warn+0x93/0x1c0
<4>[  793.616052]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.616055]  ? report_bug+0x182/0x1b0
<4>[  793.616058]  ? handle_bug+0x6e/0xb0
<4>[  793.616060]  ? exc_invalid_op+0x18/0x80
<4>[  793.616063]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.616069]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.616072]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.616074]  ? mark_held_locks+0x46/0x90
<4>[  793.616082]  __iommu_map+0x119/0x2c0
<4>[  793.616088]  iommu_map_sg+0xbf/0x210
<4>[  793.616093]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.616100]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.616104]  dma_map_sgtable+0x1d/0x40
<4>[  793.616575]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  793.618344] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.618499] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.618503] RDX: 0000000000000000 RSI: 0000000003d1629c RDI: 0000000000000000
<4>[  793.618504] RBP: ffffc90001a27378 R08: 00000000002f8a9b R09: 0000000000000001
<4>[  793.618505] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c965
<4>[  793.618507] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a9b003
<4>[  793.618509] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.618510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.618512] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.618514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.618515] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.618517] Call Trace:
<4>[  793.618518]  <TASK>
<4>[  793.618520]  ? show_regs+0x6c/0x80
<4>[  793.618523]  ? __warn+0x93/0x1c0
<4>[  793.618526]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.618529]  ? report_bug+0x182/0x1b0
<4>[  793.618533]  ? handle_bug+0x6e/0xb0
<4>[  793.618535]  ? exc_invalid_op+0x18/0x80
<4>[  793.618538]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.618544]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.618546]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.618549]  ? mark_held_locks+0x46/0x90
<4>[  793.618556]  __iommu_map+0x119/0x2c0
<4>[  793.618563]  iommu_map_sg+0xbf/0x210
<4>[  793.618568]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.618574]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.618578]  dma_map_sgtable+0x1d/0x40
<4>[  793.618582]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.620846] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.621008] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.621015] RBP: ffffc90001a27378 R08: 00000000002f8a9c R09: 0000000000000001
<4>[  793.621016] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c964
<4>[  793.621018] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a9c003
<4>[  793.621020] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.621021] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.621023] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.621025] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.621026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.621027] Call Trace:
<4>[  793.621029]  <TASK>
<4>[  793.621030]  ? show_regs+0x6c/0x80
<4>[  793.621034]  ? __warn+0x93/0x1c0
<4>[  793.621037]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.621040]  ? report_bug+0x182/0x1b0
<4>[  793.621044]  ? handle_bug+0x6e/0xb0
<4>[  793.621046]  ? exc_invalid_op+0x18/0x80
<4>[  793.621048]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.621055]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.621057]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.621060]  ? mark_held_locks+0x46/0x90
<4>[  793.621067]  __iommu_map+0x119/0x2c0
<4>[  793.621074]  iommu_map_sg+0xbf/0x210
<4>[  793.621079]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.622637]  i915_gem_do_execbuffer+0xd7a/0x3070 [i915]
<4>[  793.623339] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.623490] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.623494] RDX: 0000000000000000 RSI: 0000000003d1629e RDI: 0000000000000000
<4>[  793.623495] RBP: ffffc90001a27378 R08: 00000000002f8a9d R09: 0000000000000001
<4>[  793.623497] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c963
<4>[  793.623498] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a9d003
<4>[  793.623500] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.623502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.623503] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.623505] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.623506] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.623508] Call Trace:
<4>[  793.623509]  <TASK>
<4>[  793.623510]  ? show_regs+0x6c/0x80
<4>[  793.623514]  ? __warn+0x93/0x1c0
<4>[  793.623517]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.623520]  ? report_bug+0x182/0x1b0
<4>[  793.623524]  ? handle_bug+0x6e/0xb0
<4>[  793.623526]  ? exc_invalid_op+0x18/0x80
<4>[  793.623528]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.623535]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.623537]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.623540]  ? mark_held_locks+0x46/0x90
<4>[  793.623547]  __iommu_map+0x119/0x2c0
<4>[  793.623554]  iommu_map_sg+0xbf/0x210
<4>[  793.623559]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.623565]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.623569]  dma_map_sgtable+0x1d/0x40
<4>[  793.624194]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  793.625822] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.625974] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.625978] RDX: 0000000000000000 RSI: 0000000003d1629f RDI: 0000000000000000
<4>[  793.625979] RBP: ffffc90001a27378 R08: 00000000002f8a9e R09: 0000000000000001
<4>[  793.625981] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c962
<4>[  793.625982] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a9e003
<4>[  793.625984] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.625986] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.625987] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.625989] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.625990] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.625992] Call Trace:
<4>[  793.625993]  <TASK>
<4>[  793.625995]  ? show_regs+0x6c/0x80
<4>[  793.625998]  ? __warn+0x93/0x1c0
<4>[  793.626001]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.626004]  ? report_bug+0x182/0x1b0
<4>[  793.626008]  ? handle_bug+0x6e/0xb0
<4>[  793.626010]  ? exc_invalid_op+0x18/0x80
<4>[  793.626012]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.626019]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.626021]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.626024]  ? mark_held_locks+0x46/0x90
<4>[  793.626031]  __iommu_map+0x119/0x2c0
<4>[  793.626038]  iommu_map_sg+0xbf/0x210
<4>[  793.626043]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.626049]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.626054]  dma_map_sgtable+0x1d/0x40
<4>[  793.626057]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.628359] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.628514] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.628521] RBP: ffffc90001a27378 R08: 00000000002f8a9f R09: 0000000000000001
<4>[  793.628523] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c961
<4>[  793.628524] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8a9f003
<4>[  793.628526] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.628528] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.628529] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.628531] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.628532] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.628534] Call Trace:
<4>[  793.628535]  <TASK>
<4>[  793.628537]  ? show_regs+0x6c/0x80
<4>[  793.628540]  ? __warn+0x93/0x1c0
<4>[  793.628543]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.628546]  ? report_bug+0x182/0x1b0
<4>[  793.628550]  ? handle_bug+0x6e/0xb0
<4>[  793.628552]  ? exc_invalid_op+0x18/0x80
<4>[  793.628554]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.628561]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.628563]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.628566]  ? mark_held_locks+0x46/0x90
<4>[  793.628573]  __iommu_map+0x119/0x2c0
<4>[  793.628580]  iommu_map_sg+0xbf/0x210
<4>[  793.628584]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.630806]  x64_sys_call+0x131e/0x2650
<4>[  793.630847] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.631000] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.631004] RDX: 0000000000000000 RSI: 0000000003d162a1 RDI: 0000000000000000
<4>[  793.631006] RBP: ffffc90001a27378 R08: 00000000002f8aa0 R09: 0000000000000001
<4>[  793.631007] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c960
<4>[  793.631009] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aa0003
<4>[  793.631010] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.631012] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.631014] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.631015] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.631017] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.631018] Call Trace:
<4>[  793.631019]  <TASK>
<4>[  793.631021]  ? show_regs+0x6c/0x80
<4>[  793.631024]  ? __warn+0x93/0x1c0
<4>[  793.631027]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.631030]  ? report_bug+0x182/0x1b0
<4>[  793.631034]  ? handle_bug+0x6e/0xb0
<4>[  793.631036]  ? exc_invalid_op+0x18/0x80
<4>[  793.631038]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.631045]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.631047]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.631050]  ? mark_held_locks+0x46/0x90
<4>[  793.631057]  __iommu_map+0x119/0x2c0
<4>[  793.631063]  iommu_map_sg+0xbf/0x210
<4>[  793.631068]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.631075]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.631079]  dma_map_sgtable+0x1d/0x40
<4>[  793.631082]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.633293] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.633451] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.633454] RDX: 0000000000000000 RSI: 0000000003d162a2 RDI: 0000000000000000
<4>[  793.633456] RBP: ffffc90001a27378 R08: 00000000002f8aa1 R09: 0000000000000001
<4>[  793.633457] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c95f
<4>[  793.633459] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aa1003
<4>[  793.633460] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.633462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.633464] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.633465] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.633467] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.633468] Call Trace:
<4>[  793.633469]  <TASK>
<4>[  793.633471]  ? show_regs+0x6c/0x80
<4>[  793.633474]  ? __warn+0x93/0x1c0
<4>[  793.633477]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.633480]  ? report_bug+0x182/0x1b0
<4>[  793.633484]  ? handle_bug+0x6e/0xb0
<4>[  793.633486]  ? exc_invalid_op+0x18/0x80
<4>[  793.633488]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.633495]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.633497]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.633500]  ? mark_held_locks+0x46/0x90
<4>[  793.633507]  __iommu_map+0x119/0x2c0
<4>[  793.633513]  iommu_map_sg+0xbf/0x210
<4>[  793.633519]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.633525]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.633529]  dma_map_sgtable+0x1d/0x40
<4>[  793.633532]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.635747] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.635910] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.635917] RBP: ffffc90001a27378 R08: 00000000002f8aa2 R09: 0000000000000001
<4>[  793.635918] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c95e
<4>[  793.635920] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aa2003
<4>[  793.635921] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.635923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.635925] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.635926] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.635928] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.635929] Call Trace:
<4>[  793.635930]  <TASK>
<4>[  793.635932]  ? show_regs+0x6c/0x80
<4>[  793.635935]  ? __warn+0x93/0x1c0
<4>[  793.635938]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.635941]  ? report_bug+0x182/0x1b0
<4>[  793.635945]  ? handle_bug+0x6e/0xb0
<4>[  793.635948]  ? exc_invalid_op+0x18/0x80
<4>[  793.635950]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.635956]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.635959]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.635962]  ? mark_held_locks+0x46/0x90
<4>[  793.635969]  __iommu_map+0x119/0x2c0
<4>[  793.635975]  iommu_map_sg+0xbf/0x210
<4>[  793.635981]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.638032]  drm_ioctl_kernel+0xb2/0x120
<4>[  793.638237] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.638394] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.638398] RDX: 0000000000000000 RSI: 0000000003d162a4 RDI: 0000000000000000
<4>[  793.638400] RBP: ffffc90001a27378 R08: 00000000002f8aa3 R09: 0000000000000001
<4>[  793.638401] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c95d
<4>[  793.638403] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aa3003
<4>[  793.638404] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.638406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.638408] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.638409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.638411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.638412] Call Trace:
<4>[  793.638413]  <TASK>
<4>[  793.638415]  ? show_regs+0x6c/0x80
<4>[  793.638418]  ? __warn+0x93/0x1c0
<4>[  793.638422]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.638425]  ? report_bug+0x182/0x1b0
<4>[  793.638429]  ? handle_bug+0x6e/0xb0
<4>[  793.638431]  ? exc_invalid_op+0x18/0x80
<4>[  793.638433]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.638440]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.638442]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.638445]  ? mark_held_locks+0x46/0x90
<4>[  793.638452]  __iommu_map+0x119/0x2c0
<4>[  793.638458]  iommu_map_sg+0xbf/0x210
<4>[  793.638463]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.638470]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.638474]  dma_map_sgtable+0x1d/0x40
<4>[  793.638477]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.640711] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.640874] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  793.640882] RDX: 0000000000000000 RSI: 0000000003d162a5 RDI: 0000000000000000
<4>[  793.640883] RBP: ffffc90001a27378 R08: 00000000002f8aa4 R09: 0000000000000001
<4>[  793.640885] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c95c
<4>[  793.640887] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aa4003
<4>[  793.640888] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.640890] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.640892] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.640893] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.640895] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.640897] Call Trace:
<4>[  793.640898]  <TASK>
<4>[  793.640900]  ? show_regs+0x6c/0x80
<4>[  793.640903]  ? __warn+0x93/0x1c0
<4>[  793.640906]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.640909]  ? report_bug+0x182/0x1b0
<4>[  793.640913]  ? handle_bug+0x6e/0xb0
<4>[  793.640915]  ? exc_invalid_op+0x18/0x80
<4>[  793.640918]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.640924]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.640927]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.640929]  ? mark_held_locks+0x46/0x90
<4>[  793.640937]  __iommu_map+0x119/0x2c0
<4>[  793.640943]  iommu_map_sg+0xbf/0x210
<4>[  793.640948]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.640954]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.640959]  dma_map_sgtable+0x1d/0x40
<4>[  793.640962]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.643184] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.643341] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.643348] RBP: ffffc90001a27378 R08: 00000000002f8aa5 R09: 0000000000000001
<4>[  793.643350] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c95b
<4>[  793.643351] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aa5003
<4>[  793.643353] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.643354] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.643356] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.643358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.643359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.643360] Call Trace:
<4>[  793.643362]  <TASK>
<4>[  793.643363]  ? show_regs+0x6c/0x80
<4>[  793.643367]  ? __warn+0x93/0x1c0
<4>[  793.643370]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.643373]  ? report_bug+0x182/0x1b0
<4>[  793.643376]  ? handle_bug+0x6e/0xb0
<4>[  793.643379]  ? exc_invalid_op+0x18/0x80
<4>[  793.643381]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.643387]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.643390]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.643392]  ? mark_held_locks+0x46/0x90
<4>[  793.643400]  __iommu_map+0x119/0x2c0
<4>[  793.643406]  iommu_map_sg+0xbf/0x210
<4>[  793.643411]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.645115]  ? lock_acquire+0xc9/0x300
<4>[  793.645651] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.645810] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.645822] RBP: ffffc90001a27378 R08: 00000000002f8aa6 R09: 0000000000000001
<4>[  793.645824] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c95a
<4>[  793.645825] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aa6003
<4>[  793.645827] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.645829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.645830] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.645832] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.645833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.645835] Call Trace:
<4>[  793.645836]  <TASK>
<4>[  793.645838]  ? show_regs+0x6c/0x80
<4>[  793.645841]  ? __warn+0x93/0x1c0
<4>[  793.645844]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.645847]  ? report_bug+0x182/0x1b0
<4>[  793.645851]  ? handle_bug+0x6e/0xb0
<4>[  793.645853]  ? exc_invalid_op+0x18/0x80
<4>[  793.645855]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.645862]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.645864]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.645867]  ? mark_held_locks+0x46/0x90
<4>[  793.645874]  __iommu_map+0x119/0x2c0
<4>[  793.645881]  iommu_map_sg+0xbf/0x210
<4>[  793.645886]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.647930]  drm_ioctl_kernel+0xb2/0x120
<4>[  793.648135] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.648287] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.648294] RBP: ffffc90001a27378 R08: 00000000002f8aa7 R09: 0000000000000001
<4>[  793.648296] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c959
<4>[  793.648297] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aa7003
<4>[  793.648299] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.648301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.648302] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.648304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.648305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.648307] Call Trace:
<4>[  793.648308]  <TASK>
<4>[  793.648310]  ? show_regs+0x6c/0x80
<4>[  793.648313]  ? __warn+0x93/0x1c0
<4>[  793.648316]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.648319]  ? report_bug+0x182/0x1b0
<4>[  793.648323]  ? handle_bug+0x6e/0xb0
<4>[  793.648325]  ? exc_invalid_op+0x18/0x80
<4>[  793.648327]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.648334]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.648336]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.648339]  ? mark_held_locks+0x46/0x90
<4>[  793.648346]  __iommu_map+0x119/0x2c0
<4>[  793.648353]  iommu_map_sg+0xbf/0x210
<4>[  793.648358]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.650397]  drm_ioctl_kernel+0xb2/0x120
<4>[  793.650602] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.650755] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.650762] RBP: ffffc90001a27378 R08: 00000000002f8aa8 R09: 0000000000000001
<4>[  793.650764] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c958
<4>[  793.650765] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aa8003
<4>[  793.650767] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.650768] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.650770] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.650772] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.650773] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.650774] Call Trace:
<4>[  793.650776]  <TASK>
<4>[  793.650777]  ? show_regs+0x6c/0x80
<4>[  793.650780]  ? __warn+0x93/0x1c0
<4>[  793.650784]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.650787]  ? report_bug+0x182/0x1b0
<4>[  793.650790]  ? handle_bug+0x6e/0xb0
<4>[  793.650793]  ? exc_invalid_op+0x18/0x80
<4>[  793.650795]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.650801]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.650804]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.650807]  ? mark_held_locks+0x46/0x90
<4>[  793.650819]  __iommu_map+0x119/0x2c0
<4>[  793.650825]  iommu_map_sg+0xbf/0x210
<4>[  793.650830]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.652549]  ? lock_release+0xd4/0x2b0
<4>[  793.653068] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.653225] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.653232] RBP: ffffc90001a27378 R08: 00000000002f8aa9 R09: 0000000000000001
<4>[  793.653234] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c957
<4>[  793.653235] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aa9003
<4>[  793.653237] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.653239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.653240] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.653242] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.653243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.653245] Call Trace:
<4>[  793.653246]  <TASK>
<4>[  793.653248]  ? show_regs+0x6c/0x80
<4>[  793.653251]  ? __warn+0x93/0x1c0
<4>[  793.653254]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.653257]  ? report_bug+0x182/0x1b0
<4>[  793.653261]  ? handle_bug+0x6e/0xb0
<4>[  793.653263]  ? exc_invalid_op+0x18/0x80
<4>[  793.653265]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.653272]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.653274]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.653277]  ? mark_held_locks+0x46/0x90
<4>[  793.653284]  __iommu_map+0x119/0x2c0
<4>[  793.653290]  iommu_map_sg+0xbf/0x210
<4>[  793.653295]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.655506]  x64_sys_call+0x131e/0x2650
<4>[  793.655543] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.655697] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.655701] RDX: 0000000000000000 RSI: 0000000003d162ab RDI: 0000000000000000
<4>[  793.655702] RBP: ffffc90001a27378 R08: 00000000002f8aaa R09: 0000000000000001
<4>[  793.655704] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c956
<4>[  793.655705] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aaa003
<4>[  793.655707] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.655709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.655710] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.655712] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.655713] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.655715] Call Trace:
<4>[  793.655716]  <TASK>
<4>[  793.655718]  ? show_regs+0x6c/0x80
<4>[  793.655721]  ? __warn+0x93/0x1c0
<4>[  793.655724]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.655727]  ? report_bug+0x182/0x1b0
<4>[  793.655731]  ? handle_bug+0x6e/0xb0
<4>[  793.655733]  ? exc_invalid_op+0x18/0x80
<4>[  793.655736]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.655742]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.655745]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.655747]  ? mark_held_locks+0x46/0x90
<4>[  793.655755]  __iommu_map+0x119/0x2c0
<4>[  793.655761]  iommu_map_sg+0xbf/0x210
<4>[  793.655766]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.655772]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.655777]  dma_map_sgtable+0x1d/0x40
<4>[  793.655780]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.658022] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.658178] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  793.658185] RDX: 0000000000000000 RSI: 0000000003d162ac RDI: 0000000000000000
<4>[  793.658187] RBP: ffffc90001a27378 R08: 00000000002f8aab R09: 0000000000000001
<4>[  793.658188] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c955
<4>[  793.658190] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aab003
<4>[  793.658191] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.658193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.658195] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.658197] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.658198] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.658199] Call Trace:
<4>[  793.658201]  <TASK>
<4>[  793.658203]  ? show_regs+0x6c/0x80
<4>[  793.658206]  ? __warn+0x93/0x1c0
<4>[  793.658209]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.658212]  ? report_bug+0x182/0x1b0
<4>[  793.658216]  ? handle_bug+0x6e/0xb0
<4>[  793.658218]  ? exc_invalid_op+0x18/0x80
<4>[  793.658220]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.658227]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.658229]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.658232]  ? mark_held_locks+0x46/0x90
<4>[  793.658239]  __iommu_map+0x119/0x2c0
<4>[  793.658246]  iommu_map_sg+0xbf/0x210
<4>[  793.658251]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.658257]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.658262]  dma_map_sgtable+0x1d/0x40
<4>[  793.658265]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.660504] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.660664] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.660671] RBP: ffffc90001a27378 R08: 00000000002f8aac R09: 0000000000000001
<4>[  793.660672] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c954
<4>[  793.660674] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aac003
<4>[  793.660676] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.660677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.660679] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.660681] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.660682] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.660684] Call Trace:
<4>[  793.660685]  <TASK>
<4>[  793.660687]  ? show_regs+0x6c/0x80
<4>[  793.660690]  ? __warn+0x93/0x1c0
<4>[  793.660693]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.660696]  ? report_bug+0x182/0x1b0
<4>[  793.660700]  ? handle_bug+0x6e/0xb0
<4>[  793.660703]  ? exc_invalid_op+0x18/0x80
<4>[  793.660705]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.660712]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.660714]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.660717]  ? mark_held_locks+0x46/0x90
<4>[  793.660724]  __iommu_map+0x119/0x2c0
<4>[  793.660731]  iommu_map_sg+0xbf/0x210
<4>[  793.660736]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.661066]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.662990] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.663146] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.663153] RBP: ffffc90001a27378 R08: 00000000002f8aad R09: 0000000000000001
<4>[  793.663154] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c953
<4>[  793.663156] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aad003
<4>[  793.663157] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.663159] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.663161] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.663162] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.663164] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.663165] Call Trace:
<4>[  793.663166]  <TASK>
<4>[  793.663168]  ? show_regs+0x6c/0x80
<4>[  793.663171]  ? __warn+0x93/0x1c0
<4>[  793.663174]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.663177]  ? report_bug+0x182/0x1b0
<4>[  793.663181]  ? handle_bug+0x6e/0xb0
<4>[  793.663183]  ? exc_invalid_op+0x18/0x80
<4>[  793.663186]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.663192]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.663195]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.663197]  ? mark_held_locks+0x46/0x90
<4>[  793.663205]  __iommu_map+0x119/0x2c0
<4>[  793.663211]  iommu_map_sg+0xbf/0x210
<4>[  793.663216]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.664936]  ? __kernel_text_address+0x12/0x50
<4>[  793.665469] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.665625] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.665629] RDX: 0000000000000000 RSI: 0000000003d162af RDI: 0000000000000000
<4>[  793.665630] RBP: ffffc90001a27378 R08: 00000000002f8aae R09: 0000000000000001
<4>[  793.665632] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c952
<4>[  793.665633] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aae003
<4>[  793.665635] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.665637] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.665638] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.665640] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.665641] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.665643] Call Trace:
<4>[  793.665644]  <TASK>
<4>[  793.665646]  ? show_regs+0x6c/0x80
<4>[  793.665649]  ? __warn+0x93/0x1c0
<4>[  793.665652]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.665655]  ? report_bug+0x182/0x1b0
<4>[  793.665659]  ? handle_bug+0x6e/0xb0
<4>[  793.665661]  ? exc_invalid_op+0x18/0x80
<4>[  793.665664]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.665670]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.665672]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.665675]  ? mark_held_locks+0x46/0x90
<4>[  793.665682]  __iommu_map+0x119/0x2c0
<4>[  793.665689]  iommu_map_sg+0xbf/0x210
<4>[  793.665694]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.665700]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.665705]  dma_map_sgtable+0x1d/0x40
<4>[  793.665708]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.667950] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.668108] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.668115] RBP: ffffc90001a27378 R08: 00000000002f8aaf R09: 0000000000000001
<4>[  793.668116] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c951
<4>[  793.668118] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aaf003
<4>[  793.668119] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.668121] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.668122] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.668124] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.668125] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.668127] Call Trace:
<4>[  793.668128]  <TASK>
<4>[  793.668130]  ? show_regs+0x6c/0x80
<4>[  793.668133]  ? __warn+0x93/0x1c0
<4>[  793.668136]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.668139]  ? report_bug+0x182/0x1b0
<4>[  793.668143]  ? handle_bug+0x6e/0xb0
<4>[  793.668145]  ? exc_invalid_op+0x18/0x80
<4>[  793.668148]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.668154]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.668157]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.668159]  ? mark_held_locks+0x46/0x90
<4>[  793.668167]  __iommu_map+0x119/0x2c0
<4>[  793.668173]  iommu_map_sg+0xbf/0x210
<4>[  793.668178]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.670242]  drm_ioctl+0x2de/0x5a0
<4>[  793.670441] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.670601] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.670605] RDX: 0000000000000000 RSI: 0000000003d162b1 RDI: 0000000000000000
<4>[  793.670606] RBP: ffffc90001a27378 R08: 00000000002f8ab0 R09: 0000000000000001
<4>[  793.670608] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c950
<4>[  793.670609] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ab0003
<4>[  793.670611] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.670613] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.670614] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.670616] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.670617] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.670619] Call Trace:
<4>[  793.670620]  <TASK>
<4>[  793.670622]  ? show_regs+0x6c/0x80
<4>[  793.670625]  ? __warn+0x93/0x1c0
<4>[  793.670628]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.670631]  ? report_bug+0x182/0x1b0
<4>[  793.670635]  ? handle_bug+0x6e/0xb0
<4>[  793.670637]  ? exc_invalid_op+0x18/0x80
<4>[  793.670639]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.670646]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.670648]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.670651]  ? mark_held_locks+0x46/0x90
<4>[  793.670658]  __iommu_map+0x119/0x2c0
<4>[  793.670665]  iommu_map_sg+0xbf/0x210
<4>[  793.670670]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.670676]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.670680]  dma_map_sgtable+0x1d/0x40
<4>[  793.670684]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.672929] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.673086] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  793.673094] RDX: 0000000000000000 RSI: 0000000003d162b2 RDI: 0000000000000000
<4>[  793.673095] RBP: ffffc90001a27378 R08: 00000000002f8ab1 R09: 0000000000000001
<4>[  793.673097] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c94f
<4>[  793.673098] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ab1003
<4>[  793.673100] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.673101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.673103] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.673105] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.673106] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.673108] Call Trace:
<4>[  793.673109]  <TASK>
<4>[  793.673110]  ? show_regs+0x6c/0x80
<4>[  793.673114]  ? __warn+0x93/0x1c0
<4>[  793.673117]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.673120]  ? report_bug+0x182/0x1b0
<4>[  793.673123]  ? handle_bug+0x6e/0xb0
<4>[  793.673126]  ? exc_invalid_op+0x18/0x80
<4>[  793.673128]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.673134]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.673137]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.673140]  ? mark_held_locks+0x46/0x90
<4>[  793.673147]  __iommu_map+0x119/0x2c0
<4>[  793.673153]  iommu_map_sg+0xbf/0x210
<4>[  793.673158]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.673165]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.673169]  dma_map_sgtable+0x1d/0x40
<4>[  793.673172]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.675411] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.675566] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  793.675574] RDX: 0000000000000000 RSI: 0000000003d162b3 RDI: 0000000000000000
<4>[  793.675575] RBP: ffffc90001a27378 R08: 00000000002f8ab2 R09: 0000000000000001
<4>[  793.675577] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c94e
<4>[  793.675578] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ab2003
<4>[  793.675580] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.675581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.675583] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.675585] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.675586] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.675588] Call Trace:
<4>[  793.675589]  <TASK>
<4>[  793.675591]  ? show_regs+0x6c/0x80
<4>[  793.675594]  ? __warn+0x93/0x1c0
<4>[  793.675597]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.675600]  ? report_bug+0x182/0x1b0
<4>[  793.675603]  ? handle_bug+0x6e/0xb0
<4>[  793.675606]  ? exc_invalid_op+0x18/0x80
<4>[  793.675608]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.675614]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.675617]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.675620]  ? mark_held_locks+0x46/0x90
<4>[  793.675627]  __iommu_map+0x119/0x2c0
<4>[  793.675633]  iommu_map_sg+0xbf/0x210
<4>[  793.675638]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.675645]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.675650]  dma_map_sgtable+0x1d/0x40
<4>[  793.675653]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.677895] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.678054] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.678061] RBP: ffffc90001a27378 R08: 00000000002f8ab3 R09: 0000000000000001
<4>[  793.678062] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c94d
<4>[  793.678064] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ab3003
<4>[  793.678066] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.678067] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.678069] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.678071] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.678072] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.678073] Call Trace:
<4>[  793.678075]  <TASK>
<4>[  793.678076]  ? show_regs+0x6c/0x80
<4>[  793.678079]  ? __warn+0x93/0x1c0
<4>[  793.678083]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.678086]  ? report_bug+0x182/0x1b0
<4>[  793.678089]  ? handle_bug+0x6e/0xb0
<4>[  793.678092]  ? exc_invalid_op+0x18/0x80
<4>[  793.678094]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.678100]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.678103]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.678105]  ? mark_held_locks+0x46/0x90
<4>[  793.678113]  __iommu_map+0x119/0x2c0
<4>[  793.678119]  iommu_map_sg+0xbf/0x210
<4>[  793.678124]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.679864]  ? lock_release+0xd4/0x2b0
<4>[  793.680383] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.680542] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.680549] RBP: ffffc90001a27378 R08: 00000000002f8ab4 R09: 0000000000000001
<4>[  793.680551] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c94c
<4>[  793.680552] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ab4003
<4>[  793.680554] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.680556] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.680557] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.680559] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.680560] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.680562] Call Trace:
<4>[  793.680564]  <TASK>
<4>[  793.680565]  ? show_regs+0x6c/0x80
<4>[  793.680568]  ? __warn+0x93/0x1c0
<4>[  793.680571]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.680574]  ? report_bug+0x182/0x1b0
<4>[  793.680578]  ? handle_bug+0x6e/0xb0
<4>[  793.680580]  ? exc_invalid_op+0x18/0x80
<4>[  793.680583]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.680589]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.680592]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.680594]  ? mark_held_locks+0x46/0x90
<4>[  793.680602]  __iommu_map+0x119/0x2c0
<4>[  793.680609]  iommu_map_sg+0xbf/0x210
<4>[  793.680614]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.682034]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  793.682888] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.683044] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.683048] RDX: 0000000000000000 RSI: 0000000003d162b6 RDI: 0000000000000000
<4>[  793.683049] RBP: ffffc90001a27378 R08: 00000000002f8ab5 R09: 0000000000000001
<4>[  793.683051] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c94b
<4>[  793.683052] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ab5003
<4>[  793.683054] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.683056] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.683057] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.683059] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.683060] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.683062] Call Trace:
<4>[  793.683063]  <TASK>
<4>[  793.683065]  ? show_regs+0x6c/0x80
<4>[  793.683068]  ? __warn+0x93/0x1c0
<4>[  793.683071]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.683074]  ? report_bug+0x182/0x1b0
<4>[  793.683078]  ? handle_bug+0x6e/0xb0
<4>[  793.683080]  ? exc_invalid_op+0x18/0x80
<4>[  793.683082]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.683089]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.683091]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.683094]  ? mark_held_locks+0x46/0x90
<4>[  793.683101]  __iommu_map+0x119/0x2c0
<4>[  793.683108]  iommu_map_sg+0xbf/0x210
<4>[  793.683113]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.683119]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.683123]  dma_map_sgtable+0x1d/0x40
<4>[  793.683127]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.685360] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.685515] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.685522] RBP: ffffc90001a27378 R08: 00000000002f8ab6 R09: 0000000000000001
<4>[  793.685524] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c94a
<4>[  793.685525] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ab6003
<4>[  793.685527] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.685529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.685530] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.685532] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.685533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.685535] Call Trace:
<4>[  793.685536]  <TASK>
<4>[  793.685538]  ? show_regs+0x6c/0x80
<4>[  793.685541]  ? __warn+0x93/0x1c0
<4>[  793.685544]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.685547]  ? report_bug+0x182/0x1b0
<4>[  793.685551]  ? handle_bug+0x6e/0xb0
<4>[  793.685553]  ? exc_invalid_op+0x18/0x80
<4>[  793.685556]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.685562]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.685565]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.685567]  ? mark_held_locks+0x46/0x90
<4>[  793.685575]  __iommu_map+0x119/0x2c0
<4>[  793.685581]  iommu_map_sg+0xbf/0x210
<4>[  793.685586]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.687161]  i915_gem_do_execbuffer+0xd7a/0x3070 [i915]
<4>[  793.687864] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.688015] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.688019] RDX: 0000000000000000 RSI: 0000000003d162b8 RDI: 0000000000000000
<4>[  793.688020] RBP: ffffc90001a27378 R08: 00000000002f8ab7 R09: 0000000000000001
<4>[  793.688022] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c949
<4>[  793.688023] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ab7003
<4>[  793.688025] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.688027] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.688028] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.688030] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.688031] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.688033] Call Trace:
<4>[  793.688034]  <TASK>
<4>[  793.688036]  ? show_regs+0x6c/0x80
<4>[  793.688039]  ? __warn+0x93/0x1c0
<4>[  793.688042]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.688045]  ? report_bug+0x182/0x1b0
<4>[  793.688049]  ? handle_bug+0x6e/0xb0
<4>[  793.688051]  ? exc_invalid_op+0x18/0x80
<4>[  793.688054]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.688060]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.688063]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.688065]  ? mark_held_locks+0x46/0x90
<4>[  793.688073]  __iommu_map+0x119/0x2c0
<4>[  793.688079]  iommu_map_sg+0xbf/0x210
<4>[  793.688084]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.688091]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.688095]  dma_map_sgtable+0x1d/0x40
<4>[  793.689793]  ? lock_acquire+0xc9/0x300
<4>[  793.690342] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.690501] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.690508] RBP: ffffc90001a27378 R08: 00000000002f8ab8 R09: 0000000000000001
<4>[  793.690509] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c948
<4>[  793.690511] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ab8003
<4>[  793.690512] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.690514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.690515] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.690517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.690519] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.690520] Call Trace:
<4>[  793.690521]  <TASK>
<4>[  793.690523]  ? show_regs+0x6c/0x80
<4>[  793.690526]  ? __warn+0x93/0x1c0
<4>[  793.690529]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.690532]  ? report_bug+0x182/0x1b0
<4>[  793.690536]  ? handle_bug+0x6e/0xb0
<4>[  793.690538]  ? exc_invalid_op+0x18/0x80
<4>[  793.690541]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.690547]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.690550]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.690552]  ? mark_held_locks+0x46/0x90
<4>[  793.690560]  __iommu_map+0x119/0x2c0
<4>[  793.690566]  iommu_map_sg+0xbf/0x210
<4>[  793.690571]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.692300]  ? __kernel_text_address+0x12/0x50
<4>[  793.692850] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.693006] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.693010] RDX: 0000000000000000 RSI: 0000000003d162ba RDI: 0000000000000000
<4>[  793.693011] RBP: ffffc90001a27378 R08: 00000000002f8ab9 R09: 0000000000000001
<4>[  793.693013] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c947
<4>[  793.693014] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ab9003
<4>[  793.693016] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.693018] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.693019] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.693021] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.693022] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.693024] Call Trace:
<4>[  793.693025]  <TASK>
<4>[  793.693027]  ? show_regs+0x6c/0x80
<4>[  793.693030]  ? __warn+0x93/0x1c0
<4>[  793.693033]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.693036]  ? report_bug+0x182/0x1b0
<4>[  793.693040]  ? handle_bug+0x6e/0xb0
<4>[  793.693042]  ? exc_invalid_op+0x18/0x80
<4>[  793.693044]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.693051]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.693053]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.693056]  ? mark_held_locks+0x46/0x90
<4>[  793.693063]  __iommu_map+0x119/0x2c0
<4>[  793.693070]  iommu_map_sg+0xbf/0x210
<4>[  793.693075]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.693081]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.693086]  dma_map_sgtable+0x1d/0x40
<4>[  793.693089]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.695328] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.695486] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.695493] RBP: ffffc90001a27378 R08: 00000000002f8aba R09: 0000000000000001
<4>[  793.695495] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c946
<4>[  793.695496] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aba003
<4>[  793.695498] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.695500] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.695501] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.695503] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.695504] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.695506] Call Trace:
<4>[  793.695507]  <TASK>
<4>[  793.695509]  ? show_regs+0x6c/0x80
<4>[  793.695512]  ? __warn+0x93/0x1c0
<4>[  793.695515]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.695518]  ? report_bug+0x182/0x1b0
<4>[  793.695522]  ? handle_bug+0x6e/0xb0
<4>[  793.695524]  ? exc_invalid_op+0x18/0x80
<4>[  793.695527]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.695533]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.695536]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.695538]  ? mark_held_locks+0x46/0x90
<4>[  793.695546]  __iommu_map+0x119/0x2c0
<4>[  793.695552]  iommu_map_sg+0xbf/0x210
<4>[  793.695557]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.697603]  drm_ioctl_kernel+0xb2/0x120
<4>[  793.697806] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.697968] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.697975] RBP: ffffc90001a27378 R08: 00000000002f8abb R09: 0000000000000001
<4>[  793.697976] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c945
<4>[  793.697978] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8abb003
<4>[  793.697979] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.697981] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.697983] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.697984] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.697986] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.697987] Call Trace:
<4>[  793.697989]  <TASK>
<4>[  793.697990]  ? show_regs+0x6c/0x80
<4>[  793.697993]  ? __warn+0x93/0x1c0
<4>[  793.697996]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.697999]  ? report_bug+0x182/0x1b0
<4>[  793.698003]  ? handle_bug+0x6e/0xb0
<4>[  793.698005]  ? exc_invalid_op+0x18/0x80
<4>[  793.698008]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.698014]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.698017]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.698019]  ? mark_held_locks+0x46/0x90
<4>[  793.698027]  __iommu_map+0x119/0x2c0
<4>[  793.698033]  iommu_map_sg+0xbf/0x210
<4>[  793.698038]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.700088]  drm_ioctl_kernel+0xb2/0x120
<4>[  793.700296] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.700449] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.700456] RBP: ffffc90001a27378 R08: 00000000002f8abc R09: 0000000000000001
<4>[  793.700458] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c944
<4>[  793.700459] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8abc003
<4>[  793.700461] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.700463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.700464] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.700466] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.700467] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.700469] Call Trace:
<4>[  793.700470]  <TASK>
<4>[  793.700472]  ? show_regs+0x6c/0x80
<4>[  793.700475]  ? __warn+0x93/0x1c0
<4>[  793.700478]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.700481]  ? report_bug+0x182/0x1b0
<4>[  793.700485]  ? handle_bug+0x6e/0xb0
<4>[  793.700487]  ? exc_invalid_op+0x18/0x80
<4>[  793.700489]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.700496]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.700498]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.700501]  ? mark_held_locks+0x46/0x90
<4>[  793.700508]  __iommu_map+0x119/0x2c0
<4>[  793.700515]  iommu_map_sg+0xbf/0x210
<4>[  793.700520]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.702234]  ? __kernel_text_address+0x12/0x50
<4>[  793.702769] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.702933] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.702937] RDX: 0000000000000000 RSI: 0000000003d162be RDI: 0000000000000000
<4>[  793.702939] RBP: ffffc90001a27378 R08: 00000000002f8abd R09: 0000000000000001
<4>[  793.702940] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c943
<4>[  793.702942] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8abd003
<4>[  793.702943] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.702945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.702947] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.702948] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.702950] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.702951] Call Trace:
<4>[  793.702952]  <TASK>
<4>[  793.702954]  ? show_regs+0x6c/0x80
<4>[  793.702957]  ? __warn+0x93/0x1c0
<4>[  793.702960]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.702963]  ? report_bug+0x182/0x1b0
<4>[  793.702967]  ? handle_bug+0x6e/0xb0
<4>[  793.702969]  ? exc_invalid_op+0x18/0x80
<4>[  793.702972]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.702978]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.702981]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.702984]  ? mark_held_locks+0x46/0x90
<4>[  793.702991]  __iommu_map+0x119/0x2c0
<4>[  793.702997]  iommu_map_sg+0xbf/0x210
<4>[  793.703003]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.703009]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.703014]  dma_map_sgtable+0x1d/0x40
<4>[  793.703017]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.705250] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.705408] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.705415] RBP: ffffc90001a27378 R08: 00000000002f8abe R09: 0000000000000001
<4>[  793.705416] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c942
<4>[  793.705417] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8abe003
<4>[  793.705419] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.705421] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.705422] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.705424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.705425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.705427] Call Trace:
<4>[  793.705428]  <TASK>
<4>[  793.705430]  ? show_regs+0x6c/0x80
<4>[  793.705433]  ? __warn+0x93/0x1c0
<4>[  793.705436]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.705439]  ? report_bug+0x182/0x1b0
<4>[  793.705443]  ? handle_bug+0x6e/0xb0
<4>[  793.705445]  ? exc_invalid_op+0x18/0x80
<4>[  793.705447]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.705454]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.705456]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.705459]  ? mark_held_locks+0x46/0x90
<4>[  793.705466]  __iommu_map+0x119/0x2c0
<4>[  793.705473]  iommu_map_sg+0xbf/0x210
<4>[  793.705478]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.707197]  ? __kernel_text_address+0x12/0x50
<4>[  793.707745] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  793.707904] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.707908] RDX: 0000000000000000 RSI: 0000000003d162c0 RDI: 0000000000000000
<4>[  793.707909] RBP: ffffc90001a27378 R08: 00000000002f8abf R09: 0000000000000001
<4>[  793.707910] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c941
<4>[  793.707912] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8abf003
<4>[  793.707914] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.707915] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.707917] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.707918] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.707920] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.707921] Call Trace:
<4>[  793.707923]  <TASK>
<4>[  793.707924]  ? show_regs+0x6c/0x80
<4>[  793.707927]  ? __warn+0x93/0x1c0
<4>[  793.707930]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.707933]  ? report_bug+0x182/0x1b0
<4>[  793.707937]  ? handle_bug+0x6e/0xb0
<4>[  793.707939]  ? exc_invalid_op+0x18/0x80
<4>[  793.707942]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.707948]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.707951]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.707954]  ? mark_held_locks+0x46/0x90
<4>[  793.707961]  __iommu_map+0x119/0x2c0
<4>[  793.707968]  iommu_map_sg+0xbf/0x210
<4>[  793.707973]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.707979]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.707984]  dma_map_sgtable+0x1d/0x40
<4>[  793.707987]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.710238] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.710394] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.710401] RBP: ffffc90001a27378 R08: 00000000002f8ac0 R09: 0000000000000001
<4>[  793.710402] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c940
<4>[  793.710404] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ac0003
<4>[  793.710405] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.710407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.710409] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.710410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.710412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.710413] Call Trace:
<4>[  793.710414]  <TASK>
<4>[  793.710416]  ? show_regs+0x6c/0x80
<4>[  793.710419]  ? __warn+0x93/0x1c0
<4>[  793.710422]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.710425]  ? report_bug+0x182/0x1b0
<4>[  793.710429]  ? handle_bug+0x6e/0xb0
<4>[  793.710431]  ? exc_invalid_op+0x18/0x80
<4>[  793.710434]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.710440]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.710443]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.710445]  ? mark_held_locks+0x46/0x90
<4>[  793.710453]  __iommu_map+0x119/0x2c0
<4>[  793.710459]  iommu_map_sg+0xbf/0x210
<4>[  793.710464]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.711873]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  793.712709] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.712868] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.712875] RBP: ffffc90001a27378 R08: 00000000002f8ac1 R09: 0000000000000001
<4>[  793.712877] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c93f
<4>[  793.712878] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ac1003
<4>[  793.712880] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.712882] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.712884] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.712885] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.712887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.712888] Call Trace:
<4>[  793.712890]  <TASK>
<4>[  793.712891]  ? show_regs+0x6c/0x80
<4>[  793.712895]  ? __warn+0x93/0x1c0
<4>[  793.712898]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.712901]  ? report_bug+0x182/0x1b0
<4>[  793.712905]  ? handle_bug+0x6e/0xb0
<4>[  793.712907]  ? exc_invalid_op+0x18/0x80
<4>[  793.712909]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.712916]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.712919]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.712921]  ? mark_held_locks+0x46/0x90
<4>[  793.712928]  __iommu_map+0x119/0x2c0
<4>[  793.712935]  iommu_map_sg+0xbf/0x210
<4>[  793.712940]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.714995]  drm_ioctl_kernel+0xb2/0x120
<4>[  793.715210] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.715366] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.715370] RDX: 0000000000000000 RSI: 0000000003d162c3 RDI: 0000000000000000
<4>[  793.715372] RBP: ffffc90001a27378 R08: 00000000002f8ac2 R09: 0000000000000001
<4>[  793.715373] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c93e
<4>[  793.715374] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ac2003
<4>[  793.715376] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.715378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.715379] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.715381] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.715382] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.715384] Call Trace:
<4>[  793.715385]  <TASK>
<4>[  793.715387]  ? show_regs+0x6c/0x80
<4>[  793.715390]  ? __warn+0x93/0x1c0
<4>[  793.715393]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.715396]  ? report_bug+0x182/0x1b0
<4>[  793.715400]  ? handle_bug+0x6e/0xb0
<4>[  793.715402]  ? exc_invalid_op+0x18/0x80
<4>[  793.715405]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.715411]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.715414]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.715416]  ? mark_held_locks+0x46/0x90
<4>[  793.715424]  __iommu_map+0x119/0x2c0
<4>[  793.715430]  iommu_map_sg+0xbf/0x210
<4>[  793.715435]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.715442]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.715446]  dma_map_sgtable+0x1d/0x40
<4>[  793.715449]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.717694] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.717858] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.717865] RBP: ffffc90001a27378 R08: 00000000002f8ac3 R09: 0000000000000001
<4>[  793.717866] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c93d
<4>[  793.717868] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ac3003
<4>[  793.717869] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.717871] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.717873] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.717874] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.717876] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.717877] Call Trace:
<4>[  793.717879]  <TASK>
<4>[  793.717880]  ? show_regs+0x6c/0x80
<4>[  793.717884]  ? __warn+0x93/0x1c0
<4>[  793.717887]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.717890]  ? report_bug+0x182/0x1b0
<4>[  793.717894]  ? handle_bug+0x6e/0xb0
<4>[  793.717896]  ? exc_invalid_op+0x18/0x80
<4>[  793.717899]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.717905]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.717908]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.717911]  ? mark_held_locks+0x46/0x90
<4>[  793.717918]  __iommu_map+0x119/0x2c0
<4>[  793.717924]  iommu_map_sg+0xbf/0x210
<4>[  793.717929]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.720141]  ? rcu_read_unlock+0x1c/0x80
<4>[  793.720187] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.720341] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.720345] RDX: 0000000000000000 RSI: 0000000003d162c5 RDI: 0000000000000000
<4>[  793.720347] RBP: ffffc90001a27378 R08: 00000000002f8ac4 R09: 0000000000000001
<4>[  793.720348] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c93c
<4>[  793.720350] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ac4003
<4>[  793.720351] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.720353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.720355] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.720356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.720358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.720359] Call Trace:
<4>[  793.720361]  <TASK>
<4>[  793.720362]  ? show_regs+0x6c/0x80
<4>[  793.720366]  ? __warn+0x93/0x1c0
<4>[  793.720369]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.720372]  ? report_bug+0x182/0x1b0
<4>[  793.720376]  ? handle_bug+0x6e/0xb0
<4>[  793.720378]  ? exc_invalid_op+0x18/0x80
<4>[  793.720380]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.720387]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.720389]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.720392]  ? mark_held_locks+0x46/0x90
<4>[  793.720399]  __iommu_map+0x119/0x2c0
<4>[  793.720405]  iommu_map_sg+0xbf/0x210
<4>[  793.720410]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.720417]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.720421]  dma_map_sgtable+0x1d/0x40
<4>[  793.720424]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.722695] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.722864] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.722871] RBP: ffffc90001a27378 R08: 00000000002f8ac5 R09: 0000000000000001
<4>[  793.722872] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c93b
<4>[  793.722874] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ac5003
<4>[  793.722876] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.722877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.722879] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.722881] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.722883] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.722884] Call Trace:
<4>[  793.722885]  <TASK>
<4>[  793.722887]  ? show_regs+0x6c/0x80
<4>[  793.722891]  ? __warn+0x93/0x1c0
<4>[  793.722894]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.722897]  ? report_bug+0x182/0x1b0
<4>[  793.722901]  ? handle_bug+0x6e/0xb0
<4>[  793.722903]  ? exc_invalid_op+0x18/0x80
<4>[  793.722906]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.722913]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.722916]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.722918]  ? mark_held_locks+0x46/0x90
<4>[  793.722926]  __iommu_map+0x119/0x2c0
<4>[  793.722932]  iommu_map_sg+0xbf/0x210
<4>[  793.722937]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.724848]  ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915]
<4>[  793.725224] softirqs last  enabled at (245021258): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.725365] RDX: 0000000000000000 RSI: 0000000003d162c7 RDI: 0000000000000000
<4>[  793.725366] RBP: ffffc90001a27378 R08: 00000000002f8ac6 R09: 0000000000000001
<4>[  793.725368] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c93a
<4>[  793.725369] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ac6003
<4>[  793.725371] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.725373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.725374] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.725376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.725377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.725379] Call Trace:
<4>[  793.725380]  <TASK>
<4>[  793.725382]  ? show_regs+0x6c/0x80
<4>[  793.725385]  ? __warn+0x93/0x1c0
<4>[  793.725388]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.725391]  ? report_bug+0x182/0x1b0
<4>[  793.725395]  ? handle_bug+0x6e/0xb0
<4>[  793.725397]  ? exc_invalid_op+0x18/0x80
<4>[  793.725400]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.725406]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.725408]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.725411]  ? mark_held_locks+0x46/0x90
<4>[  793.725418]  __iommu_map+0x119/0x2c0
<4>[  793.725425]  iommu_map_sg+0xbf/0x210
<4>[  793.725430]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.725436]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.725441]  dma_map_sgtable+0x1d/0x40
<4>[  793.725444]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.727664] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.727824] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.727831] RBP: ffffc90001a27378 R08: 00000000002f8ac7 R09: 0000000000000001
<4>[  793.727833] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c939
<4>[  793.727834] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ac7003
<4>[  793.727836] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.727838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.727839] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.727841] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.727842] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.727844] Call Trace:
<4>[  793.727845]  <TASK>
<4>[  793.727846]  ? show_regs+0x6c/0x80
<4>[  793.727850]  ? __warn+0x93/0x1c0
<4>[  793.727852]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.727855]  ? report_bug+0x182/0x1b0
<4>[  793.727859]  ? handle_bug+0x6e/0xb0
<4>[  793.727861]  ? exc_invalid_op+0x18/0x80
<4>[  793.727864]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.727870]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.727873]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.727875]  ? mark_held_locks+0x46/0x90
<4>[  793.727883]  __iommu_map+0x119/0x2c0
<4>[  793.727889]  iommu_map_sg+0xbf/0x210
<4>[  793.727894]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.729589]  ? __kernel_text_address+0x12/0x50
<4>[  793.730125] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.730279] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.730283] RDX: 0000000000000000 RSI: 0000000003d162c9 RDI: 0000000000000000
<4>[  793.730284] RBP: ffffc90001a27378 R08: 00000000002f8ac8 R09: 0000000000000001
<4>[  793.730286] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c938
<4>[  793.730287] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ac8003
<4>[  793.730289] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.730290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.730292] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.730293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.730295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.730296] Call Trace:
<4>[  793.730298]  <TASK>
<4>[  793.730299]  ? show_regs+0x6c/0x80
<4>[  793.730302]  ? __warn+0x93/0x1c0
<4>[  793.730305]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.730308]  ? report_bug+0x182/0x1b0
<4>[  793.730312]  ? handle_bug+0x6e/0xb0
<4>[  793.730314]  ? exc_invalid_op+0x18/0x80
<4>[  793.730317]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.730323]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.730326]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.730328]  ? mark_held_locks+0x46/0x90
<4>[  793.730336]  __iommu_map+0x119/0x2c0
<4>[  793.730342]  iommu_map_sg+0xbf/0x210
<4>[  793.730347]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.730354]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.730358]  dma_map_sgtable+0x1d/0x40
<4>[  793.730361]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.732582] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.732743] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.732747] RDX: 0000000000000000 RSI: 0000000003d162ca RDI: 0000000000000000
<4>[  793.732748] RBP: ffffc90001a27378 R08: 00000000002f8ac9 R09: 0000000000000001
<4>[  793.732750] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c937
<4>[  793.732751] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ac9003
<4>[  793.732753] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.732755] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.732756] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.732758] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.732759] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.732761] Call Trace:
<4>[  793.732762]  <TASK>
<4>[  793.732764]  ? show_regs+0x6c/0x80
<4>[  793.732767]  ? __warn+0x93/0x1c0
<4>[  793.732770]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.732773]  ? report_bug+0x182/0x1b0
<4>[  793.732777]  ? handle_bug+0x6e/0xb0
<4>[  793.732779]  ? exc_invalid_op+0x18/0x80
<4>[  793.732782]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.732788]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.732791]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.732793]  ? mark_held_locks+0x46/0x90
<4>[  793.732801]  __iommu_map+0x119/0x2c0
<4>[  793.732807]  iommu_map_sg+0xbf/0x210
<4>[  793.732818]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.732824]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.732829]  dma_map_sgtable+0x1d/0x40
<4>[  793.732832]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.735083] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.735240] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  793.735247] RDX: 0000000000000000 RSI: 0000000003d162cb RDI: 0000000000000000
<4>[  793.735249] RBP: ffffc90001a27378 R08: 00000000002f8aca R09: 0000000000000001
<4>[  793.735250] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c936
<4>[  793.735252] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aca003
<4>[  793.735253] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.735255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.735257] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.735258] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.735260] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.735261] Call Trace:
<4>[  793.735263]  <TASK>
<4>[  793.735264]  ? show_regs+0x6c/0x80
<4>[  793.735267]  ? __warn+0x93/0x1c0
<4>[  793.735270]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.735273]  ? report_bug+0x182/0x1b0
<4>[  793.735277]  ? handle_bug+0x6e/0xb0
<4>[  793.735279]  ? exc_invalid_op+0x18/0x80
<4>[  793.735282]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.735288]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.735291]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.735293]  ? mark_held_locks+0x46/0x90
<4>[  793.735301]  __iommu_map+0x119/0x2c0
<4>[  793.735308]  iommu_map_sg+0xbf/0x210
<4>[  793.735313]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.735319]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.735323]  dma_map_sgtable+0x1d/0x40
<4>[  793.735326]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.737552] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.737712] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.737716] RDX: 0000000000000000 RSI: 0000000003d162cc RDI: 0000000000000000
<4>[  793.737717] RBP: ffffc90001a27378 R08: 00000000002f8acb R09: 0000000000000001
<4>[  793.737719] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c935
<4>[  793.737720] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8acb003
<4>[  793.737722] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.737723] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.737725] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.737727] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.737728] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.737729] Call Trace:
<4>[  793.737731]  <TASK>
<4>[  793.737732]  ? show_regs+0x6c/0x80
<4>[  793.737736]  ? __warn+0x93/0x1c0
<4>[  793.737739]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.737742]  ? report_bug+0x182/0x1b0
<4>[  793.737745]  ? handle_bug+0x6e/0xb0
<4>[  793.737748]  ? exc_invalid_op+0x18/0x80
<4>[  793.737750]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.737756]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.737759]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.737761]  ? mark_held_locks+0x46/0x90
<4>[  793.737769]  __iommu_map+0x119/0x2c0
<4>[  793.737775]  iommu_map_sg+0xbf/0x210
<4>[  793.737780]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.737787]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.737791]  dma_map_sgtable+0x1d/0x40
<4>[  793.737794]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.740030] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.740186] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  793.740193] RDX: 0000000000000000 RSI: 0000000003d162cd RDI: 0000000000000000
<4>[  793.740195] RBP: ffffc90001a27378 R08: 00000000002f8acc R09: 0000000000000001
<4>[  793.740196] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c934
<4>[  793.740198] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8acc003
<4>[  793.740199] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.740201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.740203] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.740204] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.740206] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.740207] Call Trace:
<4>[  793.740209]  <TASK>
<4>[  793.740210]  ? show_regs+0x6c/0x80
<4>[  793.740213]  ? __warn+0x93/0x1c0
<4>[  793.740216]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.740219]  ? report_bug+0x182/0x1b0
<4>[  793.740223]  ? handle_bug+0x6e/0xb0
<4>[  793.740225]  ? exc_invalid_op+0x18/0x80
<4>[  793.740228]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.740234]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.740237]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.740239]  ? mark_held_locks+0x46/0x90
<4>[  793.740247]  __iommu_map+0x119/0x2c0
<4>[  793.740253]  iommu_map_sg+0xbf/0x210
<4>[  793.740258]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.740264]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.740269]  dma_map_sgtable+0x1d/0x40
<4>[  793.740272]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.742510]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
<2>[  793.742545] DMAR: ERROR: DMA PTE for vPFN 0x3d162ce already set (to 2f8acd003 not 2f8acd003)
<4>[  793.742680] RDX: 0000000000000000 RSI: 0000000003d162ce RDI: 0000000000000000
<4>[  793.742681] RBP: ffffc90001a27378 R08: 00000000002f8acd R09: 0000000000000001
<4>[  793.742683] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c933
<4>[  793.742684] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8acd003
<4>[  793.742686] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.742687] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.742689] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.742691] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.742692] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.742693] Call Trace:
<4>[  793.742695]  <TASK>
<4>[  793.742696]  ? show_regs+0x6c/0x80
<4>[  793.742699]  ? __warn+0x93/0x1c0
<4>[  793.742702]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.742705]  ? report_bug+0x182/0x1b0
<4>[  793.742709]  ? handle_bug+0x6e/0xb0
<4>[  793.742711]  ? exc_invalid_op+0x18/0x80
<4>[  793.742714]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.742720]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.742723]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.742725]  ? mark_held_locks+0x46/0x90
<4>[  793.742733]  __iommu_map+0x119/0x2c0
<4>[  793.742739]  iommu_map_sg+0xbf/0x210
<4>[  793.742744]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.742751]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.742755]  dma_map_sgtable+0x1d/0x40
<4>[  793.742758]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.744993] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.745148] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.745155] RBP: ffffc90001a27378 R08: 00000000002f8ace R09: 0000000000000001
<4>[  793.745157] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c932
<4>[  793.745158] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ace003
<4>[  793.745160] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.745162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.745163] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.745165] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.745166] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.745168] Call Trace:
<4>[  793.745169]  <TASK>
<4>[  793.745170]  ? show_regs+0x6c/0x80
<4>[  793.745173]  ? __warn+0x93/0x1c0
<4>[  793.745177]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.745179]  ? report_bug+0x182/0x1b0
<4>[  793.745183]  ? handle_bug+0x6e/0xb0
<4>[  793.745186]  ? exc_invalid_op+0x18/0x80
<4>[  793.745188]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.745194]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.745197]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.745200]  ? mark_held_locks+0x46/0x90
<4>[  793.745207]  __iommu_map+0x119/0x2c0
<4>[  793.745213]  iommu_map_sg+0xbf/0x210
<4>[  793.745218]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.747259]  drm_ioctl_kernel+0xb2/0x120
<4>[  793.747463] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.747617] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.747624] RBP: ffffc90001a27378 R08: 00000000002f8acf R09: 0000000000000001
<4>[  793.747625] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c931
<4>[  793.747627] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8acf003
<4>[  793.747628] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.747630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.747631] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.747633] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.747635] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.747636] Call Trace:
<4>[  793.747637]  <TASK>
<4>[  793.747639]  ? show_regs+0x6c/0x80
<4>[  793.747642]  ? __warn+0x93/0x1c0
<4>[  793.747645]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.747648]  ? report_bug+0x182/0x1b0
<4>[  793.747652]  ? handle_bug+0x6e/0xb0
<4>[  793.747654]  ? exc_invalid_op+0x18/0x80
<4>[  793.747657]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.747663]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.747666]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.747668]  ? mark_held_locks+0x46/0x90
<4>[  793.747676]  __iommu_map+0x119/0x2c0
<4>[  793.747682]  iommu_map_sg+0xbf/0x210
<4>[  793.747687]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.749906]  x64_sys_call+0x131e/0x2650
<4>[  793.749944] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.750098] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.750100] RAX: 0000000000000000 RBX: ffff888126b31688 RCX: 0000000000000000
<4>[  793.750102] RDX: 0000000000000000 RSI: 0000000003d162d1 RDI: 0000000000000000
<4>[  793.750103] RBP: ffffc90001a27378 R08: 00000000002f8ad0 R09: 0000000000000001
<4>[  793.750105] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c930
<4>[  793.750106] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ad0003
<4>[  793.750108] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.750109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.750111] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.750113] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.750114] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.750115] Call Trace:
<4>[  793.750117]  <TASK>
<4>[  793.750118]  ? show_regs+0x6c/0x80
<4>[  793.750121]  ? __warn+0x93/0x1c0
<4>[  793.750124]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.750127]  ? report_bug+0x182/0x1b0
<4>[  793.750131]  ? handle_bug+0x6e/0xb0
<4>[  793.750133]  ? exc_invalid_op+0x18/0x80
<4>[  793.750136]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.750142]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.750145]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.750147]  ? mark_held_locks+0x46/0x90
<4>[  793.750155]  __iommu_map+0x119/0x2c0
<4>[  793.750162]  iommu_map_sg+0xbf/0x210
<4>[  793.750167]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.750180]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.752425] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.752580] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.752583] RAX: 0000000000000000 RBX: ffff888126b31690 RCX: 0000000000000000
<4>[  793.752584] RDX: 0000000000000000 RSI: 0000000003d162d2 RDI: 0000000000000000
<4>[  793.752586] RBP: ffffc90001a27378 R08: 00000000002f8ad1 R09: 0000000000000001
<4>[  793.752587] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c92f
<4>[  793.752589] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ad1003
<4>[  793.752590] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.752592] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.752594] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.752595] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.752597] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.752598] Call Trace:
<4>[  793.752599]  <TASK>
<4>[  793.752601]  ? show_regs+0x6c/0x80
<4>[  793.752604]  ? __warn+0x93/0x1c0
<4>[  793.752607]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.752610]  ? report_bug+0x182/0x1b0
<4>[  793.752614]  ? handle_bug+0x6e/0xb0
<4>[  793.752616]  ? exc_invalid_op+0x18/0x80
<4>[  793.752619]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.752625]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.752628]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.752630]  ? mark_held_locks+0x46/0x90
<4>[  793.752638]  __iommu_map+0x119/0x2c0
<4>[  793.752644]  iommu_map_sg+0xbf/0x210
<4>[  793.752649]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.752656]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.754900]  ? clear_bhb_loop+0x15/0x70
<4>[  793.754919] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  793.755072] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.755074] RAX: 0000000000000000 RBX: ffff888126b31698 RCX: 0000000000000000
<4>[  793.755076] RDX: 0000000000000000 RSI: 0000000003d162d3 RDI: 0000000000000000
<4>[  793.755077] RBP: ffffc90001a27378 R08: 00000000002f8ad2 R09: 0000000000000001
<4>[  793.755079] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c92e
<4>[  793.755080] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ad2003
<4>[  793.755082] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.755083] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.755085] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.755087] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.755088] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.755089] Call Trace:
<4>[  793.755091]  <TASK>
<4>[  793.755092]  ? show_regs+0x6c/0x80
<4>[  793.755095]  ? __warn+0x93/0x1c0
<4>[  793.755099]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.755102]  ? report_bug+0x182/0x1b0
<4>[  793.755106]  ? handle_bug+0x6e/0xb0
<4>[  793.755108]  ? exc_invalid_op+0x18/0x80
<4>[  793.755110]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.755117]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.755119]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.755122]  ? mark_held_locks+0x46/0x90
<4>[  793.755129]  __iommu_map+0x119/0x2c0
<4>[  793.755136]  iommu_map_sg+0xbf/0x210
<4>[  793.755141]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.756870]  ? __lock_acquire+0x442/0x2810
<4>[  793.757387] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.757546] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.757548] RAX: 0000000000000000 RBX: ffff888126b316a0 RCX: 0000000000000000
<4>[  793.757549] RDX: 0000000000000000 RSI: 0000000003d162d4 RDI: 0000000000000000
<4>[  793.757551] RBP: ffffc90001a27378 R08: 00000000002f8ad3 R09: 0000000000000001
<4>[  793.757552] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c92d
<4>[  793.757554] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ad3003
<4>[  793.757555] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.757557] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.757559] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.757560] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.757562] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.757563] Call Trace:
<4>[  793.757564]  <TASK>
<4>[  793.757566]  ? show_regs+0x6c/0x80
<4>[  793.757569]  ? __warn+0x93/0x1c0
<4>[  793.757572]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.757575]  ? report_bug+0x182/0x1b0
<4>[  793.757579]  ? handle_bug+0x6e/0xb0
<4>[  793.757581]  ? exc_invalid_op+0x18/0x80
<4>[  793.757584]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.757590]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.757593]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.757595]  ? mark_held_locks+0x46/0x90
<4>[  793.757603]  __iommu_map+0x119/0x2c0
<4>[  793.757609]  iommu_map_sg+0xbf/0x210
<4>[  793.757614]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.757621]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.759859]  ? clear_bhb_loop+0x15/0x70
<4>[  793.759886]  </TASK>
<4>[  793.759893] softirqs last  enabled at (245112458): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.760033] RAX: 0000000000000000 RBX: ffff888126b316a8 RCX: 0000000000000000
<4>[  793.760034] RDX: 0000000000000000 RSI: 0000000003d162d5 RDI: 0000000000000000
<4>[  793.760036] RBP: ffffc90001a27378 R08: 00000000002f8ad4 R09: 0000000000000001
<4>[  793.760037] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c92c
<4>[  793.760039] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ad4003
<4>[  793.760040] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.760042] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.760044] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.760045] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.760047] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.760048] Call Trace:
<4>[  793.760049]  <TASK>
<4>[  793.760051]  ? show_regs+0x6c/0x80
<4>[  793.760054]  ? __warn+0x93/0x1c0
<4>[  793.760057]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.760060]  ? report_bug+0x182/0x1b0
<4>[  793.760064]  ? handle_bug+0x6e/0xb0
<4>[  793.760066]  ? exc_invalid_op+0x18/0x80
<4>[  793.760069]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.760075]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.760078]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.760080]  ? mark_held_locks+0x46/0x90
<4>[  793.760088]  __iommu_map+0x119/0x2c0
<4>[  793.760094]  iommu_map_sg+0xbf/0x210
<4>[  793.760099]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.760105]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.762335]  ? clear_bhb_loop+0x15/0x70
<4>[  793.762364] hardirqs last  enabled at (245115043): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.762508] RAX: 0000000000000000 RBX: ffff888126b316b0 RCX: 0000000000000000
<4>[  793.762510] RDX: 0000000000000000 RSI: 0000000003d162d6 RDI: 0000000000000000
<4>[  793.762511] RBP: ffffc90001a27378 R08: 00000000002f8ad5 R09: 0000000000000001
<4>[  793.762513] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c92b
<4>[  793.762514] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ad5003
<4>[  793.762516] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.762518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.762519] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.762521] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.762522] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.762524] Call Trace:
<4>[  793.762525]  <TASK>
<4>[  793.762526]  ? show_regs+0x6c/0x80
<4>[  793.762530]  ? __warn+0x93/0x1c0
<4>[  793.762533]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.762536]  ? report_bug+0x182/0x1b0
<4>[  793.762539]  ? handle_bug+0x6e/0xb0
<4>[  793.762542]  ? exc_invalid_op+0x18/0x80
<4>[  793.762544]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.762550]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.762553]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.762556]  ? mark_held_locks+0x46/0x90
<4>[  793.762563]  __iommu_map+0x119/0x2c0
<4>[  793.762569]  iommu_map_sg+0xbf/0x210
<4>[  793.762574]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.762581]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.764628]  drm_ioctl_kernel+0xb2/0x120
<4>[  793.764840] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.764996] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.764998] RAX: 0000000000000000 RBX: ffff888126b316b8 RCX: 0000000000000000
<4>[  793.764999] RDX: 0000000000000000 RSI: 0000000003d162d7 RDI: 0000000000000000
<4>[  793.765001] RBP: ffffc90001a27378 R08: 00000000002f8ad6 R09: 0000000000000001
<4>[  793.765002] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c92a
<4>[  793.765004] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ad6003
<4>[  793.765005] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.765007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.765009] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.765010] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.765012] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.765013] Call Trace:
<4>[  793.765014]  <TASK>
<4>[  793.765016]  ? show_regs+0x6c/0x80
<4>[  793.765019]  ? __warn+0x93/0x1c0
<4>[  793.765022]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.765025]  ? report_bug+0x182/0x1b0
<4>[  793.765029]  ? handle_bug+0x6e/0xb0
<4>[  793.765032]  ? exc_invalid_op+0x18/0x80
<4>[  793.765034]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.765040]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.765043]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.765045]  ? mark_held_locks+0x46/0x90
<4>[  793.765053]  __iommu_map+0x119/0x2c0
<4>[  793.765059]  iommu_map_sg+0xbf/0x210
<4>[  793.765064]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.766824]  i915_gem_execbuffer2_ioctl+0x15a/0x310 [i915]
<4>[  793.767340] hardirqs last  enabled at (245117413): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.767484] RAX: 0000000000000000 RBX: ffff888126b316c0 RCX: 0000000000000000
<4>[  793.767485] RDX: 0000000000000000 RSI: 0000000003d162d8 RDI: 0000000000000000
<4>[  793.767487] RBP: ffffc90001a27378 R08: 00000000002f8ad7 R09: 0000000000000001
<4>[  793.767488] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c929
<4>[  793.767490] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ad7003
<4>[  793.767491] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.767493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.767494] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.767496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.767497] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.767499] Call Trace:
<4>[  793.767500]  <TASK>
<4>[  793.767502]  ? show_regs+0x6c/0x80
<4>[  793.767505]  ? __warn+0x93/0x1c0
<4>[  793.767508]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.767511]  ? report_bug+0x182/0x1b0
<4>[  793.767515]  ? handle_bug+0x6e/0xb0
<4>[  793.767517]  ? exc_invalid_op+0x18/0x80
<4>[  793.767519]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.767526]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.767529]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.767531]  ? mark_held_locks+0x46/0x90
<4>[  793.767539]  __iommu_map+0x119/0x2c0
<4>[  793.767545]  iommu_map_sg+0xbf/0x210
<4>[  793.767550]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.767556]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.769764]  ? find_held_lock+0x31/0x90
<4>[  793.769817] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.769975] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.769977] RAX: 0000000000000000 RBX: ffff888126b316c8 RCX: 0000000000000000
<4>[  793.769979] RDX: 0000000000000000 RSI: 0000000003d162d9 RDI: 0000000000000000
<4>[  793.769980] RBP: ffffc90001a27378 R08: 00000000002f8ad8 R09: 0000000000000001
<4>[  793.769982] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c928
<4>[  793.769983] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ad8003
<4>[  793.769985] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.769986] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.769988] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.769990] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.769991] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.769992] Call Trace:
<4>[  793.769994]  <TASK>
<4>[  793.769995]  ? show_regs+0x6c/0x80
<4>[  793.769999]  ? __warn+0x93/0x1c0
<4>[  793.770002]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.770005]  ? report_bug+0x182/0x1b0
<4>[  793.770008]  ? handle_bug+0x6e/0xb0
<4>[  793.770011]  ? exc_invalid_op+0x18/0x80
<4>[  793.770013]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.770019]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.770022]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.770025]  ? mark_held_locks+0x46/0x90
<4>[  793.770032]  __iommu_map+0x119/0x2c0
<4>[  793.770038]  iommu_map_sg+0xbf/0x210
<4>[  793.770043]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.770050]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.772291]  ? clear_bhb_loop+0x15/0x70
<4>[  793.772321] hardirqs last disabled at (245119788): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.772462] RAX: 0000000000000000 RBX: ffff888126b316d0 RCX: 0000000000000000
<4>[  793.772464] RDX: 0000000000000000 RSI: 0000000003d162da RDI: 0000000000000000
<4>[  793.772465] RBP: ffffc90001a27378 R08: 00000000002f8ad9 R09: 0000000000000001
<4>[  793.772467] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c927
<4>[  793.772468] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ad9003
<4>[  793.772470] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.772471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.772473] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.772474] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.772476] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.772477] Call Trace:
<4>[  793.772479]  <TASK>
<4>[  793.772480]  ? show_regs+0x6c/0x80
<4>[  793.772483]  ? __warn+0x93/0x1c0
<4>[  793.772487]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.772490]  ? report_bug+0x182/0x1b0
<4>[  793.772493]  ? handle_bug+0x6e/0xb0
<4>[  793.772496]  ? exc_invalid_op+0x18/0x80
<4>[  793.772498]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.772504]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.772507]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.772509]  ? mark_held_locks+0x46/0x90
<4>[  793.772517]  __iommu_map+0x119/0x2c0
<4>[  793.772523]  iommu_map_sg+0xbf/0x210
<4>[  793.772528]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.772535]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.774772]  ? irqentry_exit+0x77/0xb0
<4>[  793.774793] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.774953] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.774955] RAX: 0000000000000000 RBX: ffff888126b316d8 RCX: 0000000000000000
<4>[  793.774957] RDX: 0000000000000000 RSI: 0000000003d162db RDI: 0000000000000000
<4>[  793.774958] RBP: ffffc90001a27378 R08: 00000000002f8ada R09: 0000000000000001
<4>[  793.774960] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c926
<4>[  793.774961] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ada003
<4>[  793.774963] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.774964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.774966] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.774968] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.774969] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.774970] Call Trace:
<4>[  793.774972]  <TASK>
<4>[  793.774973]  ? show_regs+0x6c/0x80
<4>[  793.774977]  ? __warn+0x93/0x1c0
<4>[  793.774980]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.774983]  ? report_bug+0x182/0x1b0
<4>[  793.774986]  ? handle_bug+0x6e/0xb0
<4>[  793.774989]  ? exc_invalid_op+0x18/0x80
<4>[  793.774991]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.774997]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.775000]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.775003]  ? mark_held_locks+0x46/0x90
<4>[  793.775010]  __iommu_map+0x119/0x2c0
<4>[  793.775016]  iommu_map_sg+0xbf/0x210
<4>[  793.775021]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.775028]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.777278] RIP: 0033:0x7628f4b24ded
<4>[  793.777300] hardirqs last  enabled at (245122153): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.777444] RAX: 0000000000000000 RBX: ffff888126b316e0 RCX: 0000000000000000
<4>[  793.777445] RDX: 0000000000000000 RSI: 0000000003d162dc RDI: 0000000000000000
<4>[  793.777447] RBP: ffffc90001a27378 R08: 00000000002f8adb R09: 0000000000000001
<4>[  793.777448] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c925
<4>[  793.777450] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8adb003
<4>[  793.777451] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.777453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.777455] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.777456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.777458] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.777459] Call Trace:
<4>[  793.777460]  <TASK>
<4>[  793.777462]  ? show_regs+0x6c/0x80
<4>[  793.777465]  ? __warn+0x93/0x1c0
<4>[  793.777468]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.777471]  ? report_bug+0x182/0x1b0
<4>[  793.777475]  ? handle_bug+0x6e/0xb0
<4>[  793.777477]  ? exc_invalid_op+0x18/0x80
<4>[  793.777480]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.777486]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.777489]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.777491]  ? mark_held_locks+0x46/0x90
<4>[  793.777499]  __iommu_map+0x119/0x2c0
<4>[  793.777505]  iommu_map_sg+0xbf/0x210
<4>[  793.777510]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.777516]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.779749]  ? irqentry_exit+0x77/0xb0
<4>[  793.779770] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.779934] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.779936] RAX: 0000000000000000 RBX: ffff888126b316e8 RCX: 0000000000000000
<4>[  793.779938] RDX: 0000000000000000 RSI: 0000000003d162dd RDI: 0000000000000000
<4>[  793.779939] RBP: ffffc90001a27378 R08: 00000000002f8adc R09: 0000000000000001
<4>[  793.779941] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c924
<4>[  793.779942] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8adc003
<4>[  793.779944] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.779946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.779947] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.779949] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.779950] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.779952] Call Trace:
<4>[  793.779953]  <TASK>
<4>[  793.779955]  ? show_regs+0x6c/0x80
<4>[  793.779958]  ? __warn+0x93/0x1c0
<4>[  793.779961]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.779964]  ? report_bug+0x182/0x1b0
<4>[  793.779968]  ? handle_bug+0x6e/0xb0
<4>[  793.779970]  ? exc_invalid_op+0x18/0x80
<4>[  793.779973]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.779979]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.779982]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.779984]  ? mark_held_locks+0x46/0x90
<4>[  793.779992]  __iommu_map+0x119/0x2c0
<4>[  793.779998]  iommu_map_sg+0xbf/0x210
<4>[  793.780003]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.780010]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.782251]  ? clear_bhb_loop+0x15/0x70
<4>[  793.782284] hardirqs last disabled at (245124544): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.782426] RAX: 0000000000000000 RBX: ffff888126b316f0 RCX: 0000000000000000
<4>[  793.782428] RDX: 0000000000000000 RSI: 0000000003d162de RDI: 0000000000000000
<4>[  793.782429] RBP: ffffc90001a27378 R08: 00000000002f8add R09: 0000000000000001
<4>[  793.782431] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c923
<4>[  793.782432] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8add003
<4>[  793.782434] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.782436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.782437] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.782439] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.782440] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.782442] Call Trace:
<4>[  793.782443]  <TASK>
<4>[  793.782445]  ? show_regs+0x6c/0x80
<4>[  793.782448]  ? __warn+0x93/0x1c0
<4>[  793.782451]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.782454]  ? report_bug+0x182/0x1b0
<4>[  793.782458]  ? handle_bug+0x6e/0xb0
<4>[  793.782460]  ? exc_invalid_op+0x18/0x80
<4>[  793.782462]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.782469]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.782471]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.782474]  ? mark_held_locks+0x46/0x90
<4>[  793.782482]  __iommu_map+0x119/0x2c0
<4>[  793.782488]  iommu_map_sg+0xbf/0x210
<4>[  793.782493]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.782500]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.784712]  __x64_sys_ioctl+0xa4/0xe0
<4>[  793.784753] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.784917] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.784919] RAX: 0000000000000000 RBX: ffff888126b316f8 RCX: 0000000000000000
<4>[  793.784921] RDX: 0000000000000000 RSI: 0000000003d162df RDI: 0000000000000000
<4>[  793.784922] RBP: ffffc90001a27378 R08: 00000000002f8ade R09: 0000000000000001
<4>[  793.784924] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c922
<4>[  793.784925] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ade003
<4>[  793.784927] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.784929] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.784930] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.784932] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.784933] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.784935] Call Trace:
<4>[  793.784936]  <TASK>
<4>[  793.784938]  ? show_regs+0x6c/0x80
<4>[  793.784941]  ? __warn+0x93/0x1c0
<4>[  793.784944]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.784947]  ? report_bug+0x182/0x1b0
<4>[  793.784951]  ? handle_bug+0x6e/0xb0
<4>[  793.784954]  ? exc_invalid_op+0x18/0x80
<4>[  793.784956]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.784962]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.784965]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.784968]  ? mark_held_locks+0x46/0x90
<4>[  793.784975]  __iommu_map+0x119/0x2c0
<4>[  793.784982]  iommu_map_sg+0xbf/0x210
<4>[  793.784987]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.784993]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.787233]  ? clear_bhb_loop+0x15/0x70
<4>[  793.787265] hardirqs last disabled at (245126914): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.787406] RAX: 0000000000000000 RBX: ffff888126b31700 RCX: 0000000000000000
<4>[  793.787407] RDX: 0000000000000000 RSI: 0000000003d162e0 RDI: 0000000000000000
<4>[  793.787409] RBP: ffffc90001a27378 R08: 00000000002f8adf R09: 0000000000000001
<4>[  793.787410] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c921
<4>[  793.787412] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8adf003
<4>[  793.787413] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.787415] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.787416] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.787418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.787420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.787421] Call Trace:
<4>[  793.787422]  <TASK>
<4>[  793.787424]  ? show_regs+0x6c/0x80
<4>[  793.787427]  ? __warn+0x93/0x1c0
<4>[  793.787430]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.787433]  ? report_bug+0x182/0x1b0
<4>[  793.787437]  ? handle_bug+0x6e/0xb0
<4>[  793.787439]  ? exc_invalid_op+0x18/0x80
<4>[  793.787442]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.787448]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.787451]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.787453]  ? mark_held_locks+0x46/0x90
<4>[  793.787461]  __iommu_map+0x119/0x2c0
<4>[  793.787467]  iommu_map_sg+0xbf/0x210
<4>[  793.787472]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.787479]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.789713]  ? clear_bhb_loop+0x15/0x70
<4>[  793.789730] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.789890] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.789893] RAX: 0000000000000000 RBX: ffff888126b31708 RCX: 0000000000000000
<4>[  793.789894] RDX: 0000000000000000 RSI: 0000000003d162e1 RDI: 0000000000000000
<4>[  793.789896] RBP: ffffc90001a27378 R08: 00000000002f8ae0 R09: 0000000000000001
<4>[  793.789898] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c920
<4>[  793.789899] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ae0003
<4>[  793.789901] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.789903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.789904] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.789906] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.789907] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.789909] Call Trace:
<4>[  793.789910]  <TASK>
<4>[  793.789912]  ? show_regs+0x6c/0x80
<4>[  793.789915]  ? __warn+0x93/0x1c0
<4>[  793.789918]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.789921]  ? report_bug+0x182/0x1b0
<4>[  793.789925]  ? handle_bug+0x6e/0xb0
<4>[  793.789927]  ? exc_invalid_op+0x18/0x80
<4>[  793.789929]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.789936]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.789938]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.789941]  ? mark_held_locks+0x46/0x90
<4>[  793.789948]  __iommu_map+0x119/0x2c0
<4>[  793.789955]  iommu_map_sg+0xbf/0x210
<4>[  793.789960]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.789974]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.792216] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.792371] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.792374] RAX: 0000000000000000 RBX: ffff888126b31710 RCX: 0000000000000000
<4>[  793.792375] RDX: 0000000000000000 RSI: 0000000003d162e2 RDI: 0000000000000000
<4>[  793.792376] RBP: ffffc90001a27378 R08: 00000000002f8ae1 R09: 0000000000000001
<4>[  793.792378] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c91f
<4>[  793.792379] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ae1003
<4>[  793.792381] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.792383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.792384] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.792386] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.792388] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.792389] Call Trace:
<4>[  793.792390]  <TASK>
<4>[  793.792392]  ? show_regs+0x6c/0x80
<4>[  793.792395]  ? __warn+0x93/0x1c0
<4>[  793.792398]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.792401]  ? report_bug+0x182/0x1b0
<4>[  793.792405]  ? handle_bug+0x6e/0xb0
<4>[  793.792407]  ? exc_invalid_op+0x18/0x80
<4>[  793.792410]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.792416]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.792419]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.792421]  ? mark_held_locks+0x46/0x90
<4>[  793.792429]  __iommu_map+0x119/0x2c0
<4>[  793.792435]  iommu_map_sg+0xbf/0x210
<4>[  793.792440]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.792446]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.794673]  ? clear_bhb_loop+0x15/0x70
<4>[  793.794693] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.794851] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.794855] RDX: 0000000000000000 RSI: 0000000003d162e3 RDI: 0000000000000000
<4>[  793.794856] RBP: ffffc90001a27378 R08: 00000000002f8ae2 R09: 0000000000000001
<4>[  793.794858] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c91e
<4>[  793.794859] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ae2003
<4>[  793.794861] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.794863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.794864] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.794866] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.794868] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.794869] Call Trace:
<4>[  793.794870]  <TASK>
<4>[  793.794872]  ? show_regs+0x6c/0x80
<4>[  793.794875]  ? __warn+0x93/0x1c0
<4>[  793.794879]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.794882]  ? report_bug+0x182/0x1b0
<4>[  793.794886]  ? handle_bug+0x6e/0xb0
<4>[  793.794888]  ? exc_invalid_op+0x18/0x80
<4>[  793.794891]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.794897]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.794900]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.794902]  ? mark_held_locks+0x46/0x90
<4>[  793.794910]  __iommu_map+0x119/0x2c0
<4>[  793.794916]  iommu_map_sg+0xbf/0x210
<4>[  793.794921]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.794928]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.794932]  dma_map_sgtable+0x1d/0x40
<4>[  793.795556]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  793.797180] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.797331] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.797335] RDX: 0000000000000000 RSI: 0000000003d162e4 RDI: 0000000000000000
<4>[  793.797336] RBP: ffffc90001a27378 R08: 00000000002f8ae3 R09: 0000000000000001
<4>[  793.797338] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c91d
<4>[  793.797339] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ae3003
<4>[  793.797341] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.797343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.797344] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.797346] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.797347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.797349] Call Trace:
<4>[  793.797350]  <TASK>
<4>[  793.797352]  ? show_regs+0x6c/0x80
<4>[  793.797355]  ? __warn+0x93/0x1c0
<4>[  793.797358]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.797361]  ? report_bug+0x182/0x1b0
<4>[  793.797365]  ? handle_bug+0x6e/0xb0
<4>[  793.797367]  ? exc_invalid_op+0x18/0x80
<4>[  793.797369]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.797376]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.797378]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.797381]  ? mark_held_locks+0x46/0x90
<4>[  793.797388]  __iommu_map+0x119/0x2c0
<4>[  793.797394]  iommu_map_sg+0xbf/0x210
<4>[  793.797399]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.797406]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.797410]  dma_map_sgtable+0x1d/0x40
<4>[  793.797885]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  793.799652] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.799813] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.799818] RDX: 0000000000000000 RSI: 0000000003d162e5 RDI: 0000000000000000
<4>[  793.799820] RBP: ffffc90001a27378 R08: 00000000002f8ae4 R09: 0000000000000001
<4>[  793.799821] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c91c
<4>[  793.799822] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ae4003
<4>[  793.799824] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.799826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.799827] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.799829] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.799830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.799832] Call Trace:
<4>[  793.799833]  <TASK>
<4>[  793.799835]  ? show_regs+0x6c/0x80
<4>[  793.799838]  ? __warn+0x93/0x1c0
<4>[  793.799841]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.799844]  ? report_bug+0x182/0x1b0
<4>[  793.799848]  ? handle_bug+0x6e/0xb0
<4>[  793.799850]  ? exc_invalid_op+0x18/0x80
<4>[  793.799852]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.799859]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.799861]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.799864]  ? mark_held_locks+0x46/0x90
<4>[  793.799883]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.802123]  ? clear_bhb_loop+0x15/0x70
<4>[  793.802150]  </TASK>
<4>[  793.802157] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.802295] RAX: 0000000000000000 RBX: ffff888126b31730 RCX: 0000000000000000
<4>[  793.802297] RDX: 0000000000000000 RSI: 0000000003d162e6 RDI: 0000000000000000
<4>[  793.802298] RBP: ffffc90001a27378 R08: 00000000002f8ae5 R09: 0000000000000001
<4>[  793.802300] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c91b
<4>[  793.802301] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ae5003
<4>[  793.802303] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.802305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.802306] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.802308] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.802309] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.802311] Call Trace:
<4>[  793.802312]  <TASK>
<4>[  793.802314]  ? show_regs+0x6c/0x80
<4>[  793.802317]  ? __warn+0x93/0x1c0
<4>[  793.802320]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.802323]  ? report_bug+0x182/0x1b0
<4>[  793.802327]  ? handle_bug+0x6e/0xb0
<4>[  793.802329]  ? exc_invalid_op+0x18/0x80
<4>[  793.802331]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.802338]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.802340]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.802343]  ? mark_held_locks+0x46/0x90
<4>[  793.802350]  __iommu_map+0x119/0x2c0
<4>[  793.802357]  iommu_map_sg+0xbf/0x210
<4>[  793.802362]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.802685]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.804623] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.804777] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  793.804783] RAX: 0000000000000000 RBX: ffff888126b31738 RCX: 0000000000000000
<4>[  793.804785] RDX: 0000000000000000 RSI: 0000000003d162e7 RDI: 0000000000000000
<4>[  793.804786] RBP: ffffc90001a27378 R08: 00000000002f8ae6 R09: 0000000000000001
<4>[  793.804788] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c91a
<4>[  793.804789] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ae6003
<4>[  793.804791] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.804793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.804794] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.804796] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.804797] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.804799] Call Trace:
<4>[  793.804800]  <TASK>
<4>[  793.804802]  ? show_regs+0x6c/0x80
<4>[  793.804810]  ? __warn+0x93/0x1c0
<4>[  793.804814]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.804817]  ? report_bug+0x182/0x1b0
<4>[  793.804821]  ? handle_bug+0x6e/0xb0
<4>[  793.804823]  ? exc_invalid_op+0x18/0x80
<4>[  793.804825]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.804832]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.804834]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.804837]  ? mark_held_locks+0x46/0x90
<4>[  793.804844]  __iommu_map+0x119/0x2c0
<4>[  793.804850]  iommu_map_sg+0xbf/0x210
<4>[  793.804855]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.804862]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.807106]  ? clear_bhb_loop+0x15/0x70
<4>[  793.807133]  </TASK>
<4>[  793.807140] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.807280] RAX: 0000000000000000 RBX: ffff888126b31740 RCX: 0000000000000000
<4>[  793.807281] RDX: 0000000000000000 RSI: 0000000003d162e8 RDI: 0000000000000000
<4>[  793.807283] RBP: ffffc90001a27378 R08: 00000000002f8ae7 R09: 0000000000000001
<4>[  793.807284] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c919
<4>[  793.807286] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ae7003
<4>[  793.807287] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.807289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.807291] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.807292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.807294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.807295] Call Trace:
<4>[  793.807297]  <TASK>
<4>[  793.807298]  ? show_regs+0x6c/0x80
<4>[  793.807301]  ? __warn+0x93/0x1c0
<4>[  793.807305]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.807308]  ? report_bug+0x182/0x1b0
<4>[  793.807311]  ? handle_bug+0x6e/0xb0
<4>[  793.807314]  ? exc_invalid_op+0x18/0x80
<4>[  793.807316]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.807323]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.807325]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.807328]  ? mark_held_locks+0x46/0x90
<4>[  793.807335]  __iommu_map+0x119/0x2c0
<4>[  793.807341]  iommu_map_sg+0xbf/0x210
<4>[  793.807346]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.807668]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.809598] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.809764] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.809766] RAX: 0000000000000000 RBX: ffff888126b31748 RCX: 0000000000000000
<4>[  793.809768] RDX: 0000000000000000 RSI: 0000000003d162e9 RDI: 0000000000000000
<4>[  793.809769] RBP: ffffc90001a27378 R08: 00000000002f8ae8 R09: 0000000000000001
<4>[  793.809771] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c918
<4>[  793.809772] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ae8003
<4>[  793.809774] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.809776] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.809777] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.809779] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.809780] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.809782] Call Trace:
<4>[  793.809783]  <TASK>
<4>[  793.809785]  ? show_regs+0x6c/0x80
<4>[  793.809788]  ? __warn+0x93/0x1c0
<4>[  793.809791]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.809794]  ? report_bug+0x182/0x1b0
<4>[  793.809798]  ? handle_bug+0x6e/0xb0
<4>[  793.809800]  ? exc_invalid_op+0x18/0x80
<4>[  793.809803]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.809815]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.809817]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.809820]  ? mark_held_locks+0x46/0x90
<4>[  793.809827]  __iommu_map+0x119/0x2c0
<4>[  793.809834]  iommu_map_sg+0xbf/0x210
<4>[  793.809839]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.809850]  dma_map_sgtable+0x1d/0x40
<4>[  793.812110]  ? clear_bhb_loop+0x15/0x70
<4>[  793.812137]  </TASK>
<4>[  793.812144] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.812284] RAX: 0000000000000000 RBX: ffff888126b31750 RCX: 0000000000000000
<4>[  793.812285] RDX: 0000000000000000 RSI: 0000000003d162ea RDI: 0000000000000000
<4>[  793.812287] RBP: ffffc90001a27378 R08: 00000000002f8ae9 R09: 0000000000000001
<4>[  793.812288] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c917
<4>[  793.812290] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ae9003
<4>[  793.812291] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.812293] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.812295] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.812296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.812298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.812299] Call Trace:
<4>[  793.812301]  <TASK>
<4>[  793.812302]  ? show_regs+0x6c/0x80
<4>[  793.812305]  ? __warn+0x93/0x1c0
<4>[  793.812308]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.812311]  ? report_bug+0x182/0x1b0
<4>[  793.812315]  ? handle_bug+0x6e/0xb0
<4>[  793.812317]  ? exc_invalid_op+0x18/0x80
<4>[  793.812320]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.812326]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.812329]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.812331]  ? mark_held_locks+0x46/0x90
<4>[  793.812339]  __iommu_map+0x119/0x2c0
<4>[  793.812345]  iommu_map_sg+0xbf/0x210
<4>[  793.812350]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.812361]  dma_map_sgtable+0x1d/0x40
<4>[  793.814579]  ? clear_bhb_loop+0x15/0x70
<4>[  793.814606]  </TASK>
<4>[  793.814613] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.814752] RAX: 0000000000000000 RBX: ffff888126b31758 RCX: 0000000000000000
<4>[  793.814754] RDX: 0000000000000000 RSI: 0000000003d162eb RDI: 0000000000000000
<4>[  793.814755] RBP: ffffc90001a27378 R08: 00000000002f8aea R09: 0000000000000001
<4>[  793.814757] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c916
<4>[  793.814758] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aea003
<4>[  793.814760] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.814761] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.814763] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.814765] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.814766] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.814768] Call Trace:
<4>[  793.814769]  <TASK>
<4>[  793.814770]  ? show_regs+0x6c/0x80
<4>[  793.814774]  ? __warn+0x93/0x1c0
<4>[  793.814777]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.814780]  ? report_bug+0x182/0x1b0
<4>[  793.814784]  ? handle_bug+0x6e/0xb0
<4>[  793.814786]  ? exc_invalid_op+0x18/0x80
<4>[  793.814788]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.814794]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.814797]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.814800]  ? mark_held_locks+0x46/0x90
<4>[  793.814813]  __iommu_map+0x119/0x2c0
<4>[  793.814819]  iommu_map_sg+0xbf/0x210
<4>[  793.814824]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.814831]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.817087]  ? clear_bhb_loop+0x15/0x70
<4>[  793.817119] hardirqs last disabled at (245141134): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.817262] RAX: 0000000000000000 RBX: ffff888126b31760 RCX: 0000000000000000
<4>[  793.817263] RDX: 0000000000000000 RSI: 0000000003d162ec RDI: 0000000000000000
<4>[  793.817264] RBP: ffffc90001a27378 R08: 00000000002f8aeb R09: 0000000000000001
<4>[  793.817266] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c915
<4>[  793.817267] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aeb003
<4>[  793.817269] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.817271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.817272] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.817274] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.817275] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.817277] Call Trace:
<4>[  793.817278]  <TASK>
<4>[  793.817280]  ? show_regs+0x6c/0x80
<4>[  793.817283]  ? __warn+0x93/0x1c0
<4>[  793.817286]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.817289]  ? report_bug+0x182/0x1b0
<4>[  793.817293]  ? handle_bug+0x6e/0xb0
<4>[  793.817295]  ? exc_invalid_op+0x18/0x80
<4>[  793.817298]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.817304]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.817307]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.817309]  ? mark_held_locks+0x46/0x90
<4>[  793.817317]  __iommu_map+0x119/0x2c0
<4>[  793.817323]  iommu_map_sg+0xbf/0x210
<4>[  793.817328]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.817335]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.819601]  do_syscall_64+0x91/0x180
<4>[  793.819636] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.819792] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.819794] RAX: 0000000000000000 RBX: ffff888126b31768 RCX: 0000000000000000
<4>[  793.819796] RDX: 0000000000000000 RSI: 0000000003d162ed RDI: 0000000000000000
<4>[  793.819797] RBP: ffffc90001a27378 R08: 00000000002f8aec R09: 0000000000000001
<4>[  793.819799] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c914
<4>[  793.819800] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aec003
<4>[  793.819802] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.819803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.819810] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.819811] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.819813] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.819814] Call Trace:
<4>[  793.819816]  <TASK>
<4>[  793.819817]  ? show_regs+0x6c/0x80
<4>[  793.819821]  ? __warn+0x93/0x1c0
<4>[  793.819824]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.819827]  ? report_bug+0x182/0x1b0
<4>[  793.819831]  ? handle_bug+0x6e/0xb0
<4>[  793.819833]  ? exc_invalid_op+0x18/0x80
<4>[  793.819835]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.819842]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.819844]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.819847]  ? mark_held_locks+0x46/0x90
<4>[  793.819854]  __iommu_map+0x119/0x2c0
<4>[  793.819861]  iommu_map_sg+0xbf/0x210
<4>[  793.819866]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.820190]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.822118] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.822273] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.822278] RDX: 0000000000000000 RSI: 0000000003d162ee RDI: 0000000000000000
<4>[  793.822280] RBP: ffffc90001a27378 R08: 00000000002f8aed R09: 0000000000000001
<4>[  793.822281] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c913
<4>[  793.822283] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aed003
<4>[  793.822284] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.822286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.822288] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.822289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.822291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.822292] Call Trace:
<4>[  793.822293]  <TASK>
<4>[  793.822295]  ? show_regs+0x6c/0x80
<4>[  793.822298]  ? __warn+0x93/0x1c0
<4>[  793.822301]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.822304]  ? report_bug+0x182/0x1b0
<4>[  793.822308]  ? handle_bug+0x6e/0xb0
<4>[  793.822310]  ? exc_invalid_op+0x18/0x80
<4>[  793.822312]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.822319]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.822321]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.822324]  ? mark_held_locks+0x46/0x90
<4>[  793.822343]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.824554]  ? clear_bhb_loop+0x15/0x70
<4>[  793.824580]  </TASK>
<4>[  793.824587] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.824723] RAX: 0000000000000000 RBX: ffff888126b31778 RCX: 0000000000000000
<4>[  793.824725] RDX: 0000000000000000 RSI: 0000000003d162ef RDI: 0000000000000000
<4>[  793.824726] RBP: ffffc90001a27378 R08: 00000000002f8aee R09: 0000000000000001
<4>[  793.824728] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c912
<4>[  793.824729] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aee003
<4>[  793.824731] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.824733] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.824734] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.824736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.824737] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.824739] Call Trace:
<4>[  793.824740]  <TASK>
<4>[  793.824741]  ? show_regs+0x6c/0x80
<4>[  793.824744]  ? __warn+0x93/0x1c0
<4>[  793.824747]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.824750]  ? report_bug+0x182/0x1b0
<4>[  793.824754]  ? handle_bug+0x6e/0xb0
<4>[  793.824757]  ? exc_invalid_op+0x18/0x80
<4>[  793.824759]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.824765]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.824768]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.824770]  ? mark_held_locks+0x46/0x90
<4>[  793.824778]  __iommu_map+0x119/0x2c0
<4>[  793.824784]  iommu_map_sg+0xbf/0x210
<4>[  793.824789]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.825269]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  793.827026] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.827183] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.827188] RDX: 0000000000000000 RSI: 0000000003d162f0 RDI: 0000000000000000
<4>[  793.827190] RBP: ffffc90001a27378 R08: 00000000002f8aef R09: 0000000000000001
<4>[  793.827191] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c911
<4>[  793.827193] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aef003
<4>[  793.827194] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.827196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.827197] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.827199] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.827200] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.827202] Call Trace:
<4>[  793.827203]  <TASK>
<4>[  793.827205]  ? show_regs+0x6c/0x80
<4>[  793.827208]  ? __warn+0x93/0x1c0
<4>[  793.827211]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.827214]  ? report_bug+0x182/0x1b0
<4>[  793.827218]  ? handle_bug+0x6e/0xb0
<4>[  793.827220]  ? exc_invalid_op+0x18/0x80
<4>[  793.827222]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.827229]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.827231]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.827234]  ? mark_held_locks+0x46/0x90
<4>[  793.827253]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.829491]  ? clear_bhb_loop+0x15/0x70
<4>[  793.829517]  </TASK>
<4>[  793.829525] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.829664] RAX: 0000000000000000 RBX: ffff888126b31788 RCX: 0000000000000000
<4>[  793.829666] RDX: 0000000000000000 RSI: 0000000003d162f1 RDI: 0000000000000000
<4>[  793.829667] RBP: ffffc90001a27378 R08: 00000000002f8af0 R09: 0000000000000001
<4>[  793.829669] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c910
<4>[  793.829670] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8af0003
<4>[  793.829672] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.829673] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.829675] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.829677] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.829678] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.829679] Call Trace:
<4>[  793.829681]  <TASK>
<4>[  793.829682]  ? show_regs+0x6c/0x80
<4>[  793.829685]  ? __warn+0x93/0x1c0
<4>[  793.829689]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.829692]  ? report_bug+0x182/0x1b0
<4>[  793.829695]  ? handle_bug+0x6e/0xb0
<4>[  793.829697]  ? exc_invalid_op+0x18/0x80
<4>[  793.829700]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.829706]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.829709]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.829711]  ? mark_held_locks+0x46/0x90
<4>[  793.829719]  __iommu_map+0x119/0x2c0
<4>[  793.829725]  iommu_map_sg+0xbf/0x210
<4>[  793.829730]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.829737]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.831975]  ? clear_bhb_loop+0x15/0x70
<4>[  793.832005] hardirqs last  enabled at (245148239): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.832149] RAX: 0000000000000000 RBX: ffff888126b31790 RCX: 0000000000000000
<4>[  793.832151] RDX: 0000000000000000 RSI: 0000000003d162f2 RDI: 0000000000000000
<4>[  793.832152] RBP: ffffc90001a27378 R08: 00000000002f8af1 R09: 0000000000000001
<4>[  793.832154] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c90f
<4>[  793.832155] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8af1003
<4>[  793.832157] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.832158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.832160] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.832162] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.832163] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.832164] Call Trace:
<4>[  793.832166]  <TASK>
<4>[  793.832167]  ? show_regs+0x6c/0x80
<4>[  793.832170]  ? __warn+0x93/0x1c0
<4>[  793.832174]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.832177]  ? report_bug+0x182/0x1b0
<4>[  793.832180]  ? handle_bug+0x6e/0xb0
<4>[  793.832183]  ? exc_invalid_op+0x18/0x80
<4>[  793.832185]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.832191]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.832194]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.832197]  ? mark_held_locks+0x46/0x90
<4>[  793.832204]  __iommu_map+0x119/0x2c0
<4>[  793.832210]  iommu_map_sg+0xbf/0x210
<4>[  793.832215]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.832222]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.834444]  ? clear_bhb_loop+0x15/0x70
<4>[  793.834464] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.834614] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.834618] RDX: 0000000000000000 RSI: 0000000003d162f3 RDI: 0000000000000000
<4>[  793.834620] RBP: ffffc90001a27378 R08: 00000000002f8af2 R09: 0000000000000001
<4>[  793.834621] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c90e
<4>[  793.834623] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8af2003
<4>[  793.834624] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.834626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.834628] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.834629] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.834631] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.834632] Call Trace:
<4>[  793.834633]  <TASK>
<4>[  793.834635]  ? show_regs+0x6c/0x80
<4>[  793.834638]  ? __warn+0x93/0x1c0
<4>[  793.834641]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.834644]  ? report_bug+0x182/0x1b0
<4>[  793.834648]  ? handle_bug+0x6e/0xb0
<4>[  793.834650]  ? exc_invalid_op+0x18/0x80
<4>[  793.834652]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.834659]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.834661]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.834664]  ? mark_held_locks+0x46/0x90
<4>[  793.834671]  __iommu_map+0x119/0x2c0
<4>[  793.834678]  iommu_map_sg+0xbf/0x210
<4>[  793.834683]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.834689]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.834693]  dma_map_sgtable+0x1d/0x40
<4>[  793.835164]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  793.836935] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.837091] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.837097] RDX: 0000000000000000 RSI: 0000000003d162f4 RDI: 0000000000000000
<4>[  793.837098] RBP: ffffc90001a27378 R08: 00000000002f8af3 R09: 0000000000000001
<4>[  793.837100] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c90d
<4>[  793.837101] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8af3003
<4>[  793.837103] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.837104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.837106] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.837108] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.837109] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.837111] Call Trace:
<4>[  793.837112]  <TASK>
<4>[  793.837113]  ? show_regs+0x6c/0x80
<4>[  793.837117]  ? __warn+0x93/0x1c0
<4>[  793.837120]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.837123]  ? report_bug+0x182/0x1b0
<4>[  793.837126]  ? handle_bug+0x6e/0xb0
<4>[  793.837129]  ? exc_invalid_op+0x18/0x80
<4>[  793.837131]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.837137]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.837140]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.837143]  ? mark_held_locks+0x46/0x90
<4>[  793.837331]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  793.839408] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.839563] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.839568] RDX: 0000000000000000 RSI: 0000000003d162f5 RDI: 0000000000000000
<4>[  793.839570] RBP: ffffc90001a27378 R08: 00000000002f8af4 R09: 0000000000000001
<4>[  793.839571] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c90c
<4>[  793.839572] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8af4003
<4>[  793.839574] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.839576] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.839577] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.839579] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.839580] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.839582] Call Trace:
<4>[  793.839583]  <TASK>
<4>[  793.839585]  ? show_regs+0x6c/0x80
<4>[  793.839588]  ? __warn+0x93/0x1c0
<4>[  793.839591]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.839594]  ? report_bug+0x182/0x1b0
<4>[  793.839598]  ? handle_bug+0x6e/0xb0
<4>[  793.839600]  ? exc_invalid_op+0x18/0x80
<4>[  793.839603]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.839609]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.839612]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.839614]  ? mark_held_locks+0x46/0x90
<4>[  793.839628]  iommu_map_sg+0xbf/0x210
<4>[  793.841862]  ? clear_bhb_loop+0x15/0x70
<4>[  793.841882] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.842033] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.842036] RDX: 0000000000000000 RSI: 0000000003d162f6 RDI: 0000000000000000
<4>[  793.842038] RBP: ffffc90001a27378 R08: 00000000002f8af5 R09: 0000000000000001
<4>[  793.842039] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c90b
<4>[  793.842041] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8af5003
<4>[  793.842043] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.842044] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.842046] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.842048] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.842049] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.842050] Call Trace:
<4>[  793.842052]  <TASK>
<4>[  793.842053]  ? show_regs+0x6c/0x80
<4>[  793.842056]  ? __warn+0x93/0x1c0
<4>[  793.842059]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.842062]  ? report_bug+0x182/0x1b0
<4>[  793.842066]  ? handle_bug+0x6e/0xb0
<4>[  793.842068]  ? exc_invalid_op+0x18/0x80
<4>[  793.842071]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.842077]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.842080]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.842083]  ? mark_held_locks+0x46/0x90
<4>[  793.842090]  __iommu_map+0x119/0x2c0
<4>[  793.842097]  iommu_map_sg+0xbf/0x210
<4>[  793.842102]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.842108]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.842112]  dma_map_sgtable+0x1d/0x40
<4>[  793.842115]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.844351] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.844507] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.844510] RAX: 0000000000000000 RBX: ffff888126b317b8 RCX: 0000000000000000
<4>[  793.844511] RDX: 0000000000000000 RSI: 0000000003d162f7 RDI: 0000000000000000
<4>[  793.844513] RBP: ffffc90001a27378 R08: 00000000002f8af6 R09: 0000000000000001
<4>[  793.844514] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c90a
<4>[  793.844515] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8af6003
<4>[  793.844517] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.844519] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.844520] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.844522] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.844523] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.844525] Call Trace:
<4>[  793.844526]  <TASK>
<4>[  793.844528]  ? show_regs+0x6c/0x80
<4>[  793.844531]  ? __warn+0x93/0x1c0
<4>[  793.844534]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.844537]  ? report_bug+0x182/0x1b0
<4>[  793.844541]  ? handle_bug+0x6e/0xb0
<4>[  793.844543]  ? exc_invalid_op+0x18/0x80
<4>[  793.844545]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.844552]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.844554]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.844557]  ? mark_held_locks+0x46/0x90
<4>[  793.844564]  __iommu_map+0x119/0x2c0
<4>[  793.844571]  iommu_map_sg+0xbf/0x210
<4>[  793.844576]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.844586]  dma_map_sgtable+0x1d/0x40
<4>[  793.846822]  ? clear_bhb_loop+0x15/0x70
<4>[  793.846848]  </TASK>
<4>[  793.846857] softirqs last disabled at (245124287): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.846994] RAX: 0000000000000000 RBX: ffff888126b317c0 RCX: 0000000000000000
<4>[  793.846996] RDX: 0000000000000000 RSI: 0000000003d162f8 RDI: 0000000000000000
<4>[  793.846997] RBP: ffffc90001a27378 R08: 00000000002f8af7 R09: 0000000000000001
<4>[  793.846999] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c909
<4>[  793.847000] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8af7003
<4>[  793.847002] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.847003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.847005] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.847007] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.847008] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.847009] Call Trace:
<4>[  793.847011]  <TASK>
<4>[  793.847012]  ? show_regs+0x6c/0x80
<4>[  793.847015]  ? __warn+0x93/0x1c0
<4>[  793.847019]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.847022]  ? report_bug+0x182/0x1b0
<4>[  793.847025]  ? handle_bug+0x6e/0xb0
<4>[  793.847028]  ? exc_invalid_op+0x18/0x80
<4>[  793.847030]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.847036]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.847039]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.847041]  ? mark_held_locks+0x46/0x90
<4>[  793.847049]  __iommu_map+0x119/0x2c0
<4>[  793.847055]  iommu_map_sg+0xbf/0x210
<4>[  793.847060]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.847067]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.849301]  ? clear_bhb_loop+0x15/0x70
<4>[  793.849331] hardirqs last  enabled at (245156533): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.849474] RAX: 0000000000000000 RBX: ffff888126b317c8 RCX: 0000000000000000
<4>[  793.849476] RDX: 0000000000000000 RSI: 0000000003d162f9 RDI: 0000000000000000
<4>[  793.849477] RBP: ffffc90001a27378 R08: 00000000002f8af8 R09: 0000000000000001
<4>[  793.849479] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c908
<4>[  793.849480] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8af8003
<4>[  793.849482] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.849484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.849485] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.849487] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.849488] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.849490] Call Trace:
<4>[  793.849491]  <TASK>
<4>[  793.849493]  ? show_regs+0x6c/0x80
<4>[  793.849496]  ? __warn+0x93/0x1c0
<4>[  793.849499]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.849502]  ? report_bug+0x182/0x1b0
<4>[  793.849506]  ? handle_bug+0x6e/0xb0
<4>[  793.849508]  ? exc_invalid_op+0x18/0x80
<4>[  793.849511]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.849517]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.849520]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.849522]  ? mark_held_locks+0x46/0x90
<4>[  793.849529]  __iommu_map+0x119/0x2c0
<4>[  793.849536]  iommu_map_sg+0xbf/0x210
<4>[  793.849541]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.849547]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.851791]  ? clear_bhb_loop+0x15/0x70
<4>[  793.851815] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  793.851971] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.851974] RDX: 0000000000000000 RSI: 0000000003d162fa RDI: 0000000000000000
<4>[  793.851976] RBP: ffffc90001a27378 R08: 00000000002f8af9 R09: 0000000000000001
<4>[  793.851977] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c907
<4>[  793.851979] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8af9003
<4>[  793.851980] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.851982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.851984] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.851985] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.851987] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.851988] Call Trace:
<4>[  793.851990]  <TASK>
<4>[  793.851991]  ? show_regs+0x6c/0x80
<4>[  793.851995]  ? __warn+0x93/0x1c0
<4>[  793.851998]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.852001]  ? report_bug+0x182/0x1b0
<4>[  793.852005]  ? handle_bug+0x6e/0xb0
<4>[  793.852007]  ? exc_invalid_op+0x18/0x80
<4>[  793.852009]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.852016]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.852019]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.852021]  ? mark_held_locks+0x46/0x90
<4>[  793.852029]  __iommu_map+0x119/0x2c0
<4>[  793.852035]  iommu_map_sg+0xbf/0x210
<4>[  793.852040]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.852047]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.852051]  dma_map_sgtable+0x1d/0x40
<4>[  793.852054]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.854284] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.854441] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.854443] RAX: 0000000000000000 RBX: ffff888126b317d8 RCX: 0000000000000000
<4>[  793.854445] RDX: 0000000000000000 RSI: 0000000003d162fb RDI: 0000000000000000
<4>[  793.854446] RBP: ffffc90001a27378 R08: 00000000002f8afa R09: 0000000000000001
<4>[  793.854448] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c906
<4>[  793.854449] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8afa003
<4>[  793.854451] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.854452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.854454] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.854456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.854457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.854458] Call Trace:
<4>[  793.854460]  <TASK>
<4>[  793.854461]  ? show_regs+0x6c/0x80
<4>[  793.854464]  ? __warn+0x93/0x1c0
<4>[  793.854467]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.854470]  ? report_bug+0x182/0x1b0
<4>[  793.854474]  ? handle_bug+0x6e/0xb0
<4>[  793.854477]  ? exc_invalid_op+0x18/0x80
<4>[  793.854479]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.854485]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.854488]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.854491]  ? mark_held_locks+0x46/0x90
<4>[  793.854498]  __iommu_map+0x119/0x2c0
<4>[  793.854505]  iommu_map_sg+0xbf/0x210
<4>[  793.854510]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.854516]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.856740]  ? clear_bhb_loop+0x15/0x70
<4>[  793.856771] hardirqs last disabled at (245160092): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.856917] RAX: 0000000000000000 RBX: ffff888126b317e0 RCX: 0000000000000000
<4>[  793.856919] RDX: 0000000000000000 RSI: 0000000003d162fc RDI: 0000000000000000
<4>[  793.856920] RBP: ffffc90001a27378 R08: 00000000002f8afb R09: 0000000000000001
<4>[  793.856922] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c905
<4>[  793.856923] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8afb003
<4>[  793.856925] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.856927] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.856928] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.856930] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.856931] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.856933] Call Trace:
<4>[  793.856934]  <TASK>
<4>[  793.856936]  ? show_regs+0x6c/0x80
<4>[  793.856939]  ? __warn+0x93/0x1c0
<4>[  793.856942]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.856945]  ? report_bug+0x182/0x1b0
<4>[  793.856949]  ? handle_bug+0x6e/0xb0
<4>[  793.856951]  ? exc_invalid_op+0x18/0x80
<4>[  793.856954]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.856960]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.856963]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.856966]  ? mark_held_locks+0x46/0x90
<4>[  793.856973]  __iommu_map+0x119/0x2c0
<4>[  793.856980]  iommu_map_sg+0xbf/0x210
<4>[  793.856985]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.856991]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.859224]  ? clear_bhb_loop+0x15/0x70
<4>[  793.859244] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.859396] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.859400] RDX: 0000000000000000 RSI: 0000000003d162fd RDI: 0000000000000000
<4>[  793.859401] RBP: ffffc90001a27378 R08: 00000000002f8afc R09: 0000000000000001
<4>[  793.859402] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c904
<4>[  793.859404] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8afc003
<4>[  793.859406] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.859407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.859409] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.859410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.859412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.859413] Call Trace:
<4>[  793.859415]  <TASK>
<4>[  793.859416]  ? show_regs+0x6c/0x80
<4>[  793.859419]  ? __warn+0x93/0x1c0
<4>[  793.859422]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.859425]  ? report_bug+0x182/0x1b0
<4>[  793.859429]  ? handle_bug+0x6e/0xb0
<4>[  793.859431]  ? exc_invalid_op+0x18/0x80
<4>[  793.859434]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.859440]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.859443]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.859445]  ? mark_held_locks+0x46/0x90
<4>[  793.859453]  __iommu_map+0x119/0x2c0
<4>[  793.859459]  iommu_map_sg+0xbf/0x210
<4>[  793.859464]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.859471]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.859475]  dma_map_sgtable+0x1d/0x40
<4>[  793.859789]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.861728] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.861891] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.861897] RDX: 0000000000000000 RSI: 0000000003d162fe RDI: 0000000000000000
<4>[  793.861898] RBP: ffffc90001a27378 R08: 00000000002f8afd R09: 0000000000000001
<4>[  793.861900] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c903
<4>[  793.861901] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8afd003
<4>[  793.861903] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.861904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.861906] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.861907] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.861909] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.861910] Call Trace:
<4>[  793.861912]  <TASK>
<4>[  793.861913]  ? show_regs+0x6c/0x80
<4>[  793.861916]  ? __warn+0x93/0x1c0
<4>[  793.861919]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.861922]  ? report_bug+0x182/0x1b0
<4>[  793.861926]  ? handle_bug+0x6e/0xb0
<4>[  793.861929]  ? exc_invalid_op+0x18/0x80
<4>[  793.861931]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.861937]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.861940]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.861943]  ? mark_held_locks+0x46/0x90
<4>[  793.862285]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.864215] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.864374] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.864380] RDX: 0000000000000000 RSI: 0000000003d162ff RDI: 0000000000000000
<4>[  793.864381] RBP: ffffc90001a27378 R08: 00000000002f8afe R09: 0000000000000001
<4>[  793.864382] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c902
<4>[  793.864384] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8afe003
<4>[  793.864385] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.864387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.864389] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.864390] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.864392] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.864393] Call Trace:
<4>[  793.864395]  <TASK>
<4>[  793.864396]  ? show_regs+0x6c/0x80
<4>[  793.864400]  ? __warn+0x93/0x1c0
<4>[  793.864403]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.864406]  ? report_bug+0x182/0x1b0
<4>[  793.864410]  ? handle_bug+0x6e/0xb0
<4>[  793.864412]  ? exc_invalid_op+0x18/0x80
<4>[  793.864414]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.864420]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.864423]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.864426]  ? mark_held_locks+0x46/0x90
<4>[  793.864451]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.866680]  ? clear_bhb_loop+0x15/0x70
<4>[  793.866710] hardirqs last  enabled at (245164827): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.866858] RAX: 0000000000000000 RBX: ffff888126b31800 RCX: 0000000000000000
<4>[  793.866860] RDX: 0000000000000000 RSI: 0000000003d16300 RDI: 0000000000000000
<4>[  793.866861] RBP: ffffc90001a27378 R08: 00000000002f8aff R09: 0000000000000001
<4>[  793.866863] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c901
<4>[  793.866865] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8aff003
<4>[  793.866866] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.866868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.866870] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.866871] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.866873] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.866874] Call Trace:
<4>[  793.866876]  <TASK>
<4>[  793.866877]  ? show_regs+0x6c/0x80
<4>[  793.866880]  ? __warn+0x93/0x1c0
<4>[  793.866883]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.866887]  ? report_bug+0x182/0x1b0
<4>[  793.866890]  ? handle_bug+0x6e/0xb0
<4>[  793.866893]  ? exc_invalid_op+0x18/0x80
<4>[  793.866895]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.866902]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.866904]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.866907]  ? mark_held_locks+0x46/0x90
<4>[  793.866915]  __iommu_map+0x119/0x2c0
<4>[  793.866921]  iommu_map_sg+0xbf/0x210
<4>[  793.866926]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.866933]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.869168]  ? clear_bhb_loop+0x15/0x70
<4>[  793.869195]  </TASK>
<4>[  793.869202] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.869343] RAX: 0000000000000000 RBX: ffff888126b31808 RCX: 0000000000000000
<4>[  793.869345] RDX: 0000000000000000 RSI: 0000000003d16301 RDI: 0000000000000000
<4>[  793.869346] RBP: ffffc90001a27378 R08: 00000000002f8b00 R09: 0000000000000001
<4>[  793.869347] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c900
<4>[  793.869349] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b00003
<4>[  793.869351] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.869352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.869354] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.869356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.869357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.869358] Call Trace:
<4>[  793.869360]  <TASK>
<4>[  793.869361]  ? show_regs+0x6c/0x80
<4>[  793.869364]  ? __warn+0x93/0x1c0
<4>[  793.869368]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.869371]  ? report_bug+0x182/0x1b0
<4>[  793.869374]  ? handle_bug+0x6e/0xb0
<4>[  793.869377]  ? exc_invalid_op+0x18/0x80
<4>[  793.869379]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.869385]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.869388]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.869391]  ? mark_held_locks+0x46/0x90
<4>[  793.869398]  __iommu_map+0x119/0x2c0
<4>[  793.869405]  iommu_map_sg+0xbf/0x210
<4>[  793.869410]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.869416]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.871661]  ? clear_bhb_loop+0x15/0x70
<4>[  793.871689] irq event stamp: 245167191
<4>[  793.871809]  nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi acpi_tad pmt_telemetry pmt_class intel_vsec acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  793.871842] RDX: 0000000000000000 RSI: 0000000003d16302 RDI: 0000000000000000
<4>[  793.871844] RBP: ffffc90001a27378 R08: 00000000002f8b01 R09: 0000000000000001
<4>[  793.871845] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ff
<4>[  793.871847] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b01003
<4>[  793.871848] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.871850] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.871852] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.871853] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.871855] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.871856] Call Trace:
<4>[  793.871857]  <TASK>
<4>[  793.871859]  ? show_regs+0x6c/0x80
<4>[  793.871863]  ? __warn+0x93/0x1c0
<4>[  793.871866]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.871869]  ? report_bug+0x182/0x1b0
<4>[  793.871873]  ? handle_bug+0x6e/0xb0
<4>[  793.871875]  ? exc_invalid_op+0x18/0x80
<4>[  793.871877]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.871884]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.871886]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.871889]  ? mark_held_locks+0x46/0x90
<4>[  793.872238]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.874166] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.874323] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.874325] RAX: 0000000000000000 RBX: ffff888126b31818 RCX: 0000000000000000
<4>[  793.874327] RDX: 0000000000000000 RSI: 0000000003d16303 RDI: 0000000000000000
<4>[  793.874328] RBP: ffffc90001a27378 R08: 00000000002f8b02 R09: 0000000000000001
<4>[  793.874330] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8fe
<4>[  793.874331] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b02003
<4>[  793.874333] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.874334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.874336] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.874338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.874339] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.874341] Call Trace:
<4>[  793.874342]  <TASK>
<4>[  793.874344]  ? show_regs+0x6c/0x80
<4>[  793.874347]  ? __warn+0x93/0x1c0
<4>[  793.874350]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.874353]  ? report_bug+0x182/0x1b0
<4>[  793.874357]  ? handle_bug+0x6e/0xb0
<4>[  793.874359]  ? exc_invalid_op+0x18/0x80
<4>[  793.874362]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.874368]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.874371]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.874373]  ? mark_held_locks+0x46/0x90
<4>[  793.874381]  __iommu_map+0x119/0x2c0
<4>[  793.874387]  iommu_map_sg+0xbf/0x210
<4>[  793.874392]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.874713]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.876639] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.876799] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.876806] RAX: 0000000000000000 RBX: ffff888126b31820 RCX: 0000000000000000
<4>[  793.876808] RDX: 0000000000000000 RSI: 0000000003d16304 RDI: 0000000000000000
<4>[  793.876809] RBP: ffffc90001a27378 R08: 00000000002f8b03 R09: 0000000000000001
<4>[  793.876811] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8fd
<4>[  793.876812] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b03003
<4>[  793.876814] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.876816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.876817] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.876819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.876820] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.876822] Call Trace:
<4>[  793.876823]  <TASK>
<4>[  793.876824]  ? show_regs+0x6c/0x80
<4>[  793.876828]  ? __warn+0x93/0x1c0
<4>[  793.876831]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.876834]  ? report_bug+0x182/0x1b0
<4>[  793.876837]  ? handle_bug+0x6e/0xb0
<4>[  793.876840]  ? exc_invalid_op+0x18/0x80
<4>[  793.876842]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.876848]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.876851]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.876853]  ? mark_held_locks+0x46/0x90
<4>[  793.876861]  __iommu_map+0x119/0x2c0
<4>[  793.876867]  iommu_map_sg+0xbf/0x210
<4>[  793.876873]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.876883]  dma_map_sgtable+0x1d/0x40
<4>[  793.879124]  ? clear_bhb_loop+0x15/0x70
<4>[  793.879150]  </TASK>
<4>[  793.879158] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.879297] RAX: 0000000000000000 RBX: ffff888126b31828 RCX: 0000000000000000
<4>[  793.879298] RDX: 0000000000000000 RSI: 0000000003d16305 RDI: 0000000000000000
<4>[  793.879299] RBP: ffffc90001a27378 R08: 00000000002f8b04 R09: 0000000000000001
<4>[  793.879301] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8fc
<4>[  793.879302] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b04003
<4>[  793.879304] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.879306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.879307] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.879309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.879310] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.879312] Call Trace:
<4>[  793.879313]  <TASK>
<4>[  793.879315]  ? show_regs+0x6c/0x80
<4>[  793.879318]  ? __warn+0x93/0x1c0
<4>[  793.879321]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.879324]  ? report_bug+0x182/0x1b0
<4>[  793.879328]  ? handle_bug+0x6e/0xb0
<4>[  793.879330]  ? exc_invalid_op+0x18/0x80
<4>[  793.879332]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.879339]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.879341]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.879344]  ? mark_held_locks+0x46/0x90
<4>[  793.879351]  __iommu_map+0x119/0x2c0
<4>[  793.879358]  iommu_map_sg+0xbf/0x210
<4>[  793.879363]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.879684]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.881624] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.881782] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  793.881788] RAX: 0000000000000000 RBX: ffff888126b31830 RCX: 0000000000000000
<4>[  793.881790] RDX: 0000000000000000 RSI: 0000000003d16306 RDI: 0000000000000000
<4>[  793.881791] RBP: ffffc90001a27378 R08: 00000000002f8b05 R09: 0000000000000001
<4>[  793.881792] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8fb
<4>[  793.881794] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b05003
<4>[  793.881795] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.881797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.881799] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.881800] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.881808] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.881809] Call Trace:
<4>[  793.881810]  <TASK>
<4>[  793.881812]  ? show_regs+0x6c/0x80
<4>[  793.881815]  ? __warn+0x93/0x1c0
<4>[  793.881818]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.881821]  ? report_bug+0x182/0x1b0
<4>[  793.881825]  ? handle_bug+0x6e/0xb0
<4>[  793.881828]  ? exc_invalid_op+0x18/0x80
<4>[  793.881830]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.881836]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.881839]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.881841]  ? mark_held_locks+0x46/0x90
<4>[  793.881849]  __iommu_map+0x119/0x2c0
<4>[  793.881855]  iommu_map_sg+0xbf/0x210
<4>[  793.881860]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.881867]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.884108]  ? clear_bhb_loop+0x15/0x70
<4>[  793.884135]  </TASK>
<4>[  793.884142] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.884281] RAX: 0000000000000000 RBX: ffff888126b31838 RCX: 0000000000000000
<4>[  793.884283] RDX: 0000000000000000 RSI: 0000000003d16307 RDI: 0000000000000000
<4>[  793.884284] RBP: ffffc90001a27378 R08: 00000000002f8b06 R09: 0000000000000001
<4>[  793.884286] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8fa
<4>[  793.884287] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b06003
<4>[  793.884289] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.884290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.884292] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.884293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.884295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.884296] Call Trace:
<4>[  793.884298]  <TASK>
<4>[  793.884299]  ? show_regs+0x6c/0x80
<4>[  793.884302]  ? __warn+0x93/0x1c0
<4>[  793.884306]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.884309]  ? report_bug+0x182/0x1b0
<4>[  793.884312]  ? handle_bug+0x6e/0xb0
<4>[  793.884315]  ? exc_invalid_op+0x18/0x80
<4>[  793.884317]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.884323]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.884326]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.884329]  ? mark_held_locks+0x46/0x90
<4>[  793.884336]  __iommu_map+0x119/0x2c0
<4>[  793.884342]  iommu_map_sg+0xbf/0x210
<4>[  793.884347]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.884361]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.886602] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.886758] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.886761] RAX: 0000000000000000 RBX: ffff888126b31840 RCX: 0000000000000000
<4>[  793.886762] RDX: 0000000000000000 RSI: 0000000003d16308 RDI: 0000000000000000
<4>[  793.886763] RBP: ffffc90001a27378 R08: 00000000002f8b07 R09: 0000000000000001
<4>[  793.886765] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8f9
<4>[  793.886766] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b07003
<4>[  793.886768] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.886770] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.886771] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.886773] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.886774] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.886776] Call Trace:
<4>[  793.886777]  <TASK>
<4>[  793.886779]  ? show_regs+0x6c/0x80
<4>[  793.886782]  ? __warn+0x93/0x1c0
<4>[  793.886785]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.886788]  ? report_bug+0x182/0x1b0
<4>[  793.886792]  ? handle_bug+0x6e/0xb0
<4>[  793.886794]  ? exc_invalid_op+0x18/0x80
<4>[  793.886796]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.886808]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.886810]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.886813]  ? mark_held_locks+0x46/0x90
<4>[  793.886820]  __iommu_map+0x119/0x2c0
<4>[  793.886827]  iommu_map_sg+0xbf/0x210
<4>[  793.886832]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.886842]  dma_map_sgtable+0x1d/0x40
<4>[  793.889070]  ? clear_bhb_loop+0x15/0x70
<4>[  793.889096]  </TASK>
<4>[  793.889104] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.889242] RAX: 0000000000000000 RBX: ffff888126b31848 RCX: 0000000000000000
<4>[  793.889244] RDX: 0000000000000000 RSI: 0000000003d16309 RDI: 0000000000000000
<4>[  793.889245] RBP: ffffc90001a27378 R08: 00000000002f8b08 R09: 0000000000000001
<4>[  793.889247] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8f8
<4>[  793.889248] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b08003
<4>[  793.889250] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.889252] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.889253] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.889255] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.889256] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.889258] Call Trace:
<4>[  793.889259]  <TASK>
<4>[  793.889261]  ? show_regs+0x6c/0x80
<4>[  793.889264]  ? __warn+0x93/0x1c0
<4>[  793.889267]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.889270]  ? report_bug+0x182/0x1b0
<4>[  793.889274]  ? handle_bug+0x6e/0xb0
<4>[  793.889276]  ? exc_invalid_op+0x18/0x80
<4>[  793.889278]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.889285]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.889287]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.889290]  ? mark_held_locks+0x46/0x90
<4>[  793.889297]  __iommu_map+0x119/0x2c0
<4>[  793.889304]  iommu_map_sg+0xbf/0x210
<4>[  793.889309]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.889315]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.891541]  ? clear_bhb_loop+0x15/0x70
<4>[  793.891570] hardirqs last  enabled at (245176677): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.891713] RAX: 0000000000000000 RBX: ffff888126b31850 RCX: 0000000000000000
<4>[  793.891715] RDX: 0000000000000000 RSI: 0000000003d1630a RDI: 0000000000000000
<4>[  793.891716] RBP: ffffc90001a27378 R08: 00000000002f8b09 R09: 0000000000000001
<4>[  793.891718] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8f7
<4>[  793.891719] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b09003
<4>[  793.891721] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.891723] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.891724] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.891726] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.891727] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.891729] Call Trace:
<4>[  793.891730]  <TASK>
<4>[  793.891732]  ? show_regs+0x6c/0x80
<4>[  793.891735]  ? __warn+0x93/0x1c0
<4>[  793.891738]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.891741]  ? report_bug+0x182/0x1b0
<4>[  793.891745]  ? handle_bug+0x6e/0xb0
<4>[  793.891747]  ? exc_invalid_op+0x18/0x80
<4>[  793.891749]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.891756]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.891758]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.891761]  ? mark_held_locks+0x46/0x90
<4>[  793.891768]  __iommu_map+0x119/0x2c0
<4>[  793.891775]  iommu_map_sg+0xbf/0x210
<4>[  793.891780]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.891786]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.894022]  ? clear_bhb_loop+0x15/0x70
<4>[  793.894042] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.894192] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.894196] RDX: 0000000000000000 RSI: 0000000003d1630b RDI: 0000000000000000
<4>[  793.894198] RBP: ffffc90001a27378 R08: 00000000002f8b0a R09: 0000000000000001
<4>[  793.894199] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8f6
<4>[  793.894200] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b0a003
<4>[  793.894202] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.894204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.894205] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.894207] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.894208] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.894210] Call Trace:
<4>[  793.894211]  <TASK>
<4>[  793.894213]  ? show_regs+0x6c/0x80
<4>[  793.894216]  ? __warn+0x93/0x1c0
<4>[  793.894219]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.894222]  ? report_bug+0x182/0x1b0
<4>[  793.894226]  ? handle_bug+0x6e/0xb0
<4>[  793.894228]  ? exc_invalid_op+0x18/0x80
<4>[  793.894230]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.894237]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.894239]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.894242]  ? mark_held_locks+0x46/0x90
<4>[  793.894249]  __iommu_map+0x119/0x2c0
<4>[  793.894256]  iommu_map_sg+0xbf/0x210
<4>[  793.894261]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.894267]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.894271]  dma_map_sgtable+0x1d/0x40
<4>[  793.894274]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.896514] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.896670] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.896672] RAX: 0000000000000000 RBX: ffff888126b31860 RCX: 0000000000000000
<4>[  793.896674] RDX: 0000000000000000 RSI: 0000000003d1630c RDI: 0000000000000000
<4>[  793.896675] RBP: ffffc90001a27378 R08: 00000000002f8b0b R09: 0000000000000001
<4>[  793.896676] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8f5
<4>[  793.896678] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b0b003
<4>[  793.896679] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.896681] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.896683] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.896684] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.896686] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.896687] Call Trace:
<4>[  793.896689]  <TASK>
<4>[  793.896690]  ? show_regs+0x6c/0x80
<4>[  793.896693]  ? __warn+0x93/0x1c0
<4>[  793.896697]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.896699]  ? report_bug+0x182/0x1b0
<4>[  793.896703]  ? handle_bug+0x6e/0xb0
<4>[  793.896705]  ? exc_invalid_op+0x18/0x80
<4>[  793.896708]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.896714]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.896717]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.896719]  ? mark_held_locks+0x46/0x90
<4>[  793.896727]  __iommu_map+0x119/0x2c0
<4>[  793.896733]  iommu_map_sg+0xbf/0x210
<4>[  793.896738]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.897231]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  793.899003] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.899163] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.899169] RDX: 0000000000000000 RSI: 0000000003d1630d RDI: 0000000000000000
<4>[  793.899170] RBP: ffffc90001a27378 R08: 00000000002f8b0c R09: 0000000000000001
<4>[  793.899172] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8f4
<4>[  793.899173] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b0c003
<4>[  793.899175] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.899177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.899178] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.899180] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.899181] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.899183] Call Trace:
<4>[  793.899184]  <TASK>
<4>[  793.899186]  ? show_regs+0x6c/0x80
<4>[  793.899189]  ? __warn+0x93/0x1c0
<4>[  793.899193]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.899196]  ? report_bug+0x182/0x1b0
<4>[  793.899200]  ? handle_bug+0x6e/0xb0
<4>[  793.899202]  ? exc_invalid_op+0x18/0x80
<4>[  793.899204]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.899211]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.899213]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.899216]  ? mark_held_locks+0x46/0x90
<4>[  793.899235]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.901477]  ? clear_bhb_loop+0x15/0x70
<4>[  793.901504]  </TASK>
<4>[  793.901511] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.901650] RAX: 0000000000000000 RBX: ffff888126b31870 RCX: 0000000000000000
<4>[  793.901651] RDX: 0000000000000000 RSI: 0000000003d1630e RDI: 0000000000000000
<4>[  793.901653] RBP: ffffc90001a27378 R08: 00000000002f8b0d R09: 0000000000000001
<4>[  793.901654] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8f3
<4>[  793.901656] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b0d003
<4>[  793.901657] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.901659] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.901661] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.901662] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.901664] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.901665] Call Trace:
<4>[  793.901667]  <TASK>
<4>[  793.901668]  ? show_regs+0x6c/0x80
<4>[  793.901671]  ? __warn+0x93/0x1c0
<4>[  793.901675]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.901678]  ? report_bug+0x182/0x1b0
<4>[  793.901681]  ? handle_bug+0x6e/0xb0
<4>[  793.901684]  ? exc_invalid_op+0x18/0x80
<4>[  793.901686]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.901692]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.901695]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.901697]  ? mark_held_locks+0x46/0x90
<4>[  793.901705]  __iommu_map+0x119/0x2c0
<4>[  793.901711]  iommu_map_sg+0xbf/0x210
<4>[  793.901716]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.901892]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  793.903982] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.904139] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.904144] RDX: 0000000000000000 RSI: 0000000003d1630f RDI: 0000000000000000
<4>[  793.904146] RBP: ffffc90001a27378 R08: 00000000002f8b0e R09: 0000000000000001
<4>[  793.904147] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8f2
<4>[  793.904149] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b0e003
<4>[  793.904150] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.904152] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.904153] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.904155] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.904156] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.904158] Call Trace:
<4>[  793.904160]  <TASK>
<4>[  793.904161]  ? show_regs+0x6c/0x80
<4>[  793.904164]  ? __warn+0x93/0x1c0
<4>[  793.904168]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.904171]  ? report_bug+0x182/0x1b0
<4>[  793.904175]  ? handle_bug+0x6e/0xb0
<4>[  793.904178]  ? exc_invalid_op+0x18/0x80
<4>[  793.904180]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.904187]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.904189]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.904192]  ? mark_held_locks+0x46/0x90
<4>[  793.904226]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.906479] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.906636] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.906638] RAX: 0000000000000000 RBX: ffff888126b31880 RCX: 0000000000000000
<4>[  793.906640] RDX: 0000000000000000 RSI: 0000000003d16310 RDI: 0000000000000000
<4>[  793.906641] RBP: ffffc90001a27378 R08: 00000000002f8b0f R09: 0000000000000001
<4>[  793.906643] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8f1
<4>[  793.906644] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b0f003
<4>[  793.906646] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.906647] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.906649] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.906651] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.906652] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.906654] Call Trace:
<4>[  793.906655]  <TASK>
<4>[  793.906657]  ? show_regs+0x6c/0x80
<4>[  793.906660]  ? __warn+0x93/0x1c0
<4>[  793.906663]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.906666]  ? report_bug+0x182/0x1b0
<4>[  793.906670]  ? handle_bug+0x6e/0xb0
<4>[  793.906672]  ? exc_invalid_op+0x18/0x80
<4>[  793.906674]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.906681]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.906683]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.906686]  ? mark_held_locks+0x46/0x90
<4>[  793.906694]  __iommu_map+0x119/0x2c0
<4>[  793.906700]  iommu_map_sg+0xbf/0x210
<4>[  793.906705]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.907033]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.908955] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.909110] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  793.909117] RAX: 0000000000000000 RBX: ffff888126b31888 RCX: 0000000000000000
<4>[  793.909118] RDX: 0000000000000000 RSI: 0000000003d16311 RDI: 0000000000000000
<4>[  793.909120] RBP: ffffc90001a27378 R08: 00000000002f8b10 R09: 0000000000000001
<4>[  793.909121] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8f0
<4>[  793.909123] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b10003
<4>[  793.909124] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.909126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.909128] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.909130] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.909131] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.909133] Call Trace:
<4>[  793.909134]  <TASK>
<4>[  793.909136]  ? show_regs+0x6c/0x80
<4>[  793.909139]  ? __warn+0x93/0x1c0
<4>[  793.909143]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.909146]  ? report_bug+0x182/0x1b0
<4>[  793.909150]  ? handle_bug+0x6e/0xb0
<4>[  793.909152]  ? exc_invalid_op+0x18/0x80
<4>[  793.909155]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.909161]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.909164]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.909166]  ? mark_held_locks+0x46/0x90
<4>[  793.909174]  __iommu_map+0x119/0x2c0
<4>[  793.909180]  iommu_map_sg+0xbf/0x210
<4>[  793.909185]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.909512]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.911461] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.911624] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.911630] RDX: 0000000000000000 RSI: 0000000003d16312 RDI: 0000000000000000
<4>[  793.911631] RBP: ffffc90001a27378 R08: 00000000002f8b11 R09: 0000000000000001
<4>[  793.911633] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ef
<4>[  793.911634] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b11003
<4>[  793.911636] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.911638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.911639] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.911641] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.911643] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.911644] Call Trace:
<4>[  793.911645]  <TASK>
<4>[  793.911647]  ? show_regs+0x6c/0x80
<4>[  793.911651]  ? __warn+0x93/0x1c0
<4>[  793.911654]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.911657]  ? report_bug+0x182/0x1b0
<4>[  793.911661]  ? handle_bug+0x6e/0xb0
<4>[  793.911663]  ? exc_invalid_op+0x18/0x80
<4>[  793.911666]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.911672]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.911675]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.911678]  ? mark_held_locks+0x46/0x90
<4>[  793.911884]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  793.913993] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.914151] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.914154] RAX: 0000000000000000 RBX: ffff888126b31898 RCX: 0000000000000000
<4>[  793.914155] RDX: 0000000000000000 RSI: 0000000003d16313 RDI: 0000000000000000
<4>[  793.914157] RBP: ffffc90001a27378 R08: 00000000002f8b12 R09: 0000000000000001
<4>[  793.914158] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ee
<4>[  793.914160] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b12003
<4>[  793.914161] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.914163] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.914164] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.914166] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.914167] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.914169] Call Trace:
<4>[  793.914170]  <TASK>
<4>[  793.914172]  ? show_regs+0x6c/0x80
<4>[  793.914175]  ? __warn+0x93/0x1c0
<4>[  793.914178]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.914181]  ? report_bug+0x182/0x1b0
<4>[  793.914185]  ? handle_bug+0x6e/0xb0
<4>[  793.914187]  ? exc_invalid_op+0x18/0x80
<4>[  793.914190]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.914196]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.914199]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.914201]  ? mark_held_locks+0x46/0x90
<4>[  793.914209]  __iommu_map+0x119/0x2c0
<4>[  793.914215]  iommu_map_sg+0xbf/0x210
<4>[  793.914220]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.914545]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.916459] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.916617] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.916619] RAX: 0000000000000000 RBX: ffff888126b318a0 RCX: 0000000000000000
<4>[  793.916621] RDX: 0000000000000000 RSI: 0000000003d16314 RDI: 0000000000000000
<4>[  793.916622] RBP: ffffc90001a27378 R08: 00000000002f8b13 R09: 0000000000000001
<4>[  793.916623] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ed
<4>[  793.916625] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b13003
<4>[  793.916627] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.916628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.916630] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.916631] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.916633] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.916634] Call Trace:
<4>[  793.916635]  <TASK>
<4>[  793.916637]  ? show_regs+0x6c/0x80
<4>[  793.916640]  ? __warn+0x93/0x1c0
<4>[  793.916643]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.916646]  ? report_bug+0x182/0x1b0
<4>[  793.916650]  ? handle_bug+0x6e/0xb0
<4>[  793.916652]  ? exc_invalid_op+0x18/0x80
<4>[  793.916655]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.916661]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.916664]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.916666]  ? mark_held_locks+0x46/0x90
<4>[  793.916674]  __iommu_map+0x119/0x2c0
<4>[  793.916680]  iommu_map_sg+0xbf/0x210
<4>[  793.916685]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.917009]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.918915] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.919070] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.919072] RAX: 0000000000000000 RBX: ffff888126b318a8 RCX: 0000000000000000
<4>[  793.919074] RDX: 0000000000000000 RSI: 0000000003d16315 RDI: 0000000000000000
<4>[  793.919075] RBP: ffffc90001a27378 R08: 00000000002f8b14 R09: 0000000000000001
<4>[  793.919076] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ec
<4>[  793.919078] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b14003
<4>[  793.919079] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.919081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.919083] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.919084] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.919086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.919087] Call Trace:
<4>[  793.919088]  <TASK>
<4>[  793.919090]  ? show_regs+0x6c/0x80
<4>[  793.919093]  ? __warn+0x93/0x1c0
<4>[  793.919096]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.919099]  ? report_bug+0x182/0x1b0
<4>[  793.919103]  ? handle_bug+0x6e/0xb0
<4>[  793.919105]  ? exc_invalid_op+0x18/0x80
<4>[  793.919108]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.919114]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.919117]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.919119]  ? mark_held_locks+0x46/0x90
<4>[  793.919127]  __iommu_map+0x119/0x2c0
<4>[  793.919133]  iommu_map_sg+0xbf/0x210
<4>[  793.919138]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.919148]  dma_map_sgtable+0x1d/0x40
<4>[  793.921360]  ? clear_bhb_loop+0x15/0x70
<4>[  793.921386]  </TASK>
<4>[  793.921394] softirqs last  enabled at (245124292): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.921533] RAX: 0000000000000000 RBX: ffff888126b318b0 RCX: 0000000000000000
<4>[  793.921534] RDX: 0000000000000000 RSI: 0000000003d16316 RDI: 0000000000000000
<4>[  793.921535] RBP: ffffc90001a27378 R08: 00000000002f8b15 R09: 0000000000000001
<4>[  793.921537] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8eb
<4>[  793.921538] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b15003
<4>[  793.921540] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.921542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.921543] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.921545] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.921546] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.921548] Call Trace:
<4>[  793.921550]  <TASK>
<4>[  793.921551]  ? show_regs+0x6c/0x80
<4>[  793.921554]  ? __warn+0x93/0x1c0
<4>[  793.921557]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.921560]  ? report_bug+0x182/0x1b0
<4>[  793.921564]  ? handle_bug+0x6e/0xb0
<4>[  793.921566]  ? exc_invalid_op+0x18/0x80
<4>[  793.921569]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.921575]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.921578]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.921580]  ? mark_held_locks+0x46/0x90
<4>[  793.921588]  __iommu_map+0x119/0x2c0
<4>[  793.921594]  iommu_map_sg+0xbf/0x210
<4>[  793.921599]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.921933]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.923862] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.924021] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.924023] RAX: 0000000000000000 RBX: ffff888126b318b8 RCX: 0000000000000000
<4>[  793.924025] RDX: 0000000000000000 RSI: 0000000003d16317 RDI: 0000000000000000
<4>[  793.924026] RBP: ffffc90001a27378 R08: 00000000002f8b16 R09: 0000000000000001
<4>[  793.924028] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ea
<4>[  793.924029] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b16003
<4>[  793.924031] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.924032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.924034] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.924036] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.924037] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.924039] Call Trace:
<4>[  793.924040]  <TASK>
<4>[  793.924041]  ? show_regs+0x6c/0x80
<4>[  793.924045]  ? __warn+0x93/0x1c0
<4>[  793.924048]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.924051]  ? report_bug+0x182/0x1b0
<4>[  793.924055]  ? handle_bug+0x6e/0xb0
<4>[  793.924057]  ? exc_invalid_op+0x18/0x80
<4>[  793.924060]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.924066]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.924069]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.924071]  ? mark_held_locks+0x46/0x90
<4>[  793.924079]  __iommu_map+0x119/0x2c0
<4>[  793.924086]  iommu_map_sg+0xbf/0x210
<4>[  793.924091]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.924104]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.926339] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.926494] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.926496] RAX: 0000000000000000 RBX: ffff888126b318c0 RCX: 0000000000000000
<4>[  793.926497] RDX: 0000000000000000 RSI: 0000000003d16318 RDI: 0000000000000000
<4>[  793.926499] RBP: ffffc90001a27378 R08: 00000000002f8b17 R09: 0000000000000001
<4>[  793.926500] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8e9
<4>[  793.926502] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b17003
<4>[  793.926503] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.926505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.926507] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.926508] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.926510] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.926511] Call Trace:
<4>[  793.926513]  <TASK>
<4>[  793.926514]  ? show_regs+0x6c/0x80
<4>[  793.926517]  ? __warn+0x93/0x1c0
<4>[  793.926520]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.926523]  ? report_bug+0x182/0x1b0
<4>[  793.926527]  ? handle_bug+0x6e/0xb0
<4>[  793.926529]  ? exc_invalid_op+0x18/0x80
<4>[  793.926532]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.926538]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.926541]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.926543]  ? mark_held_locks+0x46/0x90
<4>[  793.926551]  __iommu_map+0x119/0x2c0
<4>[  793.926558]  iommu_map_sg+0xbf/0x210
<4>[  793.926563]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.926893]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.928815] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.928970] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.928976] RDX: 0000000000000000 RSI: 0000000003d16319 RDI: 0000000000000000
<4>[  793.928977] RBP: ffffc90001a27378 R08: 00000000002f8b18 R09: 0000000000000001
<4>[  793.928979] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8e8
<4>[  793.928980] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b18003
<4>[  793.928982] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.928983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.928985] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.928987] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.928988] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.928989] Call Trace:
<4>[  793.928991]  <TASK>
<4>[  793.928992]  ? show_regs+0x6c/0x80
<4>[  793.928995]  ? __warn+0x93/0x1c0
<4>[  793.928999]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.929002]  ? report_bug+0x182/0x1b0
<4>[  793.929005]  ? handle_bug+0x6e/0xb0
<4>[  793.929008]  ? exc_invalid_op+0x18/0x80
<4>[  793.929010]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.929016]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.929019]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.929022]  ? mark_held_locks+0x46/0x90
<4>[  793.929055]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.931299] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.931454] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.931456] RAX: 0000000000000000 RBX: ffff888126b318d0 RCX: 0000000000000000
<4>[  793.931458] RDX: 0000000000000000 RSI: 0000000003d1631a RDI: 0000000000000000
<4>[  793.931459] RBP: ffffc90001a27378 R08: 00000000002f8b19 R09: 0000000000000001
<4>[  793.931461] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8e7
<4>[  793.931462] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b19003
<4>[  793.931464] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.931466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.931467] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.931469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.931470] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.931472] Call Trace:
<4>[  793.931473]  <TASK>
<4>[  793.931475]  ? show_regs+0x6c/0x80
<4>[  793.931478]  ? __warn+0x93/0x1c0
<4>[  793.931481]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.931484]  ? report_bug+0x182/0x1b0
<4>[  793.931488]  ? handle_bug+0x6e/0xb0
<4>[  793.931490]  ? exc_invalid_op+0x18/0x80
<4>[  793.931492]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.931499]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.931501]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.931504]  ? mark_held_locks+0x46/0x90
<4>[  793.931511]  __iommu_map+0x119/0x2c0
<4>[  793.931518]  iommu_map_sg+0xbf/0x210
<4>[  793.931523]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.931537]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.933767] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.933929] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.933931] RAX: 0000000000000000 RBX: ffff888126b318d8 RCX: 0000000000000000
<4>[  793.933933] RDX: 0000000000000000 RSI: 0000000003d1631b RDI: 0000000000000000
<4>[  793.933934] RBP: ffffc90001a27378 R08: 00000000002f8b1a R09: 0000000000000001
<4>[  793.933936] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8e6
<4>[  793.933937] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b1a003
<4>[  793.933939] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.933941] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.933942] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.933944] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.933945] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.933947] Call Trace:
<4>[  793.933948]  <TASK>
<4>[  793.933950]  ? show_regs+0x6c/0x80
<4>[  793.933953]  ? __warn+0x93/0x1c0
<4>[  793.933956]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.933959]  ? report_bug+0x182/0x1b0
<4>[  793.933963]  ? handle_bug+0x6e/0xb0
<4>[  793.933965]  ? exc_invalid_op+0x18/0x80
<4>[  793.933968]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.933974]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.933977]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.933979]  ? mark_held_locks+0x46/0x90
<4>[  793.933987]  __iommu_map+0x119/0x2c0
<4>[  793.933993]  iommu_map_sg+0xbf/0x210
<4>[  793.933998]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.934321]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.936245] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.936400] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.936406] RDX: 0000000000000000 RSI: 0000000003d1631c RDI: 0000000000000000
<4>[  793.936407] RBP: ffffc90001a27378 R08: 00000000002f8b1b R09: 0000000000000001
<4>[  793.936409] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8e5
<4>[  793.936410] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b1b003
<4>[  793.936412] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.936413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.936415] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.936417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.936418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.936419] Call Trace:
<4>[  793.936421]  <TASK>
<4>[  793.936422]  ? show_regs+0x6c/0x80
<4>[  793.936425]  ? __warn+0x93/0x1c0
<4>[  793.936428]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.936431]  ? report_bug+0x182/0x1b0
<4>[  793.936435]  ? handle_bug+0x6e/0xb0
<4>[  793.936437]  ? exc_invalid_op+0x18/0x80
<4>[  793.936440]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.936446]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.936449]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.936451]  ? mark_held_locks+0x46/0x90
<4>[  793.936465]  iommu_map_sg+0xbf/0x210
<4>[  793.938706]  ? irqentry_exit+0x77/0xb0
<4>[  793.938726] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.938887] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.938890] RAX: 0000000000000000 RBX: ffff888126b318e8 RCX: 0000000000000000
<4>[  793.938891] RDX: 0000000000000000 RSI: 0000000003d1631d RDI: 0000000000000000
<4>[  793.938892] RBP: ffffc90001a27378 R08: 00000000002f8b1c R09: 0000000000000001
<4>[  793.938894] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8e4
<4>[  793.938895] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b1c003
<4>[  793.938897] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.938899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.938900] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.938902] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.938903] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.938905] Call Trace:
<4>[  793.938906]  <TASK>
<4>[  793.938908]  ? show_regs+0x6c/0x80
<4>[  793.938911]  ? __warn+0x93/0x1c0
<4>[  793.938914]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.938917]  ? report_bug+0x182/0x1b0
<4>[  793.938921]  ? handle_bug+0x6e/0xb0
<4>[  793.938923]  ? exc_invalid_op+0x18/0x80
<4>[  793.938925]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.938932]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.938934]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.938937]  ? mark_held_locks+0x46/0x90
<4>[  793.938944]  __iommu_map+0x119/0x2c0
<4>[  793.938951]  iommu_map_sg+0xbf/0x210
<4>[  793.938956]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.939438]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  793.941210] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.941366] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.941369] RAX: 0000000000000000 RBX: ffff888126b318f0 RCX: 0000000000000000
<4>[  793.941370] RDX: 0000000000000000 RSI: 0000000003d1631e RDI: 0000000000000000
<4>[  793.941372] RBP: ffffc90001a27378 R08: 00000000002f8b1d R09: 0000000000000001
<4>[  793.941373] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8e3
<4>[  793.941375] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b1d003
<4>[  793.941376] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.941378] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.941379] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.941381] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.941383] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.941384] Call Trace:
<4>[  793.941386]  <TASK>
<4>[  793.941387]  ? show_regs+0x6c/0x80
<4>[  793.941390]  ? __warn+0x93/0x1c0
<4>[  793.941394]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.941397]  ? report_bug+0x182/0x1b0
<4>[  793.941401]  ? handle_bug+0x6e/0xb0
<4>[  793.941403]  ? exc_invalid_op+0x18/0x80
<4>[  793.941405]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.941412]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.941414]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.941417]  ? mark_held_locks+0x46/0x90
<4>[  793.941424]  __iommu_map+0x119/0x2c0
<4>[  793.941431]  iommu_map_sg+0xbf/0x210
<4>[  793.941436]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.941442]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.943685]  ? clear_bhb_loop+0x15/0x70
<4>[  793.943717] hardirqs last disabled at (245201566): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.943865] RAX: 0000000000000000 RBX: ffff888126b318f8 RCX: 0000000000000000
<4>[  793.943866] RDX: 0000000000000000 RSI: 0000000003d1631f RDI: 0000000000000000
<4>[  793.943868] RBP: ffffc90001a27378 R08: 00000000002f8b1e R09: 0000000000000001
<4>[  793.943869] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8e2
<4>[  793.943871] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b1e003
<4>[  793.943873] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.943874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.943876] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.943878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.943879] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.943881] Call Trace:
<4>[  793.943882]  <TASK>
<4>[  793.943884]  ? show_regs+0x6c/0x80
<4>[  793.943887]  ? __warn+0x93/0x1c0
<4>[  793.943890]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.943893]  ? report_bug+0x182/0x1b0
<4>[  793.943897]  ? handle_bug+0x6e/0xb0
<4>[  793.943899]  ? exc_invalid_op+0x18/0x80
<4>[  793.943902]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.943908]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.943911]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.943913]  ? mark_held_locks+0x46/0x90
<4>[  793.943921]  __iommu_map+0x119/0x2c0
<4>[  793.943927]  iommu_map_sg+0xbf/0x210
<4>[  793.943932]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.943938]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.946165]  ? irqentry_exit+0x77/0xb0
<4>[  793.946186] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  793.946340] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.946344] RDX: 0000000000000000 RSI: 0000000003d16320 RDI: 0000000000000000
<4>[  793.946345] RBP: ffffc90001a27378 R08: 00000000002f8b1f R09: 0000000000000001
<4>[  793.946347] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8e1
<4>[  793.946348] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b1f003
<4>[  793.946350] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.946351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.946353] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.946355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.946356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.946358] Call Trace:
<4>[  793.946359]  <TASK>
<4>[  793.946360]  ? show_regs+0x6c/0x80
<4>[  793.946364]  ? __warn+0x93/0x1c0
<4>[  793.946367]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.946370]  ? report_bug+0x182/0x1b0
<4>[  793.946374]  ? handle_bug+0x6e/0xb0
<4>[  793.946376]  ? exc_invalid_op+0x18/0x80
<4>[  793.946378]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.946385]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.946387]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.946390]  ? mark_held_locks+0x46/0x90
<4>[  793.946397]  __iommu_map+0x119/0x2c0
<4>[  793.946403]  iommu_map_sg+0xbf/0x210
<4>[  793.946408]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.946415]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.946419]  dma_map_sgtable+0x1d/0x40
<4>[  793.946732]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.948658] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.948817] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  793.948823] RAX: 0000000000000000 RBX: ffff888126b31908 RCX: 0000000000000000
<4>[  793.948824] RDX: 0000000000000000 RSI: 0000000003d16321 RDI: 0000000000000000
<4>[  793.948826] RBP: ffffc90001a27378 R08: 00000000002f8b20 R09: 0000000000000001
<4>[  793.948827] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8e0
<4>[  793.948829] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b20003
<4>[  793.948830] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.948832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.948833] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.948835] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.948836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.948838] Call Trace:
<4>[  793.948839]  <TASK>
<4>[  793.948841]  ? show_regs+0x6c/0x80
<4>[  793.948844]  ? __warn+0x93/0x1c0
<4>[  793.948847]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.948850]  ? report_bug+0x182/0x1b0
<4>[  793.948854]  ? handle_bug+0x6e/0xb0
<4>[  793.948856]  ? exc_invalid_op+0x18/0x80
<4>[  793.948859]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.948865]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.948868]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.948870]  ? mark_held_locks+0x46/0x90
<4>[  793.948878]  __iommu_map+0x119/0x2c0
<4>[  793.948885]  iommu_map_sg+0xbf/0x210
<4>[  793.948890]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.948896]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.951131]  ? clear_bhb_loop+0x15/0x70
<4>[  793.951158]  </TASK>
<4>[  793.951165] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.951304] RAX: 0000000000000000 RBX: ffff888126b31910 RCX: 0000000000000000
<4>[  793.951306] RDX: 0000000000000000 RSI: 0000000003d16322 RDI: 0000000000000000
<4>[  793.951307] RBP: ffffc90001a27378 R08: 00000000002f8b21 R09: 0000000000000001
<4>[  793.951309] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8df
<4>[  793.951310] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b21003
<4>[  793.951312] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.951313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.951315] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.951317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.951318] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.951319] Call Trace:
<4>[  793.951321]  <TASK>
<4>[  793.951322]  ? show_regs+0x6c/0x80
<4>[  793.951325]  ? __warn+0x93/0x1c0
<4>[  793.951328]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.951331]  ? report_bug+0x182/0x1b0
<4>[  793.951335]  ? handle_bug+0x6e/0xb0
<4>[  793.951337]  ? exc_invalid_op+0x18/0x80
<4>[  793.951340]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.951346]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.951349]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.951351]  ? mark_held_locks+0x46/0x90
<4>[  793.951359]  __iommu_map+0x119/0x2c0
<4>[  793.951365]  iommu_map_sg+0xbf/0x210
<4>[  793.951370]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.951384]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.953633] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.953790] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.953792] RAX: 0000000000000000 RBX: ffff888126b31918 RCX: 0000000000000000
<4>[  793.953794] RDX: 0000000000000000 RSI: 0000000003d16323 RDI: 0000000000000000
<4>[  793.953795] RBP: ffffc90001a27378 R08: 00000000002f8b22 R09: 0000000000000001
<4>[  793.953797] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8de
<4>[  793.953804] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b22003
<4>[  793.953805] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.953807] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.953809] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.953810] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.953812] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.953813] Call Trace:
<4>[  793.953814]  <TASK>
<4>[  793.953816]  ? show_regs+0x6c/0x80
<4>[  793.953819]  ? __warn+0x93/0x1c0
<4>[  793.953822]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.953825]  ? report_bug+0x182/0x1b0
<4>[  793.953829]  ? handle_bug+0x6e/0xb0
<4>[  793.953831]  ? exc_invalid_op+0x18/0x80
<4>[  793.953834]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.953840]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.953843]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.953845]  ? mark_held_locks+0x46/0x90
<4>[  793.953853]  __iommu_map+0x119/0x2c0
<4>[  793.953859]  iommu_map_sg+0xbf/0x210
<4>[  793.953864]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.953871]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.956105]  ? clear_bhb_loop+0x15/0x70
<4>[  793.956135] hardirqs last  enabled at (245207493): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.956281] RAX: 0000000000000000 RBX: ffff888126b31920 RCX: 0000000000000000
<4>[  793.956282] RDX: 0000000000000000 RSI: 0000000003d16324 RDI: 0000000000000000
<4>[  793.956283] RBP: ffffc90001a27378 R08: 00000000002f8b23 R09: 0000000000000001
<4>[  793.956285] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8dd
<4>[  793.956286] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b23003
<4>[  793.956288] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.956290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.956291] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.956293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.956294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.956296] Call Trace:
<4>[  793.956297]  <TASK>
<4>[  793.956299]  ? show_regs+0x6c/0x80
<4>[  793.956302]  ? __warn+0x93/0x1c0
<4>[  793.956305]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.956308]  ? report_bug+0x182/0x1b0
<4>[  793.956312]  ? handle_bug+0x6e/0xb0
<4>[  793.956314]  ? exc_invalid_op+0x18/0x80
<4>[  793.956316]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.956323]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.956326]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.956328]  ? mark_held_locks+0x46/0x90
<4>[  793.956336]  __iommu_map+0x119/0x2c0
<4>[  793.956342]  iommu_map_sg+0xbf/0x210
<4>[  793.956347]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.956354]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.958585]  ? clear_bhb_loop+0x15/0x70
<4>[  793.958612]  </TASK>
<4>[  793.958619] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  793.958759] RAX: 0000000000000000 RBX: ffff888126b31928 RCX: 0000000000000000
<4>[  793.958760] RDX: 0000000000000000 RSI: 0000000003d16325 RDI: 0000000000000000
<4>[  793.958762] RBP: ffffc90001a27378 R08: 00000000002f8b24 R09: 0000000000000001
<4>[  793.958763] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8dc
<4>[  793.958765] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b24003
<4>[  793.958766] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.958768] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.958770] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.958771] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.958773] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.958774] Call Trace:
<4>[  793.958776]  <TASK>
<4>[  793.958777]  ? show_regs+0x6c/0x80
<4>[  793.958780]  ? __warn+0x93/0x1c0
<4>[  793.958783]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.958786]  ? report_bug+0x182/0x1b0
<4>[  793.958790]  ? handle_bug+0x6e/0xb0
<4>[  793.958792]  ? exc_invalid_op+0x18/0x80
<4>[  793.958795]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.958807]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.958810]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.958812]  ? mark_held_locks+0x46/0x90
<4>[  793.958820]  __iommu_map+0x119/0x2c0
<4>[  793.958826]  iommu_map_sg+0xbf/0x210
<4>[  793.958831]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.958838]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.961068]  ? clear_bhb_loop+0x15/0x70
<4>[  793.961097] hardirqs last  enabled at (245209863): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.961241] RAX: 0000000000000000 RBX: ffff888126b31930 RCX: 0000000000000000
<4>[  793.961243] RDX: 0000000000000000 RSI: 0000000003d16326 RDI: 0000000000000000
<4>[  793.961244] RBP: ffffc90001a27378 R08: 00000000002f8b25 R09: 0000000000000001
<4>[  793.961245] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8db
<4>[  793.961247] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b25003
<4>[  793.961248] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.961250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.961252] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.961254] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.961255] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.961257] Call Trace:
<4>[  793.961258]  <TASK>
<4>[  793.961259]  ? show_regs+0x6c/0x80
<4>[  793.961263]  ? __warn+0x93/0x1c0
<4>[  793.961266]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.961269]  ? report_bug+0x182/0x1b0
<4>[  793.961273]  ? handle_bug+0x6e/0xb0
<4>[  793.961275]  ? exc_invalid_op+0x18/0x80
<4>[  793.961278]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.961284]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.961286]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.961289]  ? mark_held_locks+0x46/0x90
<4>[  793.961296]  __iommu_map+0x119/0x2c0
<4>[  793.961303]  iommu_map_sg+0xbf/0x210
<4>[  793.961308]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.961314]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.963561]  ? clear_bhb_loop+0x15/0x70
<4>[  793.963579] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  793.963731] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.963734] RAX: 0000000000000000 RBX: ffff888126b31938 RCX: 0000000000000000
<4>[  793.963735] RDX: 0000000000000000 RSI: 0000000003d16327 RDI: 0000000000000000
<4>[  793.963737] RBP: ffffc90001a27378 R08: 00000000002f8b26 R09: 0000000000000001
<4>[  793.963738] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8da
<4>[  793.963740] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b26003
<4>[  793.963741] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.963743] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.963744] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.963746] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.963747] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.963749] Call Trace:
<4>[  793.963750]  <TASK>
<4>[  793.963752]  ? show_regs+0x6c/0x80
<4>[  793.963755]  ? __warn+0x93/0x1c0
<4>[  793.963758]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.963761]  ? report_bug+0x182/0x1b0
<4>[  793.963765]  ? handle_bug+0x6e/0xb0
<4>[  793.963767]  ? exc_invalid_op+0x18/0x80
<4>[  793.963770]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.963776]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.963779]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.963782]  ? mark_held_locks+0x46/0x90
<4>[  793.963789]  __iommu_map+0x119/0x2c0
<4>[  793.963795]  iommu_map_sg+0xbf/0x210
<4>[  793.963806]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.965564]  i915_gem_execbuffer2_ioctl+0x15a/0x310 [i915]
<4>[  793.966097] hardirqs last  enabled at (245212233): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.966241] RAX: 0000000000000000 RBX: ffff888126b31940 RCX: 0000000000000000
<4>[  793.966242] RDX: 0000000000000000 RSI: 0000000003d16328 RDI: 0000000000000000
<4>[  793.966244] RBP: ffffc90001a27378 R08: 00000000002f8b27 R09: 0000000000000001
<4>[  793.966245] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8d9
<4>[  793.966247] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b27003
<4>[  793.966248] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.966250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.966252] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.966253] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.966255] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.966256] Call Trace:
<4>[  793.966258]  <TASK>
<4>[  793.966259]  ? show_regs+0x6c/0x80
<4>[  793.966262]  ? __warn+0x93/0x1c0
<4>[  793.966265]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.966268]  ? report_bug+0x182/0x1b0
<4>[  793.966272]  ? handle_bug+0x6e/0xb0
<4>[  793.966274]  ? exc_invalid_op+0x18/0x80
<4>[  793.966277]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.966283]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.966286]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.966288]  ? mark_held_locks+0x46/0x90
<4>[  793.966296]  __iommu_map+0x119/0x2c0
<4>[  793.966302]  iommu_map_sg+0xbf/0x210
<4>[  793.966307]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.966313]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.968533]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  793.968573] hardirqs last disabled at (245213422): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.968713] RAX: 0000000000000000 RBX: ffff888126b31948 RCX: 0000000000000000
<4>[  793.968715] RDX: 0000000000000000 RSI: 0000000003d16329 RDI: 0000000000000000
<4>[  793.968716] RBP: ffffc90001a27378 R08: 00000000002f8b28 R09: 0000000000000001
<4>[  793.968718] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8d8
<4>[  793.968719] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b28003
<4>[  793.968721] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.968722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.968724] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.968726] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.968727] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.968728] Call Trace:
<4>[  793.968730]  <TASK>
<4>[  793.968731]  ? show_regs+0x6c/0x80
<4>[  793.968734]  ? __warn+0x93/0x1c0
<4>[  793.968738]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.968741]  ? report_bug+0x182/0x1b0
<4>[  793.968745]  ? handle_bug+0x6e/0xb0
<4>[  793.968747]  ? exc_invalid_op+0x18/0x80
<4>[  793.968749]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.968756]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.968758]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.968761]  ? mark_held_locks+0x46/0x90
<4>[  793.968768]  __iommu_map+0x119/0x2c0
<4>[  793.968774]  iommu_map_sg+0xbf/0x210
<4>[  793.968779]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.968786]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.971027]  ? clear_bhb_loop+0x15/0x70
<4>[  793.971056] hardirqs last  enabled at (245214603): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.971201] RAX: 0000000000000000 RBX: ffff888126b31950 RCX: 0000000000000000
<4>[  793.971202] RDX: 0000000000000000 RSI: 0000000003d1632a RDI: 0000000000000000
<4>[  793.971204] RBP: ffffc90001a27378 R08: 00000000002f8b29 R09: 0000000000000001
<4>[  793.971205] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8d7
<4>[  793.971206] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b29003
<4>[  793.971208] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.971210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.971211] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.971213] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.971215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.971216] Call Trace:
<4>[  793.971218]  <TASK>
<4>[  793.971219]  ? show_regs+0x6c/0x80
<4>[  793.971222]  ? __warn+0x93/0x1c0
<4>[  793.971226]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.971229]  ? report_bug+0x182/0x1b0
<4>[  793.971233]  ? handle_bug+0x6e/0xb0
<4>[  793.971235]  ? exc_invalid_op+0x18/0x80
<4>[  793.971238]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.971244]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.971247]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.971249]  ? mark_held_locks+0x46/0x90
<4>[  793.971257]  __iommu_map+0x119/0x2c0
<4>[  793.971264]  iommu_map_sg+0xbf/0x210
<4>[  793.971269]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.971276]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.973516]  ? clear_bhb_loop+0x15/0x70
<4>[  793.973534] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  793.973687] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.973690] RDX: 0000000000000000 RSI: 0000000003d1632b RDI: 0000000000000000
<4>[  793.973692] RBP: ffffc90001a27378 R08: 00000000002f8b2a R09: 0000000000000001
<4>[  793.973693] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8d6
<4>[  793.973695] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b2a003
<4>[  793.973696] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.973698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.973700] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.973701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.973703] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.973704] Call Trace:
<4>[  793.973706]  <TASK>
<4>[  793.973707]  ? show_regs+0x6c/0x80
<4>[  793.973710]  ? __warn+0x93/0x1c0
<4>[  793.973713]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.973716]  ? report_bug+0x182/0x1b0
<4>[  793.973720]  ? handle_bug+0x6e/0xb0
<4>[  793.973722]  ? exc_invalid_op+0x18/0x80
<4>[  793.973725]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.973731]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.973734]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.973736]  ? mark_held_locks+0x46/0x90
<4>[  793.973744]  __iommu_map+0x119/0x2c0
<4>[  793.973750]  iommu_map_sg+0xbf/0x210
<4>[  793.973755]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.973762]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.973766]  dma_map_sgtable+0x1d/0x40
<4>[  793.974086]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.976033] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.976191] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.976193] RAX: 0000000000000000 RBX: ffff888126b31960 RCX: 0000000000000000
<4>[  793.976195] RDX: 0000000000000000 RSI: 0000000003d1632c RDI: 0000000000000000
<4>[  793.976196] RBP: ffffc90001a27378 R08: 00000000002f8b2b R09: 0000000000000001
<4>[  793.976198] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8d5
<4>[  793.976199] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b2b003
<4>[  793.976201] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.976203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.976204] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.976206] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.976207] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.976209] Call Trace:
<4>[  793.976210]  <TASK>
<4>[  793.976212]  ? show_regs+0x6c/0x80
<4>[  793.976215]  ? __warn+0x93/0x1c0
<4>[  793.976218]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.976221]  ? report_bug+0x182/0x1b0
<4>[  793.976225]  ? handle_bug+0x6e/0xb0
<4>[  793.976227]  ? exc_invalid_op+0x18/0x80
<4>[  793.976230]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.976236]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.976239]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.976241]  ? mark_held_locks+0x46/0x90
<4>[  793.976249]  __iommu_map+0x119/0x2c0
<4>[  793.976255]  iommu_map_sg+0xbf/0x210
<4>[  793.976260]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.976274]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  793.978509] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.978664] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.978667] RAX: 0000000000000000 RBX: ffff888126b31968 RCX: 0000000000000000
<4>[  793.978668] RDX: 0000000000000000 RSI: 0000000003d1632d RDI: 0000000000000000
<4>[  793.978669] RBP: ffffc90001a27378 R08: 00000000002f8b2c R09: 0000000000000001
<4>[  793.978671] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8d4
<4>[  793.978672] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b2c003
<4>[  793.978674] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.978676] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.978677] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.978679] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.978681] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.978682] Call Trace:
<4>[  793.978683]  <TASK>
<4>[  793.978685]  ? show_regs+0x6c/0x80
<4>[  793.978688]  ? __warn+0x93/0x1c0
<4>[  793.978691]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.978694]  ? report_bug+0x182/0x1b0
<4>[  793.978698]  ? handle_bug+0x6e/0xb0
<4>[  793.978700]  ? exc_invalid_op+0x18/0x80
<4>[  793.978703]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.978709]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.978712]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.978714]  ? mark_held_locks+0x46/0x90
<4>[  793.978722]  __iommu_map+0x119/0x2c0
<4>[  793.978728]  iommu_map_sg+0xbf/0x210
<4>[  793.978733]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.979060]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.980990] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  793.981151] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.981153] RAX: 0000000000000000 RBX: ffff888126b31970 RCX: 0000000000000000
<4>[  793.981155] RDX: 0000000000000000 RSI: 0000000003d1632e RDI: 0000000000000000
<4>[  793.981156] RBP: ffffc90001a27378 R08: 00000000002f8b2d R09: 0000000000000001
<4>[  793.981158] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8d3
<4>[  793.981159] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b2d003
<4>[  793.981161] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.981162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.981164] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.981166] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.981167] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.981169] Call Trace:
<4>[  793.981170]  <TASK>
<4>[  793.981171]  ? show_regs+0x6c/0x80
<4>[  793.981174]  ? __warn+0x93/0x1c0
<4>[  793.981178]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.981181]  ? report_bug+0x182/0x1b0
<4>[  793.981184]  ? handle_bug+0x6e/0xb0
<4>[  793.981186]  ? exc_invalid_op+0x18/0x80
<4>[  793.981189]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.981195]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.981198]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.981201]  ? mark_held_locks+0x46/0x90
<4>[  793.981208]  __iommu_map+0x119/0x2c0
<4>[  793.981214]  iommu_map_sg+0xbf/0x210
<4>[  793.981219]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.981700]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  793.983477] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.983632] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.983637] RDX: 0000000000000000 RSI: 0000000003d1632f RDI: 0000000000000000
<4>[  793.983639] RBP: ffffc90001a27378 R08: 00000000002f8b2e R09: 0000000000000001
<4>[  793.983640] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8d2
<4>[  793.983642] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b2e003
<4>[  793.983643] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.983645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.983647] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.983648] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.983650] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.983651] Call Trace:
<4>[  793.983653]  <TASK>
<4>[  793.983654]  ? show_regs+0x6c/0x80
<4>[  793.983657]  ? __warn+0x93/0x1c0
<4>[  793.983660]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.983663]  ? report_bug+0x182/0x1b0
<4>[  793.983667]  ? handle_bug+0x6e/0xb0
<4>[  793.983669]  ? exc_invalid_op+0x18/0x80
<4>[  793.983672]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.983678]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.983681]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.983683]  ? mark_held_locks+0x46/0x90
<4>[  793.983708]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.985942]  ? clear_bhb_loop+0x15/0x70
<4>[  793.985972] hardirqs last  enabled at (245221713): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  793.986116] RAX: 0000000000000000 RBX: ffff888126b31980 RCX: 0000000000000000
<4>[  793.986118] RDX: 0000000000000000 RSI: 0000000003d16330 RDI: 0000000000000000
<4>[  793.986119] RBP: ffffc90001a27378 R08: 00000000002f8b2f R09: 0000000000000001
<4>[  793.986121] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8d1
<4>[  793.986122] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b2f003
<4>[  793.986124] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.986125] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.986127] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.986129] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.986130] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.986132] Call Trace:
<4>[  793.986133]  <TASK>
<4>[  793.986134]  ? show_regs+0x6c/0x80
<4>[  793.986138]  ? __warn+0x93/0x1c0
<4>[  793.986141]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.986144]  ? report_bug+0x182/0x1b0
<4>[  793.986147]  ? handle_bug+0x6e/0xb0
<4>[  793.986150]  ? exc_invalid_op+0x18/0x80
<4>[  793.986152]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.986158]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.986161]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.986164]  ? mark_held_locks+0x46/0x90
<4>[  793.986171]  __iommu_map+0x119/0x2c0
<4>[  793.986177]  iommu_map_sg+0xbf/0x210
<4>[  793.986182]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.986189]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.988421]  ? clear_bhb_loop+0x15/0x70
<4>[  793.988441] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.988591] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.988595] RDX: 0000000000000000 RSI: 0000000003d16331 RDI: 0000000000000000
<4>[  793.988597] RBP: ffffc90001a27378 R08: 00000000002f8b30 R09: 0000000000000001
<4>[  793.988598] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8d0
<4>[  793.988600] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b30003
<4>[  793.988601] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.988603] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.988604] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.988606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.988607] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.988609] Call Trace:
<4>[  793.988610]  <TASK>
<4>[  793.988612]  ? show_regs+0x6c/0x80
<4>[  793.988615]  ? __warn+0x93/0x1c0
<4>[  793.988618]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.988621]  ? report_bug+0x182/0x1b0
<4>[  793.988625]  ? handle_bug+0x6e/0xb0
<4>[  793.988627]  ? exc_invalid_op+0x18/0x80
<4>[  793.988629]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.988636]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.988638]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.988641]  ? mark_held_locks+0x46/0x90
<4>[  793.988648]  __iommu_map+0x119/0x2c0
<4>[  793.988655]  iommu_map_sg+0xbf/0x210
<4>[  793.988660]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.988666]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.988670]  dma_map_sgtable+0x1d/0x40
<4>[  793.988991]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  793.990931] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  793.991087] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.991089] RAX: 0000000000000000 RBX: ffff888126b31990 RCX: 0000000000000000
<4>[  793.991091] RDX: 0000000000000000 RSI: 0000000003d16332 RDI: 0000000000000000
<4>[  793.991092] RBP: ffffc90001a27378 R08: 00000000002f8b31 R09: 0000000000000001
<4>[  793.991094] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8cf
<4>[  793.991095] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b31003
<4>[  793.991097] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.991099] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.991100] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.991102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.991103] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.991105] Call Trace:
<4>[  793.991106]  <TASK>
<4>[  793.991107]  ? show_regs+0x6c/0x80
<4>[  793.991111]  ? __warn+0x93/0x1c0
<4>[  793.991114]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.991117]  ? report_bug+0x182/0x1b0
<4>[  793.991120]  ? handle_bug+0x6e/0xb0
<4>[  793.991123]  ? exc_invalid_op+0x18/0x80
<4>[  793.991125]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.991131]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.991134]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.991136]  ? mark_held_locks+0x46/0x90
<4>[  793.991144]  __iommu_map+0x119/0x2c0
<4>[  793.991150]  iommu_map_sg+0xbf/0x210
<4>[  793.991155]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.991161]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.993405]  ? clear_bhb_loop+0x15/0x70
<4>[  793.993437] hardirqs last disabled at (245225272): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  793.993579] RAX: 0000000000000000 RBX: ffff888126b31998 RCX: 0000000000000000
<4>[  793.993580] RDX: 0000000000000000 RSI: 0000000003d16333 RDI: 0000000000000000
<4>[  793.993582] RBP: ffffc90001a27378 R08: 00000000002f8b32 R09: 0000000000000001
<4>[  793.993583] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ce
<4>[  793.993585] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b32003
<4>[  793.993586] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.993588] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.993590] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.993591] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.993593] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.993594] Call Trace:
<4>[  793.993596]  <TASK>
<4>[  793.993597]  ? show_regs+0x6c/0x80
<4>[  793.993600]  ? __warn+0x93/0x1c0
<4>[  793.993603]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.993606]  ? report_bug+0x182/0x1b0
<4>[  793.993610]  ? handle_bug+0x6e/0xb0
<4>[  793.993612]  ? exc_invalid_op+0x18/0x80
<4>[  793.993615]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.993621]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.993624]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.993626]  ? mark_held_locks+0x46/0x90
<4>[  793.993634]  __iommu_map+0x119/0x2c0
<4>[  793.993640]  iommu_map_sg+0xbf/0x210
<4>[  793.993645]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.993652]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.995887]  ? clear_bhb_loop+0x15/0x70
<4>[  793.995907] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  793.996058] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  793.996062] RDX: 0000000000000000 RSI: 0000000003d16334 RDI: 0000000000000000
<4>[  793.996063] RBP: ffffc90001a27378 R08: 00000000002f8b33 R09: 0000000000000001
<4>[  793.996065] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8cd
<4>[  793.996066] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b33003
<4>[  793.996068] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.996070] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.996071] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.996073] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.996075] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.996076] Call Trace:
<4>[  793.996077]  <TASK>
<4>[  793.996079]  ? show_regs+0x6c/0x80
<4>[  793.996082]  ? __warn+0x93/0x1c0
<4>[  793.996085]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.996088]  ? report_bug+0x182/0x1b0
<4>[  793.996092]  ? handle_bug+0x6e/0xb0
<4>[  793.996094]  ? exc_invalid_op+0x18/0x80
<4>[  793.996096]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.996103]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.996105]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.996108]  ? mark_held_locks+0x46/0x90
<4>[  793.996115]  __iommu_map+0x119/0x2c0
<4>[  793.996121]  iommu_map_sg+0xbf/0x210
<4>[  793.996126]  iommu_dma_map_sg+0x43b/0x520
<4>[  793.996133]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  793.996137]  dma_map_sgtable+0x1d/0x40
<4>[  793.996607]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  793.998400] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  793.998557] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  793.998562] RDX: 0000000000000000 RSI: 0000000003d16335 RDI: 0000000000000000
<4>[  793.998563] RBP: ffffc90001a27378 R08: 00000000002f8b34 R09: 0000000000000001
<4>[  793.998565] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8cc
<4>[  793.998567] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b34003
<4>[  793.998568] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  793.998570] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  793.998572] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  793.998573] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  793.998575] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  793.998576] Call Trace:
<4>[  793.998578]  <TASK>
<4>[  793.998579]  ? show_regs+0x6c/0x80
<4>[  793.998582]  ? __warn+0x93/0x1c0
<4>[  793.998585]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.998588]  ? report_bug+0x182/0x1b0
<4>[  793.998592]  ? handle_bug+0x6e/0xb0
<4>[  793.998594]  ? exc_invalid_op+0x18/0x80
<4>[  793.998597]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  793.998603]  ? intel_iommu_map_pages+0x687/0x820
<4>[  793.998606]  ? intel_iommu_map_pages+0x664/0x820
<4>[  793.998608]  ? mark_held_locks+0x46/0x90
<4>[  793.998638]  dma_map_sgtable+0x1d/0x40
<4>[  794.000888]  ? clear_bhb_loop+0x15/0x70
<4>[  794.000915]  </TASK>
<4>[  794.000922] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.001062] RAX: 0000000000000000 RBX: ffff888126b319b0 RCX: 0000000000000000
<4>[  794.001063] RDX: 0000000000000000 RSI: 0000000003d16336 RDI: 0000000000000000
<4>[  794.001065] RBP: ffffc90001a27378 R08: 00000000002f8b35 R09: 0000000000000001
<4>[  794.001066] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8cb
<4>[  794.001068] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b35003
<4>[  794.001069] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.001071] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.001072] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.001074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.001076] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.001077] Call Trace:
<4>[  794.001078]  <TASK>
<4>[  794.001080]  ? show_regs+0x6c/0x80
<4>[  794.001083]  ? __warn+0x93/0x1c0
<4>[  794.001086]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.001089]  ? report_bug+0x182/0x1b0
<4>[  794.001093]  ? handle_bug+0x6e/0xb0
<4>[  794.001095]  ? exc_invalid_op+0x18/0x80
<4>[  794.001098]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.001104]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.001107]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.001109]  ? mark_held_locks+0x46/0x90
<4>[  794.001117]  __iommu_map+0x119/0x2c0
<4>[  794.001123]  iommu_map_sg+0xbf/0x210
<4>[  794.001128]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.001142]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.003387] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.003545] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.003547] RAX: 0000000000000000 RBX: ffff888126b319b8 RCX: 0000000000000000
<4>[  794.003549] RDX: 0000000000000000 RSI: 0000000003d16337 RDI: 0000000000000000
<4>[  794.003550] RBP: ffffc90001a27378 R08: 00000000002f8b36 R09: 0000000000000001
<4>[  794.003552] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ca
<4>[  794.003553] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b36003
<4>[  794.003555] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.003557] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.003558] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.003560] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.003561] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.003563] Call Trace:
<4>[  794.003564]  <TASK>
<4>[  794.003566]  ? show_regs+0x6c/0x80
<4>[  794.003569]  ? __warn+0x93/0x1c0
<4>[  794.003572]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.003575]  ? report_bug+0x182/0x1b0
<4>[  794.003579]  ? handle_bug+0x6e/0xb0
<4>[  794.003581]  ? exc_invalid_op+0x18/0x80
<4>[  794.003583]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.003590]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.003592]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.003595]  ? mark_held_locks+0x46/0x90
<4>[  794.003602]  __iommu_map+0x119/0x2c0
<4>[  794.003608]  iommu_map_sg+0xbf/0x210
<4>[  794.003614]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.003620]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.005901]  ? clear_bhb_loop+0x15/0x70
<4>[  794.005932] hardirqs last  enabled at (245231193): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.006082] RAX: 0000000000000000 RBX: ffff888126b319c0 RCX: 0000000000000000
<4>[  794.006083] RDX: 0000000000000000 RSI: 0000000003d16338 RDI: 0000000000000000
<4>[  794.006085] RBP: ffffc90001a27378 R08: 00000000002f8b37 R09: 0000000000000001
<4>[  794.006086] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8c9
<4>[  794.006088] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b37003
<4>[  794.006090] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.006092] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.006093] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.006095] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.006096] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.006098] Call Trace:
<4>[  794.006099]  <TASK>
<4>[  794.006101]  ? show_regs+0x6c/0x80
<4>[  794.006104]  ? __warn+0x93/0x1c0
<4>[  794.006107]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.006110]  ? report_bug+0x182/0x1b0
<4>[  794.006114]  ? handle_bug+0x6e/0xb0
<4>[  794.006117]  ? exc_invalid_op+0x18/0x80
<4>[  794.006119]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.006125]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.006128]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.006130]  ? mark_held_locks+0x46/0x90
<4>[  794.006138]  __iommu_map+0x119/0x2c0
<4>[  794.006145]  iommu_map_sg+0xbf/0x210
<4>[  794.006150]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.006156]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.008404]  ? clear_bhb_loop+0x15/0x70
<4>[  794.008430]  </TASK>
<4>[  794.008438] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.008578] RAX: 0000000000000000 RBX: ffff888126b319c8 RCX: 0000000000000000
<4>[  794.008579] RDX: 0000000000000000 RSI: 0000000003d16339 RDI: 0000000000000000
<4>[  794.008581] RBP: ffffc90001a27378 R08: 00000000002f8b38 R09: 0000000000000001
<4>[  794.008582] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8c8
<4>[  794.008584] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b38003
<4>[  794.008585] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.008587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.008589] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.008590] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.008592] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.008593] Call Trace:
<4>[  794.008595]  <TASK>
<4>[  794.008596]  ? show_regs+0x6c/0x80
<4>[  794.008600]  ? __warn+0x93/0x1c0
<4>[  794.008603]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.008606]  ? report_bug+0x182/0x1b0
<4>[  794.008609]  ? handle_bug+0x6e/0xb0
<4>[  794.008612]  ? exc_invalid_op+0x18/0x80
<4>[  794.008614]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.008620]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.008623]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.008625]  ? mark_held_locks+0x46/0x90
<4>[  794.008633]  __iommu_map+0x119/0x2c0
<4>[  794.008639]  iommu_map_sg+0xbf/0x210
<4>[  794.008644]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.008651]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.010871]  ? clear_bhb_loop+0x15/0x70
<4>[  794.010898] irq event stamp: 245233557
<4>[  794.011011]  nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi acpi_tad pmt_telemetry pmt_class intel_vsec acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  794.011044] RDX: 0000000000000000 RSI: 0000000003d1633a RDI: 0000000000000000
<4>[  794.011046] RBP: ffffc90001a27378 R08: 00000000002f8b39 R09: 0000000000000001
<4>[  794.011047] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8c7
<4>[  794.011049] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b39003
<4>[  794.011050] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.011052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.011054] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.011055] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.011057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.011058] Call Trace:
<4>[  794.011059]  <TASK>
<4>[  794.011061]  ? show_regs+0x6c/0x80
<4>[  794.011064]  ? __warn+0x93/0x1c0
<4>[  794.011067]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.011070]  ? report_bug+0x182/0x1b0
<4>[  794.011074]  ? handle_bug+0x6e/0xb0
<4>[  794.011076]  ? exc_invalid_op+0x18/0x80
<4>[  794.011079]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.011085]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.011088]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.011090]  ? mark_held_locks+0x46/0x90
<4>[  794.012842]  i915_gem_execbuffer2_ioctl+0x15a/0x310 [i915]
<4>[  794.013358] hardirqs last disabled at (245234752): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.013497] RAX: 0000000000000000 RBX: ffff888126b319d8 RCX: 0000000000000000
<4>[  794.013498] RDX: 0000000000000000 RSI: 0000000003d1633b RDI: 0000000000000000
<4>[  794.013500] RBP: ffffc90001a27378 R08: 00000000002f8b3a R09: 0000000000000001
<4>[  794.013501] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8c6
<4>[  794.013503] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b3a003
<4>[  794.013504] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.013506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.013507] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.013509] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.013510] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.013512] Call Trace:
<4>[  794.013513]  <TASK>
<4>[  794.013515]  ? show_regs+0x6c/0x80
<4>[  794.013518]  ? __warn+0x93/0x1c0
<4>[  794.013521]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.013524]  ? report_bug+0x182/0x1b0
<4>[  794.013528]  ? handle_bug+0x6e/0xb0
<4>[  794.013530]  ? exc_invalid_op+0x18/0x80
<4>[  794.013532]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.013539]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.013541]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.013544]  ? mark_held_locks+0x46/0x90
<4>[  794.013551]  __iommu_map+0x119/0x2c0
<4>[  794.013557]  iommu_map_sg+0xbf/0x210
<4>[  794.013562]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.013569]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.015758]  __x64_sys_ioctl+0xa4/0xe0
<4>[  794.015803] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.015959] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.015961] RAX: 0000000000000000 RBX: ffff888126b319e0 RCX: 0000000000000000
<4>[  794.015963] RDX: 0000000000000000 RSI: 0000000003d1633c RDI: 0000000000000000
<4>[  794.015964] RBP: ffffc90001a27378 R08: 00000000002f8b3b R09: 0000000000000001
<4>[  794.015966] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8c5
<4>[  794.015967] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b3b003
<4>[  794.015969] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.015971] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.015972] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.015974] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.015975] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.015977] Call Trace:
<4>[  794.015978]  <TASK>
<4>[  794.015979]  ? show_regs+0x6c/0x80
<4>[  794.015983]  ? __warn+0x93/0x1c0
<4>[  794.015986]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.015989]  ? report_bug+0x182/0x1b0
<4>[  794.015993]  ? handle_bug+0x6e/0xb0
<4>[  794.015995]  ? exc_invalid_op+0x18/0x80
<4>[  794.015997]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.016004]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.016007]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.016009]  ? mark_held_locks+0x46/0x90
<4>[  794.016017]  __iommu_map+0x119/0x2c0
<4>[  794.016023]  iommu_map_sg+0xbf/0x210
<4>[  794.016028]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.016042]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.018295] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.018454] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.018456] RAX: 0000000000000000 RBX: ffff888126b319e8 RCX: 0000000000000000
<4>[  794.018458] RDX: 0000000000000000 RSI: 0000000003d1633d RDI: 0000000000000000
<4>[  794.018459] RBP: ffffc90001a27378 R08: 00000000002f8b3c R09: 0000000000000001
<4>[  794.018461] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8c4
<4>[  794.018462] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b3c003
<4>[  794.018464] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.018465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.018467] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.018469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.018470] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.018471] Call Trace:
<4>[  794.018473]  <TASK>
<4>[  794.018474]  ? show_regs+0x6c/0x80
<4>[  794.018477]  ? __warn+0x93/0x1c0
<4>[  794.018480]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.018483]  ? report_bug+0x182/0x1b0
<4>[  794.018487]  ? handle_bug+0x6e/0xb0
<4>[  794.018489]  ? exc_invalid_op+0x18/0x80
<4>[  794.018492]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.018498]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.018501]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.018504]  ? mark_held_locks+0x46/0x90
<4>[  794.018511]  __iommu_map+0x119/0x2c0
<4>[  794.018518]  iommu_map_sg+0xbf/0x210
<4>[  794.018523]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.018533]  dma_map_sgtable+0x1d/0x40
<4>[  794.020755]  ? clear_bhb_loop+0x15/0x70
<4>[  794.020783]  </TASK>
<4>[  794.020791] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.020937] RAX: 0000000000000000 RBX: ffff888126b319f0 RCX: 0000000000000000
<4>[  794.020939] RDX: 0000000000000000 RSI: 0000000003d1633e RDI: 0000000000000000
<4>[  794.020940] RBP: ffffc90001a27378 R08: 00000000002f8b3d R09: 0000000000000001
<4>[  794.020942] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8c3
<4>[  794.020943] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b3d003
<4>[  794.020945] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.020946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.020948] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.020949] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.020951] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.020952] Call Trace:
<4>[  794.020954]  <TASK>
<4>[  794.020955]  ? show_regs+0x6c/0x80
<4>[  794.020958]  ? __warn+0x93/0x1c0
<4>[  794.020961]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.020964]  ? report_bug+0x182/0x1b0
<4>[  794.020968]  ? handle_bug+0x6e/0xb0
<4>[  794.020970]  ? exc_invalid_op+0x18/0x80
<4>[  794.020973]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.020979]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.020982]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.020984]  ? mark_held_locks+0x46/0x90
<4>[  794.020992]  __iommu_map+0x119/0x2c0
<4>[  794.020998]  iommu_map_sg+0xbf/0x210
<4>[  794.021003]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.021010]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.023238]  ? clear_bhb_loop+0x15/0x70
<4>[  794.023264]  </TASK>
<4>[  794.023271] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.023411] RAX: 0000000000000000 RBX: ffff888126b319f8 RCX: 0000000000000000
<4>[  794.023412] RDX: 0000000000000000 RSI: 0000000003d1633f RDI: 0000000000000000
<4>[  794.023414] RBP: ffffc90001a27378 R08: 00000000002f8b3e R09: 0000000000000001
<4>[  794.023415] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8c2
<4>[  794.023417] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b3e003
<4>[  794.023418] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.023420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.023421] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.023423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.023425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.023426] Call Trace:
<4>[  794.023427]  <TASK>
<4>[  794.023429]  ? show_regs+0x6c/0x80
<4>[  794.023432]  ? __warn+0x93/0x1c0
<4>[  794.023435]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.023438]  ? report_bug+0x182/0x1b0
<4>[  794.023442]  ? handle_bug+0x6e/0xb0
<4>[  794.023444]  ? exc_invalid_op+0x18/0x80
<4>[  794.023447]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.023453]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.023456]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.023458]  ? mark_held_locks+0x46/0x90
<4>[  794.023466]  __iommu_map+0x119/0x2c0
<4>[  794.023472]  iommu_map_sg+0xbf/0x210
<4>[  794.023477]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.023645]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  794.025736] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.025898] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.025903] RDX: 0000000000000000 RSI: 0000000003d16340 RDI: 0000000000000000
<4>[  794.025905] RBP: ffffc90001a27378 R08: 00000000002f8b3f R09: 0000000000000001
<4>[  794.025906] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8c1
<4>[  794.025908] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b3f003
<4>[  794.025909] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.025911] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.025913] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.025914] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.025916] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.025917] Call Trace:
<4>[  794.025918]  <TASK>
<4>[  794.025920]  ? show_regs+0x6c/0x80
<4>[  794.025923]  ? __warn+0x93/0x1c0
<4>[  794.025927]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.025930]  ? report_bug+0x182/0x1b0
<4>[  794.025934]  ? handle_bug+0x6e/0xb0
<4>[  794.025936]  ? exc_invalid_op+0x18/0x80
<4>[  794.025938]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.025945]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.025947]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.025950]  ? mark_held_locks+0x46/0x90
<4>[  794.025964]  iommu_map_sg+0xbf/0x210
<4>[  794.028198]  ? clear_bhb_loop+0x15/0x70
<4>[  794.028216] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.028368] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.028371] RAX: 0000000000000000 RBX: ffff888126b31a08 RCX: 0000000000000000
<4>[  794.028372] RDX: 0000000000000000 RSI: 0000000003d16341 RDI: 0000000000000000
<4>[  794.028373] RBP: ffffc90001a27378 R08: 00000000002f8b40 R09: 0000000000000001
<4>[  794.028375] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8c0
<4>[  794.028376] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b40003
<4>[  794.028378] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.028380] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.028381] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.028383] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.028385] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.028386] Call Trace:
<4>[  794.028387]  <TASK>
<4>[  794.028389]  ? show_regs+0x6c/0x80
<4>[  794.028392]  ? __warn+0x93/0x1c0
<4>[  794.028395]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.028398]  ? report_bug+0x182/0x1b0
<4>[  794.028402]  ? handle_bug+0x6e/0xb0
<4>[  794.028404]  ? exc_invalid_op+0x18/0x80
<4>[  794.028406]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.028413]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.028415]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.028418]  ? mark_held_locks+0x46/0x90
<4>[  794.028425]  __iommu_map+0x119/0x2c0
<4>[  794.028432]  iommu_map_sg+0xbf/0x210
<4>[  794.028437]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.030161]  ? __lock_acquire+0x442/0x2810
<4>[  794.030678] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.030843] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.030846] RAX: 0000000000000000 RBX: ffff888126b31a10 RCX: 0000000000000000
<4>[  794.030847] RDX: 0000000000000000 RSI: 0000000003d16342 RDI: 0000000000000000
<4>[  794.030848] RBP: ffffc90001a27378 R08: 00000000002f8b41 R09: 0000000000000001
<4>[  794.030850] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8bf
<4>[  794.030851] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b41003
<4>[  794.030853] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.030855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.030857] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.030858] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.030860] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.030861] Call Trace:
<4>[  794.030863]  <TASK>
<4>[  794.030864]  ? show_regs+0x6c/0x80
<4>[  794.030868]  ? __warn+0x93/0x1c0
<4>[  794.030871]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.030874]  ? report_bug+0x182/0x1b0
<4>[  794.030878]  ? handle_bug+0x6e/0xb0
<4>[  794.030880]  ? exc_invalid_op+0x18/0x80
<4>[  794.030882]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.030889]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.030892]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.030894]  ? mark_held_locks+0x46/0x90
<4>[  794.030902]  __iommu_map+0x119/0x2c0
<4>[  794.030908]  iommu_map_sg+0xbf/0x210
<4>[  794.030913]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.030919]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.033147]  ? clear_bhb_loop+0x15/0x70
<4>[  794.033177] hardirqs last  enabled at (245244227): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.033320] RAX: 0000000000000000 RBX: ffff888126b31a18 RCX: 0000000000000000
<4>[  794.033322] RDX: 0000000000000000 RSI: 0000000003d16343 RDI: 0000000000000000
<4>[  794.033323] RBP: ffffc90001a27378 R08: 00000000002f8b42 R09: 0000000000000001
<4>[  794.033325] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8be
<4>[  794.033326] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b42003
<4>[  794.033328] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.033330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.033331] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.033333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.033334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.033336] Call Trace:
<4>[  794.033337]  <TASK>
<4>[  794.033339]  ? show_regs+0x6c/0x80
<4>[  794.033342]  ? __warn+0x93/0x1c0
<4>[  794.033345]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.033348]  ? report_bug+0x182/0x1b0
<4>[  794.033351]  ? handle_bug+0x6e/0xb0
<4>[  794.033354]  ? exc_invalid_op+0x18/0x80
<4>[  794.033356]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.033362]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.033365]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.033368]  ? mark_held_locks+0x46/0x90
<4>[  794.033375]  __iommu_map+0x119/0x2c0
<4>[  794.033381]  iommu_map_sg+0xbf/0x210
<4>[  794.033386]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.033393]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.035630]  ? clear_bhb_loop+0x15/0x70
<4>[  794.035648] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.035807] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.035811] RDX: 0000000000000000 RSI: 0000000003d16344 RDI: 0000000000000000
<4>[  794.035812] RBP: ffffc90001a27378 R08: 00000000002f8b43 R09: 0000000000000001
<4>[  794.035814] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8bd
<4>[  794.035815] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b43003
<4>[  794.035817] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.035819] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.035820] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.035822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.035823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.035825] Call Trace:
<4>[  794.035826]  <TASK>
<4>[  794.035828]  ? show_regs+0x6c/0x80
<4>[  794.035831]  ? __warn+0x93/0x1c0
<4>[  794.035834]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.035837]  ? report_bug+0x182/0x1b0
<4>[  794.035841]  ? handle_bug+0x6e/0xb0
<4>[  794.035843]  ? exc_invalid_op+0x18/0x80
<4>[  794.035846]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.035852]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.035855]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.035857]  ? mark_held_locks+0x46/0x90
<4>[  794.035865]  __iommu_map+0x119/0x2c0
<4>[  794.035871]  iommu_map_sg+0xbf/0x210
<4>[  794.035876]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.035883]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.035887]  dma_map_sgtable+0x1d/0x40
<4>[  794.036202]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.038141] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.038296] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.038302] RAX: 0000000000000000 RBX: ffff888126b31a28 RCX: 0000000000000000
<4>[  794.038304] RDX: 0000000000000000 RSI: 0000000003d16345 RDI: 0000000000000000
<4>[  794.038305] RBP: ffffc90001a27378 R08: 00000000002f8b44 R09: 0000000000000001
<4>[  794.038307] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8bc
<4>[  794.038308] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b44003
<4>[  794.038310] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.038311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.038313] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.038315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.038316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.038318] Call Trace:
<4>[  794.038319]  <TASK>
<4>[  794.038321]  ? show_regs+0x6c/0x80
<4>[  794.038324]  ? __warn+0x93/0x1c0
<4>[  794.038327]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.038330]  ? report_bug+0x182/0x1b0
<4>[  794.038333]  ? handle_bug+0x6e/0xb0
<4>[  794.038336]  ? exc_invalid_op+0x18/0x80
<4>[  794.038338]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.038344]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.038347]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.038350]  ? mark_held_locks+0x46/0x90
<4>[  794.038357]  __iommu_map+0x119/0x2c0
<4>[  794.038364]  iommu_map_sg+0xbf/0x210
<4>[  794.038368]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.038375]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.040607]  ? clear_bhb_loop+0x15/0x70
<4>[  794.040636] hardirqs last  enabled at (245247781): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.040779] RAX: 0000000000000000 RBX: ffff888126b31a30 RCX: 0000000000000000
<4>[  794.040780] RDX: 0000000000000000 RSI: 0000000003d16346 RDI: 0000000000000000
<4>[  794.040782] RBP: ffffc90001a27378 R08: 00000000002f8b45 R09: 0000000000000001
<4>[  794.040783] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8bb
<4>[  794.040785] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b45003
<4>[  794.040786] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.040788] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.040790] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.040791] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.040793] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.040799] Call Trace:
<4>[  794.040800]  <TASK>
<4>[  794.040802]  ? show_regs+0x6c/0x80
<4>[  794.040805]  ? __warn+0x93/0x1c0
<4>[  794.040808]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.040811]  ? report_bug+0x182/0x1b0
<4>[  794.040815]  ? handle_bug+0x6e/0xb0
<4>[  794.040817]  ? exc_invalid_op+0x18/0x80
<4>[  794.040820]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.040826]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.040829]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.040831]  ? mark_held_locks+0x46/0x90
<4>[  794.040839]  __iommu_map+0x119/0x2c0
<4>[  794.040845]  iommu_map_sg+0xbf/0x210
<4>[  794.040850]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.040856]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.043092]  ? clear_bhb_loop+0x15/0x70
<4>[  794.043111] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.043263] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.043265] RAX: 0000000000000000 RBX: ffff888126b31a38 RCX: 0000000000000000
<4>[  794.043266] RDX: 0000000000000000 RSI: 0000000003d16347 RDI: 0000000000000000
<4>[  794.043268] RBP: ffffc90001a27378 R08: 00000000002f8b46 R09: 0000000000000001
<4>[  794.043269] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ba
<4>[  794.043271] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b46003
<4>[  794.043272] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.043274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.043276] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.043277] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.043279] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.043280] Call Trace:
<4>[  794.043282]  <TASK>
<4>[  794.043283]  ? show_regs+0x6c/0x80
<4>[  794.043286]  ? __warn+0x93/0x1c0
<4>[  794.043289]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.043292]  ? report_bug+0x182/0x1b0
<4>[  794.043296]  ? handle_bug+0x6e/0xb0
<4>[  794.043298]  ? exc_invalid_op+0x18/0x80
<4>[  794.043301]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.043307]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.043310]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.043313]  ? mark_held_locks+0x46/0x90
<4>[  794.043320]  __iommu_map+0x119/0x2c0
<4>[  794.043326]  iommu_map_sg+0xbf/0x210
<4>[  794.043332]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.043965]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  794.045592]  </TASK>
<4>[  794.045599] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.045738] RAX: 0000000000000000 RBX: ffff888126b31a40 RCX: 0000000000000000
<4>[  794.045740] RDX: 0000000000000000 RSI: 0000000003d16348 RDI: 0000000000000000
<4>[  794.045741] RBP: ffffc90001a27378 R08: 00000000002f8b47 R09: 0000000000000001
<4>[  794.045743] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8b9
<4>[  794.045744] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b47003
<4>[  794.045746] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.045748] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.045749] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.045751] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.045752] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.045754] Call Trace:
<4>[  794.045755]  <TASK>
<4>[  794.045757]  ? show_regs+0x6c/0x80
<4>[  794.045760]  ? __warn+0x93/0x1c0
<4>[  794.045763]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.045766]  ? report_bug+0x182/0x1b0
<4>[  794.045770]  ? handle_bug+0x6e/0xb0
<4>[  794.045772]  ? exc_invalid_op+0x18/0x80
<4>[  794.045774]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.045781]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.045783]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.045786]  ? mark_held_locks+0x46/0x90
<4>[  794.045799]  __iommu_map+0x119/0x2c0
<4>[  794.045805]  iommu_map_sg+0xbf/0x210
<4>[  794.045810]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.046133]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.048069] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.048222] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.048228] RAX: 0000000000000000 RBX: ffff888126b31a48 RCX: 0000000000000000
<4>[  794.048230] RDX: 0000000000000000 RSI: 0000000003d16349 RDI: 0000000000000000
<4>[  794.048231] RBP: ffffc90001a27378 R08: 00000000002f8b48 R09: 0000000000000001
<4>[  794.048233] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8b8
<4>[  794.048234] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b48003
<4>[  794.048236] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.048238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.048239] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.048241] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.048242] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.048244] Call Trace:
<4>[  794.048245]  <TASK>
<4>[  794.048246]  ? show_regs+0x6c/0x80
<4>[  794.048249]  ? __warn+0x93/0x1c0
<4>[  794.048252]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.048256]  ? report_bug+0x182/0x1b0
<4>[  794.048259]  ? handle_bug+0x6e/0xb0
<4>[  794.048262]  ? exc_invalid_op+0x18/0x80
<4>[  794.048264]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.048270]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.048273]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.048276]  ? mark_held_locks+0x46/0x90
<4>[  794.048283]  __iommu_map+0x119/0x2c0
<4>[  794.048289]  iommu_map_sg+0xbf/0x210
<4>[  794.048294]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.048301]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.050538]  ? clear_bhb_loop+0x15/0x70
<4>[  794.050568] hardirqs last  enabled at (245252521): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.050710] RAX: 0000000000000000 RBX: ffff888126b31a50 RCX: 0000000000000000
<4>[  794.050712] RDX: 0000000000000000 RSI: 0000000003d1634a RDI: 0000000000000000
<4>[  794.050713] RBP: ffffc90001a27378 R08: 00000000002f8b49 R09: 0000000000000001
<4>[  794.050715] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8b7
<4>[  794.050716] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b49003
<4>[  794.050718] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.050719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.050721] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.050723] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.050724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.050726] Call Trace:
<4>[  794.050727]  <TASK>
<4>[  794.050729]  ? show_regs+0x6c/0x80
<4>[  794.050732]  ? __warn+0x93/0x1c0
<4>[  794.050735]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.050738]  ? report_bug+0x182/0x1b0
<4>[  794.050742]  ? handle_bug+0x6e/0xb0
<4>[  794.050744]  ? exc_invalid_op+0x18/0x80
<4>[  794.050746]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.050752]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.050755]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.050758]  ? mark_held_locks+0x46/0x90
<4>[  794.050765]  __iommu_map+0x119/0x2c0
<4>[  794.050771]  iommu_map_sg+0xbf/0x210
<4>[  794.050776]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.050783]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.053035]  ? clear_bhb_loop+0x15/0x70
<4>[  794.053054] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  794.053205] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.053209] RDX: 0000000000000000 RSI: 0000000003d1634b RDI: 0000000000000000
<4>[  794.053211] RBP: ffffc90001a27378 R08: 00000000002f8b4a R09: 0000000000000001
<4>[  794.053212] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8b6
<4>[  794.053214] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b4a003
<4>[  794.053215] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.053217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.053218] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.053220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.053221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.053223] Call Trace:
<4>[  794.053224]  <TASK>
<4>[  794.053226]  ? show_regs+0x6c/0x80
<4>[  794.053229]  ? __warn+0x93/0x1c0
<4>[  794.053232]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.053235]  ? report_bug+0x182/0x1b0
<4>[  794.053239]  ? handle_bug+0x6e/0xb0
<4>[  794.053241]  ? exc_invalid_op+0x18/0x80
<4>[  794.053244]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.053250]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.053253]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.053255]  ? mark_held_locks+0x46/0x90
<4>[  794.053262]  __iommu_map+0x119/0x2c0
<4>[  794.053269]  iommu_map_sg+0xbf/0x210
<4>[  794.053274]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.053280]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.053284]  dma_map_sgtable+0x1d/0x40
<4>[  794.055008]  ? __lock_acquire+0x442/0x2810
<4>[  794.055526] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.055686] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.055689] RAX: 0000000000000000 RBX: ffff888126b31a60 RCX: 0000000000000000
<4>[  794.055690] RDX: 0000000000000000 RSI: 0000000003d1634c RDI: 0000000000000000
<4>[  794.055692] RBP: ffffc90001a27378 R08: 00000000002f8b4b R09: 0000000000000001
<4>[  794.055693] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8b5
<4>[  794.055695] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b4b003
<4>[  794.055696] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.055698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.055700] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.055701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.055703] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.055704] Call Trace:
<4>[  794.055706]  <TASK>
<4>[  794.055707]  ? show_regs+0x6c/0x80
<4>[  794.055711]  ? __warn+0x93/0x1c0
<4>[  794.055714]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.055717]  ? report_bug+0x182/0x1b0
<4>[  794.055720]  ? handle_bug+0x6e/0xb0
<4>[  794.055723]  ? exc_invalid_op+0x18/0x80
<4>[  794.055725]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.055731]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.055734]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.055737]  ? mark_held_locks+0x46/0x90
<4>[  794.055744]  __iommu_map+0x119/0x2c0
<4>[  794.055751]  iommu_map_sg+0xbf/0x210
<4>[  794.055756]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.055769]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.058022] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.058177] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.058180] RAX: 0000000000000000 RBX: ffff888126b31a68 RCX: 0000000000000000
<4>[  794.058181] RDX: 0000000000000000 RSI: 0000000003d1634d RDI: 0000000000000000
<4>[  794.058183] RBP: ffffc90001a27378 R08: 00000000002f8b4c R09: 0000000000000001
<4>[  794.058184] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8b4
<4>[  794.058186] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b4c003
<4>[  794.058187] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.058189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.058190] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.058192] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.058193] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.058195] Call Trace:
<4>[  794.058196]  <TASK>
<4>[  794.058198]  ? show_regs+0x6c/0x80
<4>[  794.058201]  ? __warn+0x93/0x1c0
<4>[  794.058204]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.058207]  ? report_bug+0x182/0x1b0
<4>[  794.058211]  ? handle_bug+0x6e/0xb0
<4>[  794.058213]  ? exc_invalid_op+0x18/0x80
<4>[  794.058215]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.058222]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.058224]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.058227]  ? mark_held_locks+0x46/0x90
<4>[  794.058234]  __iommu_map+0x119/0x2c0
<4>[  794.058241]  iommu_map_sg+0xbf/0x210
<4>[  794.058246]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.058568]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.060511] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.060667] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.060672] RDX: 0000000000000000 RSI: 0000000003d1634e RDI: 0000000000000000
<4>[  794.060674] RBP: ffffc90001a27378 R08: 00000000002f8b4d R09: 0000000000000001
<4>[  794.060675] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8b3
<4>[  794.060677] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b4d003
<4>[  794.060678] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.060680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.060681] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.060683] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.060685] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.060686] Call Trace:
<4>[  794.060687]  <TASK>
<4>[  794.060689]  ? show_regs+0x6c/0x80
<4>[  794.060692]  ? __warn+0x93/0x1c0
<4>[  794.060695]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.060698]  ? report_bug+0x182/0x1b0
<4>[  794.060702]  ? handle_bug+0x6e/0xb0
<4>[  794.060704]  ? exc_invalid_op+0x18/0x80
<4>[  794.060707]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.060713]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.060716]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.060718]  ? mark_held_locks+0x46/0x90
<4>[  794.060743]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.062979]  ? clear_bhb_loop+0x15/0x70
<4>[  794.063011] hardirqs last disabled at (245258452): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.063152] RAX: 0000000000000000 RBX: ffff888126b31a78 RCX: 0000000000000000
<4>[  794.063153] RDX: 0000000000000000 RSI: 0000000003d1634f RDI: 0000000000000000
<4>[  794.063155] RBP: ffffc90001a27378 R08: 00000000002f8b4e R09: 0000000000000001
<4>[  794.063156] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8b2
<4>[  794.063158] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b4e003
<4>[  794.063159] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.063161] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.063163] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.063164] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.063166] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.063167] Call Trace:
<4>[  794.063169]  <TASK>
<4>[  794.063170]  ? show_regs+0x6c/0x80
<4>[  794.063173]  ? __warn+0x93/0x1c0
<4>[  794.063176]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.063179]  ? report_bug+0x182/0x1b0
<4>[  794.063183]  ? handle_bug+0x6e/0xb0
<4>[  794.063185]  ? exc_invalid_op+0x18/0x80
<4>[  794.063188]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.063194]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.063197]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.063199]  ? mark_held_locks+0x46/0x90
<4>[  794.063207]  __iommu_map+0x119/0x2c0
<4>[  794.063213]  iommu_map_sg+0xbf/0x210
<4>[  794.063218]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.063224]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.065459]  ? clear_bhb_loop+0x15/0x70
<4>[  794.065479] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  794.065630] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.065634] RDX: 0000000000000000 RSI: 0000000003d16350 RDI: 0000000000000000
<4>[  794.065635] RBP: ffffc90001a27378 R08: 00000000002f8b4f R09: 0000000000000001
<4>[  794.065637] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8b1
<4>[  794.065638] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b4f003
<4>[  794.065640] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.065642] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.065643] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.065645] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.065646] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.065648] Call Trace:
<4>[  794.065649]  <TASK>
<4>[  794.065651]  ? show_regs+0x6c/0x80
<4>[  794.065654]  ? __warn+0x93/0x1c0
<4>[  794.065657]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.065660]  ? report_bug+0x182/0x1b0
<4>[  794.065663]  ? handle_bug+0x6e/0xb0
<4>[  794.065666]  ? exc_invalid_op+0x18/0x80
<4>[  794.065668]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.065674]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.065677]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.065680]  ? mark_held_locks+0x46/0x90
<4>[  794.065687]  __iommu_map+0x119/0x2c0
<4>[  794.065693]  iommu_map_sg+0xbf/0x210
<4>[  794.065698]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.065705]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.065709]  dma_map_sgtable+0x1d/0x40
<4>[  794.067446]  ? find_held_lock+0x31/0x90
<4>[  794.067960] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.068122] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.068124] RAX: 0000000000000000 RBX: ffff888126b31a88 RCX: 0000000000000000
<4>[  794.068126] RDX: 0000000000000000 RSI: 0000000003d16351 RDI: 0000000000000000
<4>[  794.068127] RBP: ffffc90001a27378 R08: 00000000002f8b50 R09: 0000000000000001
<4>[  794.068129] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8b0
<4>[  794.068130] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b50003
<4>[  794.068132] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.068133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.068135] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.068137] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.068138] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.068140] Call Trace:
<4>[  794.068141]  <TASK>
<4>[  794.068142]  ? show_regs+0x6c/0x80
<4>[  794.068146]  ? __warn+0x93/0x1c0
<4>[  794.068149]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.068152]  ? report_bug+0x182/0x1b0
<4>[  794.068156]  ? handle_bug+0x6e/0xb0
<4>[  794.068158]  ? exc_invalid_op+0x18/0x80
<4>[  794.068160]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.068166]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.068169]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.068172]  ? mark_held_locks+0x46/0x90
<4>[  794.068179]  __iommu_map+0x119/0x2c0
<4>[  794.068186]  iommu_map_sg+0xbf/0x210
<4>[  794.068191]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.068516]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.070467] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.070622] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.070628] RDX: 0000000000000000 RSI: 0000000003d16352 RDI: 0000000000000000
<4>[  794.070629] RBP: ffffc90001a27378 R08: 00000000002f8b51 R09: 0000000000000001
<4>[  794.070631] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8af
<4>[  794.070632] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b51003
<4>[  794.070634] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.070635] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.070637] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.070638] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.070640] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.070641] Call Trace:
<4>[  794.070643]  <TASK>
<4>[  794.070644]  ? show_regs+0x6c/0x80
<4>[  794.070648]  ? __warn+0x93/0x1c0
<4>[  794.070651]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.070654]  ? report_bug+0x182/0x1b0
<4>[  794.070658]  ? handle_bug+0x6e/0xb0
<4>[  794.070660]  ? exc_invalid_op+0x18/0x80
<4>[  794.070662]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.070668]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.070671]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.070674]  ? mark_held_locks+0x46/0x90
<4>[  794.071022]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.072943] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.073099] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.073104] RDX: 0000000000000000 RSI: 0000000003d16353 RDI: 0000000000000000
<4>[  794.073106] RBP: ffffc90001a27378 R08: 00000000002f8b52 R09: 0000000000000001
<4>[  794.073107] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ae
<4>[  794.073109] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b52003
<4>[  794.073110] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.073112] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.073113] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.073115] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.073116] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.073118] Call Trace:
<4>[  794.073119]  <TASK>
<4>[  794.073121]  ? show_regs+0x6c/0x80
<4>[  794.073124]  ? __warn+0x93/0x1c0
<4>[  794.073127]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.073130]  ? report_bug+0x182/0x1b0
<4>[  794.073134]  ? handle_bug+0x6e/0xb0
<4>[  794.073136]  ? exc_invalid_op+0x18/0x80
<4>[  794.073138]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.073145]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.073148]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.073150]  ? mark_held_locks+0x46/0x90
<4>[  794.073491]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.075421] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.075574] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.075580] RAX: 0000000000000000 RBX: ffff888126b31aa0 RCX: 0000000000000000
<4>[  794.075581] RDX: 0000000000000000 RSI: 0000000003d16354 RDI: 0000000000000000
<4>[  794.075583] RBP: ffffc90001a27378 R08: 00000000002f8b53 R09: 0000000000000001
<4>[  794.075584] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ad
<4>[  794.075586] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b53003
<4>[  794.075587] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.075589] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.075591] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.075592] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.075594] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.075595] Call Trace:
<4>[  794.075596]  <TASK>
<4>[  794.075598]  ? show_regs+0x6c/0x80
<4>[  794.075601]  ? __warn+0x93/0x1c0
<4>[  794.075604]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.075607]  ? report_bug+0x182/0x1b0
<4>[  794.075611]  ? handle_bug+0x6e/0xb0
<4>[  794.075613]  ? exc_invalid_op+0x18/0x80
<4>[  794.075616]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.075622]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.075625]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.075627]  ? mark_held_locks+0x46/0x90
<4>[  794.075635]  __iommu_map+0x119/0x2c0
<4>[  794.075641]  iommu_map_sg+0xbf/0x210
<4>[  794.075646]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.075660]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.077919] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.078076] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.078078] RAX: 0000000000000000 RBX: ffff888126b31aa8 RCX: 0000000000000000
<4>[  794.078080] RDX: 0000000000000000 RSI: 0000000003d16355 RDI: 0000000000000000
<4>[  794.078081] RBP: ffffc90001a27378 R08: 00000000002f8b54 R09: 0000000000000001
<4>[  794.078082] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ac
<4>[  794.078084] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b54003
<4>[  794.078086] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.078087] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.078089] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.078090] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.078092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.078093] Call Trace:
<4>[  794.078095]  <TASK>
<4>[  794.078096]  ? show_regs+0x6c/0x80
<4>[  794.078099]  ? __warn+0x93/0x1c0
<4>[  794.078102]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.078105]  ? report_bug+0x182/0x1b0
<4>[  794.078109]  ? handle_bug+0x6e/0xb0
<4>[  794.078111]  ? exc_invalid_op+0x18/0x80
<4>[  794.078114]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.078120]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.078123]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.078125]  ? mark_held_locks+0x46/0x90
<4>[  794.078133]  __iommu_map+0x119/0x2c0
<4>[  794.078139]  iommu_map_sg+0xbf/0x210
<4>[  794.078144]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.078624]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  794.080385] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.080539] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.080545] RDX: 0000000000000000 RSI: 0000000003d16356 RDI: 0000000000000000
<4>[  794.080546] RBP: ffffc90001a27378 R08: 00000000002f8b55 R09: 0000000000000001
<4>[  794.080548] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8ab
<4>[  794.080549] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b55003
<4>[  794.080551] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.080552] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.080554] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.080556] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.080557] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.080558] Call Trace:
<4>[  794.080560]  <TASK>
<4>[  794.080561]  ? show_regs+0x6c/0x80
<4>[  794.080564]  ? __warn+0x93/0x1c0
<4>[  794.080567]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.080570]  ? report_bug+0x182/0x1b0
<4>[  794.080574]  ? handle_bug+0x6e/0xb0
<4>[  794.080577]  ? exc_invalid_op+0x18/0x80
<4>[  794.080579]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.080586]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.080588]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.080591]  ? mark_held_locks+0x46/0x90
<4>[  794.080610]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.082851]  ? clear_bhb_loop+0x15/0x70
<4>[  794.082877]  </TASK>
<4>[  794.082885] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.083025] RAX: 0000000000000000 RBX: ffff888126b31ab8 RCX: 0000000000000000
<4>[  794.083027] RDX: 0000000000000000 RSI: 0000000003d16357 RDI: 0000000000000000
<4>[  794.083028] RBP: ffffc90001a27378 R08: 00000000002f8b56 R09: 0000000000000001
<4>[  794.083029] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8aa
<4>[  794.083031] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b56003
<4>[  794.083033] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.083034] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.083036] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.083037] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.083039] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.083040] Call Trace:
<4>[  794.083042]  <TASK>
<4>[  794.083043]  ? show_regs+0x6c/0x80
<4>[  794.083047]  ? __warn+0x93/0x1c0
<4>[  794.083050]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.083053]  ? report_bug+0x182/0x1b0
<4>[  794.083057]  ? handle_bug+0x6e/0xb0
<4>[  794.083059]  ? exc_invalid_op+0x18/0x80
<4>[  794.083062]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.083068]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.083071]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.083073]  ? mark_held_locks+0x46/0x90
<4>[  794.083081]  __iommu_map+0x119/0x2c0
<4>[  794.083087]  iommu_map_sg+0xbf/0x210
<4>[  794.083092]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.083416]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.085359] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.085515] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.085517] RAX: 0000000000000000 RBX: ffff888126b31ac0 RCX: 0000000000000000
<4>[  794.085519] RDX: 0000000000000000 RSI: 0000000003d16358 RDI: 0000000000000000
<4>[  794.085520] RBP: ffffc90001a27378 R08: 00000000002f8b57 R09: 0000000000000001
<4>[  794.085522] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8a9
<4>[  794.085523] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b57003
<4>[  794.085525] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.085526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.085528] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.085530] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.085531] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.085533] Call Trace:
<4>[  794.085534]  <TASK>
<4>[  794.085536]  ? show_regs+0x6c/0x80
<4>[  794.085539]  ? __warn+0x93/0x1c0
<4>[  794.085542]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.085545]  ? report_bug+0x182/0x1b0
<4>[  794.085549]  ? handle_bug+0x6e/0xb0
<4>[  794.085551]  ? exc_invalid_op+0x18/0x80
<4>[  794.085553]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.085560]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.085562]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.085565]  ? mark_held_locks+0x46/0x90
<4>[  794.085572]  __iommu_map+0x119/0x2c0
<4>[  794.085579]  iommu_map_sg+0xbf/0x210
<4>[  794.085584]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.085595]  dma_map_sgtable+0x1d/0x40
<4>[  794.087840]  ? clear_bhb_loop+0x15/0x70
<4>[  794.087868] irq event stamp: 245270291
<4>[  794.087982]  nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi acpi_tad pmt_telemetry pmt_class intel_vsec acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  794.088016] RDX: 0000000000000000 RSI: 0000000003d16359 RDI: 0000000000000000
<4>[  794.088017] RBP: ffffc90001a27378 R08: 00000000002f8b58 R09: 0000000000000001
<4>[  794.088019] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8a8
<4>[  794.088020] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b58003
<4>[  794.088022] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.088023] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.088025] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.088027] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.088028] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.088029] Call Trace:
<4>[  794.088031]  <TASK>
<4>[  794.088032]  ? show_regs+0x6c/0x80
<4>[  794.088035]  ? __warn+0x93/0x1c0
<4>[  794.088038]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.088041]  ? report_bug+0x182/0x1b0
<4>[  794.088045]  ? handle_bug+0x6e/0xb0
<4>[  794.088048]  ? exc_invalid_op+0x18/0x80
<4>[  794.088050]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.088056]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.088059]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.088062]  ? mark_held_locks+0x46/0x90
<4>[  794.089780]  ? lock_acquire+0xc9/0x300
<4>[  794.090325] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.090484] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.090486] RAX: 0000000000000000 RBX: ffff888126b31ad0 RCX: 0000000000000000
<4>[  794.090488] RDX: 0000000000000000 RSI: 0000000003d1635a RDI: 0000000000000000
<4>[  794.090489] RBP: ffffc90001a27378 R08: 00000000002f8b59 R09: 0000000000000001
<4>[  794.090491] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8a7
<4>[  794.090492] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b59003
<4>[  794.090494] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.090496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.090497] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.090499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.090500] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.090502] Call Trace:
<4>[  794.090503]  <TASK>
<4>[  794.090505]  ? show_regs+0x6c/0x80
<4>[  794.090508]  ? __warn+0x93/0x1c0
<4>[  794.090511]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.090514]  ? report_bug+0x182/0x1b0
<4>[  794.090518]  ? handle_bug+0x6e/0xb0
<4>[  794.090520]  ? exc_invalid_op+0x18/0x80
<4>[  794.090522]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.090529]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.090531]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.090534]  ? mark_held_locks+0x46/0x90
<4>[  794.090541]  __iommu_map+0x119/0x2c0
<4>[  794.090548]  iommu_map_sg+0xbf/0x210
<4>[  794.090553]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.090563]  dma_map_sgtable+0x1d/0x40
<4>[  794.092825]  ? clear_bhb_loop+0x15/0x70
<4>[  794.092853] irq event stamp: 245272661
<4>[  794.092967]  nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi acpi_tad pmt_telemetry pmt_class intel_vsec acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  794.093001] RDX: 0000000000000000 RSI: 0000000003d1635b RDI: 0000000000000000
<4>[  794.093002] RBP: ffffc90001a27378 R08: 00000000002f8b5a R09: 0000000000000001
<4>[  794.093004] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8a6
<4>[  794.093005] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b5a003
<4>[  794.093007] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.093009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.093010] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.093012] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.093013] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.093015] Call Trace:
<4>[  794.093016]  <TASK>
<4>[  794.093018]  ? show_regs+0x6c/0x80
<4>[  794.093021]  ? __warn+0x93/0x1c0
<4>[  794.093024]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.093027]  ? report_bug+0x182/0x1b0
<4>[  794.093031]  ? handle_bug+0x6e/0xb0
<4>[  794.093033]  ? exc_invalid_op+0x18/0x80
<4>[  794.093035]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.093041]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.093044]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.093047]  ? mark_held_locks+0x46/0x90
<4>[  794.094483]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  794.095326] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.095483] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.095488] RDX: 0000000000000000 RSI: 0000000003d1635c RDI: 0000000000000000
<4>[  794.095490] RBP: ffffc90001a27378 R08: 00000000002f8b5b R09: 0000000000000001
<4>[  794.095491] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8a5
<4>[  794.095493] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b5b003
<4>[  794.095494] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.095496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.095498] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.095499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.095501] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.095502] Call Trace:
<4>[  794.095504]  <TASK>
<4>[  794.095505]  ? show_regs+0x6c/0x80
<4>[  794.095508]  ? __warn+0x93/0x1c0
<4>[  794.095511]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.095514]  ? report_bug+0x182/0x1b0
<4>[  794.095518]  ? handle_bug+0x6e/0xb0
<4>[  794.095520]  ? exc_invalid_op+0x18/0x80
<4>[  794.095523]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.095529]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.095532]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.095534]  ? mark_held_locks+0x46/0x90
<4>[  794.096961]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  794.097816] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.097974] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.097976] RAX: 0000000000000000 RBX: ffff888126b31ae8 RCX: 0000000000000000
<4>[  794.097978] RDX: 0000000000000000 RSI: 0000000003d1635d RDI: 0000000000000000
<4>[  794.097979] RBP: ffffc90001a27378 R08: 00000000002f8b5c R09: 0000000000000001
<4>[  794.097981] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8a4
<4>[  794.097982] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b5c003
<4>[  794.097984] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.097986] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.097987] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.097989] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.097990] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.097992] Call Trace:
<4>[  794.097993]  <TASK>
<4>[  794.097995]  ? show_regs+0x6c/0x80
<4>[  794.097998]  ? __warn+0x93/0x1c0
<4>[  794.098001]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.098004]  ? report_bug+0x182/0x1b0
<4>[  794.098008]  ? handle_bug+0x6e/0xb0
<4>[  794.098010]  ? exc_invalid_op+0x18/0x80
<4>[  794.098012]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.098019]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.098021]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.098024]  ? mark_held_locks+0x46/0x90
<4>[  794.098031]  __iommu_map+0x119/0x2c0
<4>[  794.098038]  iommu_map_sg+0xbf/0x210
<4>[  794.098042]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.098053]  dma_map_sgtable+0x1d/0x40
<4>[  794.100326]  ? clear_bhb_loop+0x15/0x70
<4>[  794.100353]  </TASK>
<4>[  794.100361] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.100504] RAX: 0000000000000000 RBX: ffff888126b31af0 RCX: 0000000000000000
<4>[  794.100506] RDX: 0000000000000000 RSI: 0000000003d1635e RDI: 0000000000000000
<4>[  794.100507] RBP: ffffc90001a27378 R08: 00000000002f8b5d R09: 0000000000000001
<4>[  794.100509] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8a3
<4>[  794.100510] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b5d003
<4>[  794.100512] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.100514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.100515] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.100517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.100518] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.100520] Call Trace:
<4>[  794.100521]  <TASK>
<4>[  794.100523]  ? show_regs+0x6c/0x80
<4>[  794.100527]  ? __warn+0x93/0x1c0
<4>[  794.100530]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.100533]  ? report_bug+0x182/0x1b0
<4>[  794.100537]  ? handle_bug+0x6e/0xb0
<4>[  794.100539]  ? exc_invalid_op+0x18/0x80
<4>[  794.100541]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.100548]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.100550]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.100553]  ? mark_held_locks+0x46/0x90
<4>[  794.100561]  __iommu_map+0x119/0x2c0
<4>[  794.100567]  iommu_map_sg+0xbf/0x210
<4>[  794.100572]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.101214]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  794.102845] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  794.102997] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.103001] RDX: 0000000000000000 RSI: 0000000003d1635f RDI: 0000000000000000
<4>[  794.103002] RBP: ffffc90001a27378 R08: 00000000002f8b5e R09: 0000000000000001
<4>[  794.103004] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8a2
<4>[  794.103005] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b5e003
<4>[  794.103007] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.103009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.103010] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.103012] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.103013] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.103015] Call Trace:
<4>[  794.103016]  <TASK>
<4>[  794.103018]  ? show_regs+0x6c/0x80
<4>[  794.103021]  ? __warn+0x93/0x1c0
<4>[  794.103024]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.103027]  ? report_bug+0x182/0x1b0
<4>[  794.103031]  ? handle_bug+0x6e/0xb0
<4>[  794.103033]  ? exc_invalid_op+0x18/0x80
<4>[  794.103035]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.103042]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.103044]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.103047]  ? mark_held_locks+0x46/0x90
<4>[  794.103054]  __iommu_map+0x119/0x2c0
<4>[  794.103061]  iommu_map_sg+0xbf/0x210
<4>[  794.103066]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.103072]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.103077]  dma_map_sgtable+0x1d/0x40
<4>[  794.103387]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.105294] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.105447] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.105453] RAX: 0000000000000000 RBX: ffff888126b31b00 RCX: 0000000000000000
<4>[  794.105454] RDX: 0000000000000000 RSI: 0000000003d16360 RDI: 0000000000000000
<4>[  794.105456] RBP: ffffc90001a27378 R08: 00000000002f8b5f R09: 0000000000000001
<4>[  794.105457] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8a1
<4>[  794.105459] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b5f003
<4>[  794.105460] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.105462] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.105463] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.105465] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.105466] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.105468] Call Trace:
<4>[  794.105469]  <TASK>
<4>[  794.105471]  ? show_regs+0x6c/0x80
<4>[  794.105474]  ? __warn+0x93/0x1c0
<4>[  794.105477]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.105480]  ? report_bug+0x182/0x1b0
<4>[  794.105484]  ? handle_bug+0x6e/0xb0
<4>[  794.105486]  ? exc_invalid_op+0x18/0x80
<4>[  794.105488]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.105494]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.105497]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.105500]  ? mark_held_locks+0x46/0x90
<4>[  794.105507]  __iommu_map+0x119/0x2c0
<4>[  794.105513]  iommu_map_sg+0xbf/0x210
<4>[  794.105518]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.105529]  dma_map_sgtable+0x1d/0x40
<4>[  794.107737]  ? clear_bhb_loop+0x15/0x70
<4>[  794.107763]  </TASK>
<4>[  794.107770] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.107913] RAX: 0000000000000000 RBX: ffff888126b31b08 RCX: 0000000000000000
<4>[  794.107914] RDX: 0000000000000000 RSI: 0000000003d16361 RDI: 0000000000000000
<4>[  794.107916] RBP: ffffc90001a27378 R08: 00000000002f8b60 R09: 0000000000000001
<4>[  794.107917] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c8a0
<4>[  794.107919] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b60003
<4>[  794.107920] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.107922] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.107924] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.107925] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.107926] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.107928] Call Trace:
<4>[  794.107929]  <TASK>
<4>[  794.107931]  ? show_regs+0x6c/0x80
<4>[  794.107934]  ? __warn+0x93/0x1c0
<4>[  794.107937]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.107940]  ? report_bug+0x182/0x1b0
<4>[  794.107944]  ? handle_bug+0x6e/0xb0
<4>[  794.107946]  ? exc_invalid_op+0x18/0x80
<4>[  794.107949]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.107955]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.107958]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.107960]  ? mark_held_locks+0x46/0x90
<4>[  794.107968]  __iommu_map+0x119/0x2c0
<4>[  794.107974]  iommu_map_sg+0xbf/0x210
<4>[  794.107979]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.107990]  dma_map_sgtable+0x1d/0x40
<4>[  794.110217]  ? clear_bhb_loop+0x15/0x70
<4>[  794.110244]  </TASK>
<4>[  794.110252] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.110392] RAX: 0000000000000000 RBX: ffff888126b31b10 RCX: 0000000000000000
<4>[  794.110394] RDX: 0000000000000000 RSI: 0000000003d16362 RDI: 0000000000000000
<4>[  794.110395] RBP: ffffc90001a27378 R08: 00000000002f8b61 R09: 0000000000000001
<4>[  794.110397] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c89f
<4>[  794.110398] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b61003
<4>[  794.110400] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.110402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.110403] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.110405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.110406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.110408] Call Trace:
<4>[  794.110409]  <TASK>
<4>[  794.110411]  ? show_regs+0x6c/0x80
<4>[  794.110414]  ? __warn+0x93/0x1c0
<4>[  794.110417]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.110420]  ? report_bug+0x182/0x1b0
<4>[  794.110424]  ? handle_bug+0x6e/0xb0
<4>[  794.110426]  ? exc_invalid_op+0x18/0x80
<4>[  794.110429]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.110435]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.110438]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.110440]  ? mark_held_locks+0x46/0x90
<4>[  794.110448]  __iommu_map+0x119/0x2c0
<4>[  794.110454]  iommu_map_sg+0xbf/0x210
<4>[  794.110459]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.110466]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.112698]  ? clear_bhb_loop+0x15/0x70
<4>[  794.112727] hardirqs last  enabled at (245282145): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.112878] RAX: 0000000000000000 RBX: ffff888126b31b18 RCX: 0000000000000000
<4>[  794.112880] RDX: 0000000000000000 RSI: 0000000003d16363 RDI: 0000000000000000
<4>[  794.112882] RBP: ffffc90001a27378 R08: 00000000002f8b62 R09: 0000000000000001
<4>[  794.112883] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c89e
<4>[  794.112885] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b62003
<4>[  794.112886] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.112888] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.112890] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.112891] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.112893] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.112894] Call Trace:
<4>[  794.112896]  <TASK>
<4>[  794.112897]  ? show_regs+0x6c/0x80
<4>[  794.112900]  ? __warn+0x93/0x1c0
<4>[  794.112903]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.112906]  ? report_bug+0x182/0x1b0
<4>[  794.112911]  ? handle_bug+0x6e/0xb0
<4>[  794.112913]  ? exc_invalid_op+0x18/0x80
<4>[  794.112915]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.112922]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.112924]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.112927]  ? mark_held_locks+0x46/0x90
<4>[  794.112935]  __iommu_map+0x119/0x2c0
<4>[  794.112941]  iommu_map_sg+0xbf/0x210
<4>[  794.112946]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.112952]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.115178]  ? clear_bhb_loop+0x15/0x70
<4>[  794.115196] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.115348] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.115351] RAX: 0000000000000000 RBX: ffff888126b31b20 RCX: 0000000000000000
<4>[  794.115352] RDX: 0000000000000000 RSI: 0000000003d16364 RDI: 0000000000000000
<4>[  794.115354] RBP: ffffc90001a27378 R08: 00000000002f8b63 R09: 0000000000000001
<4>[  794.115355] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c89d
<4>[  794.115357] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b63003
<4>[  794.115358] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.115360] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.115362] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.115363] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.115365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.115366] Call Trace:
<4>[  794.115367]  <TASK>
<4>[  794.115369]  ? show_regs+0x6c/0x80
<4>[  794.115372]  ? __warn+0x93/0x1c0
<4>[  794.115375]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.115378]  ? report_bug+0x182/0x1b0
<4>[  794.115382]  ? handle_bug+0x6e/0xb0
<4>[  794.115384]  ? exc_invalid_op+0x18/0x80
<4>[  794.115386]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.115393]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.115395]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.115398]  ? mark_held_locks+0x46/0x90
<4>[  794.115405]  __iommu_map+0x119/0x2c0
<4>[  794.115411]  iommu_map_sg+0xbf/0x210
<4>[  794.115416]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.115427]  dma_map_sgtable+0x1d/0x40
<4>[  794.117649]  ? clear_bhb_loop+0x15/0x70
<4>[  794.117676]  </TASK>
<4>[  794.117683] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.117828] RAX: 0000000000000000 RBX: ffff888126b31b28 RCX: 0000000000000000
<4>[  794.117830] RDX: 0000000000000000 RSI: 0000000003d16365 RDI: 0000000000000000
<4>[  794.117831] RBP: ffffc90001a27378 R08: 00000000002f8b64 R09: 0000000000000001
<4>[  794.117833] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c89c
<4>[  794.117834] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b64003
<4>[  794.117836] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.117838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.117839] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.117841] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.117842] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.117844] Call Trace:
<4>[  794.117845]  <TASK>
<4>[  794.117847]  ? show_regs+0x6c/0x80
<4>[  794.117850]  ? __warn+0x93/0x1c0
<4>[  794.117853]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.117856]  ? report_bug+0x182/0x1b0
<4>[  794.117860]  ? handle_bug+0x6e/0xb0
<4>[  794.117862]  ? exc_invalid_op+0x18/0x80
<4>[  794.117865]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.117871]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.117874]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.117876]  ? mark_held_locks+0x46/0x90
<4>[  794.117884]  __iommu_map+0x119/0x2c0
<4>[  794.117890]  iommu_map_sg+0xbf/0x210
<4>[  794.117895]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.117909]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.120152] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.120308] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.120311] RAX: 0000000000000000 RBX: ffff888126b31b30 RCX: 0000000000000000
<4>[  794.120312] RDX: 0000000000000000 RSI: 0000000003d16366 RDI: 0000000000000000
<4>[  794.120314] RBP: ffffc90001a27378 R08: 00000000002f8b65 R09: 0000000000000001
<4>[  794.120315] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c89b
<4>[  794.120317] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b65003
<4>[  794.120318] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.120320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.120321] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.120323] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.120325] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.120326] Call Trace:
<4>[  794.120327]  <TASK>
<4>[  794.120329]  ? show_regs+0x6c/0x80
<4>[  794.120332]  ? __warn+0x93/0x1c0
<4>[  794.120335]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.120338]  ? report_bug+0x182/0x1b0
<4>[  794.120342]  ? handle_bug+0x6e/0xb0
<4>[  794.120344]  ? exc_invalid_op+0x18/0x80
<4>[  794.120346]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.120353]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.120355]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.120358]  ? mark_held_locks+0x46/0x90
<4>[  794.120365]  __iommu_map+0x119/0x2c0
<4>[  794.120372]  iommu_map_sg+0xbf/0x210
<4>[  794.120377]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.120383]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.122602]  ? clear_bhb_loop+0x15/0x70
<4>[  794.122629]  </TASK>
<4>[  794.122636] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.122776] RAX: 0000000000000000 RBX: ffff888126b31b38 RCX: 0000000000000000
<4>[  794.122777] RDX: 0000000000000000 RSI: 0000000003d16367 RDI: 0000000000000000
<4>[  794.122778] RBP: ffffc90001a27378 R08: 00000000002f8b66 R09: 0000000000000001
<4>[  794.122780] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c89a
<4>[  794.122781] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b66003
<4>[  794.122783] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.122785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.122786] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.122788] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.122795] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.122796] Call Trace:
<4>[  794.122798]  <TASK>
<4>[  794.122799]  ? show_regs+0x6c/0x80
<4>[  794.122802]  ? __warn+0x93/0x1c0
<4>[  794.122806]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.122808]  ? report_bug+0x182/0x1b0
<4>[  794.122812]  ? handle_bug+0x6e/0xb0
<4>[  794.122815]  ? exc_invalid_op+0x18/0x80
<4>[  794.122817]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.122823]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.122826]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.122828]  ? mark_held_locks+0x46/0x90
<4>[  794.122836]  __iommu_map+0x119/0x2c0
<4>[  794.122842]  iommu_map_sg+0xbf/0x210
<4>[  794.122847]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.122858]  dma_map_sgtable+0x1d/0x40
<4>[  794.125077]  ? clear_bhb_loop+0x15/0x70
<4>[  794.125104]  </TASK>
<4>[  794.125111] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.125250] RAX: 0000000000000000 RBX: ffff888126b31b40 RCX: 0000000000000000
<4>[  794.125251] RDX: 0000000000000000 RSI: 0000000003d16368 RDI: 0000000000000000
<4>[  794.125253] RBP: ffffc90001a27378 R08: 00000000002f8b67 R09: 0000000000000001
<4>[  794.125254] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c899
<4>[  794.125256] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b67003
<4>[  794.125257] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.125259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.125261] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.125262] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.125264] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.125265] Call Trace:
<4>[  794.125267]  <TASK>
<4>[  794.125268]  ? show_regs+0x6c/0x80
<4>[  794.125271]  ? __warn+0x93/0x1c0
<4>[  794.125274]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.125277]  ? report_bug+0x182/0x1b0
<4>[  794.125281]  ? handle_bug+0x6e/0xb0
<4>[  794.125283]  ? exc_invalid_op+0x18/0x80
<4>[  794.125286]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.125292]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.125295]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.125297]  ? mark_held_locks+0x46/0x90
<4>[  794.125304]  __iommu_map+0x119/0x2c0
<4>[  794.125311]  iommu_map_sg+0xbf/0x210
<4>[  794.125316]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.125326]  dma_map_sgtable+0x1d/0x40
<4>[  794.127558]  ? clear_bhb_loop+0x15/0x70
<4>[  794.127585]  </TASK>
<4>[  794.127592] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.127731] RAX: 0000000000000000 RBX: ffff888126b31b48 RCX: 0000000000000000
<4>[  794.127733] RDX: 0000000000000000 RSI: 0000000003d16369 RDI: 0000000000000000
<4>[  794.127734] RBP: ffffc90001a27378 R08: 00000000002f8b68 R09: 0000000000000001
<4>[  794.127736] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c898
<4>[  794.127737] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b68003
<4>[  794.127739] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.127741] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.127742] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.127744] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.127745] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.127747] Call Trace:
<4>[  794.127748]  <TASK>
<4>[  794.127750]  ? show_regs+0x6c/0x80
<4>[  794.127753]  ? __warn+0x93/0x1c0
<4>[  794.127756]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.127759]  ? report_bug+0x182/0x1b0
<4>[  794.127763]  ? handle_bug+0x6e/0xb0
<4>[  794.127765]  ? exc_invalid_op+0x18/0x80
<4>[  794.127767]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.127773]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.127776]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.127779]  ? mark_held_locks+0x46/0x90
<4>[  794.127786]  __iommu_map+0x119/0x2c0
<4>[  794.127799]  iommu_map_sg+0xbf/0x210
<4>[  794.127804]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.127811]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.130050]  ? clear_bhb_loop+0x15/0x70
<4>[  794.130076]  </TASK>
<4>[  794.130083] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.130222] RAX: 0000000000000000 RBX: ffff888126b31b50 RCX: 0000000000000000
<4>[  794.130223] RDX: 0000000000000000 RSI: 0000000003d1636a RDI: 0000000000000000
<4>[  794.130225] RBP: ffffc90001a27378 R08: 00000000002f8b69 R09: 0000000000000001
<4>[  794.130226] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c897
<4>[  794.130228] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b69003
<4>[  794.130229] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.130231] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.130233] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.130234] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.130236] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.130237] Call Trace:
<4>[  794.130239]  <TASK>
<4>[  794.130240]  ? show_regs+0x6c/0x80
<4>[  794.130243]  ? __warn+0x93/0x1c0
<4>[  794.130246]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.130249]  ? report_bug+0x182/0x1b0
<4>[  794.130253]  ? handle_bug+0x6e/0xb0
<4>[  794.130255]  ? exc_invalid_op+0x18/0x80
<4>[  794.130258]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.130264]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.130267]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.130269]  ? mark_held_locks+0x46/0x90
<4>[  794.130277]  __iommu_map+0x119/0x2c0
<4>[  794.130284]  iommu_map_sg+0xbf/0x210
<4>[  794.130289]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.130302]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.132547] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.132704] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.132706] RAX: 0000000000000000 RBX: ffff888126b31b58 RCX: 0000000000000000
<4>[  794.132708] RDX: 0000000000000000 RSI: 0000000003d1636b RDI: 0000000000000000
<4>[  794.132709] RBP: ffffc90001a27378 R08: 00000000002f8b6a R09: 0000000000000001
<4>[  794.132711] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c896
<4>[  794.132712] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b6a003
<4>[  794.132714] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.132715] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.132717] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.132719] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.132720] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.132721] Call Trace:
<4>[  794.132723]  <TASK>
<4>[  794.132724]  ? show_regs+0x6c/0x80
<4>[  794.132727]  ? __warn+0x93/0x1c0
<4>[  794.132730]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.132733]  ? report_bug+0x182/0x1b0
<4>[  794.132737]  ? handle_bug+0x6e/0xb0
<4>[  794.132739]  ? exc_invalid_op+0x18/0x80
<4>[  794.132742]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.132748]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.132751]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.132753]  ? mark_held_locks+0x46/0x90
<4>[  794.132761]  __iommu_map+0x119/0x2c0
<4>[  794.132767]  iommu_map_sg+0xbf/0x210
<4>[  794.132772]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.132783]  dma_map_sgtable+0x1d/0x40
<4>[  794.135004]  ? clear_bhb_loop+0x15/0x70
<4>[  794.135031]  </TASK>
<4>[  794.135038] softirqs last  enabled at (245203710): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.135176] RAX: 0000000000000000 RBX: ffff888126b31b60 RCX: 0000000000000000
<4>[  794.135178] RDX: 0000000000000000 RSI: 0000000003d1636c RDI: 0000000000000000
<4>[  794.135179] RBP: ffffc90001a27378 R08: 00000000002f8b6b R09: 0000000000000001
<4>[  794.135181] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c895
<4>[  794.135182] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b6b003
<4>[  794.135184] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.135185] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.135187] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.135189] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.135190] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.135191] Call Trace:
<4>[  794.135193]  <TASK>
<4>[  794.135194]  ? show_regs+0x6c/0x80
<4>[  794.135198]  ? __warn+0x93/0x1c0
<4>[  794.135201]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.135204]  ? report_bug+0x182/0x1b0
<4>[  794.135207]  ? handle_bug+0x6e/0xb0
<4>[  794.135210]  ? exc_invalid_op+0x18/0x80
<4>[  794.135212]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.135218]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.135221]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.135224]  ? mark_held_locks+0x46/0x90
<4>[  794.135231]  __iommu_map+0x119/0x2c0
<4>[  794.135237]  iommu_map_sg+0xbf/0x210
<4>[  794.135242]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.135249]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.137476]  ? clear_bhb_loop+0x15/0x70
<4>[  794.137506] hardirqs last  enabled at (245293995): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.137650] RAX: 0000000000000000 RBX: ffff888126b31b68 RCX: 0000000000000000
<4>[  794.137651] RDX: 0000000000000000 RSI: 0000000003d1636d RDI: 0000000000000000
<4>[  794.137652] RBP: ffffc90001a27378 R08: 00000000002f8b6c R09: 0000000000000001
<4>[  794.137654] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c894
<4>[  794.137655] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b6c003
<4>[  794.137657] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.137659] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.137661] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.137662] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.137664] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.137665] Call Trace:
<4>[  794.137666]  <TASK>
<4>[  794.137668]  ? show_regs+0x6c/0x80
<4>[  794.137671]  ? __warn+0x93/0x1c0
<4>[  794.137674]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.137677]  ? report_bug+0x182/0x1b0
<4>[  794.137681]  ? handle_bug+0x6e/0xb0
<4>[  794.137683]  ? exc_invalid_op+0x18/0x80
<4>[  794.137685]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.137692]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.137694]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.137697]  ? mark_held_locks+0x46/0x90
<4>[  794.137704]  __iommu_map+0x119/0x2c0
<4>[  794.137711]  iommu_map_sg+0xbf/0x210
<4>[  794.137716]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.137722]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.139959]  ? clear_bhb_loop+0x15/0x70
<4>[  794.139978] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.140130] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.140133] RAX: 0000000000000000 RBX: ffff888126b31b70 RCX: 0000000000000000
<4>[  794.140134] RDX: 0000000000000000 RSI: 0000000003d1636e RDI: 0000000000000000
<4>[  794.140135] RBP: ffffc90001a27378 R08: 00000000002f8b6d R09: 0000000000000001
<4>[  794.140137] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c893
<4>[  794.140138] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b6d003
<4>[  794.140140] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.140142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.140143] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.140145] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.140146] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.140148] Call Trace:
<4>[  794.140149]  <TASK>
<4>[  794.140151]  ? show_regs+0x6c/0x80
<4>[  794.140154]  ? __warn+0x93/0x1c0
<4>[  794.140157]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.140160]  ? report_bug+0x182/0x1b0
<4>[  794.140164]  ? handle_bug+0x6e/0xb0
<4>[  794.140166]  ? exc_invalid_op+0x18/0x80
<4>[  794.140168]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.140175]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.140177]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.140180]  ? mark_held_locks+0x46/0x90
<4>[  794.140187]  __iommu_map+0x119/0x2c0
<4>[  794.140193]  iommu_map_sg+0xbf/0x210
<4>[  794.140198]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.140366]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  794.142459] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.142613] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.142619] RAX: 0000000000000000 RBX: ffff888126b31b78 RCX: 0000000000000000
<4>[  794.142621] RDX: 0000000000000000 RSI: 0000000003d1636f RDI: 0000000000000000
<4>[  794.142622] RBP: ffffc90001a27378 R08: 00000000002f8b6e R09: 0000000000000001
<4>[  794.142624] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c892
<4>[  794.142625] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b6e003
<4>[  794.142627] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.142628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.142630] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.142632] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.142633] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.142635] Call Trace:
<4>[  794.142636]  <TASK>
<4>[  794.142637]  ? show_regs+0x6c/0x80
<4>[  794.142641]  ? __warn+0x93/0x1c0
<4>[  794.142644]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.142647]  ? report_bug+0x182/0x1b0
<4>[  794.142651]  ? handle_bug+0x6e/0xb0
<4>[  794.142653]  ? exc_invalid_op+0x18/0x80
<4>[  794.142655]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.142661]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.142664]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.142667]  ? mark_held_locks+0x46/0x90
<4>[  794.142674]  __iommu_map+0x119/0x2c0
<4>[  794.142680]  iommu_map_sg+0xbf/0x210
<4>[  794.142685]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.142699]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.144945] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.145103] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.145105] RAX: 0000000000000000 RBX: ffff888126b31b80 RCX: 0000000000000000
<4>[  794.145106] RDX: 0000000000000000 RSI: 0000000003d16370 RDI: 0000000000000000
<4>[  794.145108] RBP: ffffc90001a27378 R08: 00000000002f8b6f R09: 0000000000000001
<4>[  794.145109] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c891
<4>[  794.145111] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b6f003
<4>[  794.145112] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.145114] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.145116] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.145117] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.145119] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.145120] Call Trace:
<4>[  794.145122]  <TASK>
<4>[  794.145123]  ? show_regs+0x6c/0x80
<4>[  794.145126]  ? __warn+0x93/0x1c0
<4>[  794.145129]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.145132]  ? report_bug+0x182/0x1b0
<4>[  794.145136]  ? handle_bug+0x6e/0xb0
<4>[  794.145139]  ? exc_invalid_op+0x18/0x80
<4>[  794.145141]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.145147]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.145150]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.145152]  ? mark_held_locks+0x46/0x90
<4>[  794.145160]  __iommu_map+0x119/0x2c0
<4>[  794.145166]  iommu_map_sg+0xbf/0x210
<4>[  794.145171]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.145178]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.147412]  ? clear_bhb_loop+0x15/0x70
<4>[  794.147442] hardirqs last  enabled at (245298741): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.147586] RAX: 0000000000000000 RBX: ffff888126b31b88 RCX: 0000000000000000
<4>[  794.147587] RDX: 0000000000000000 RSI: 0000000003d16371 RDI: 0000000000000000
<4>[  794.147589] RBP: ffffc90001a27378 R08: 00000000002f8b70 R09: 0000000000000001
<4>[  794.147590] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c890
<4>[  794.147592] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b70003
<4>[  794.147593] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.147595] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.147597] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.147598] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.147600] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.147601] Call Trace:
<4>[  794.147603]  <TASK>
<4>[  794.147604]  ? show_regs+0x6c/0x80
<4>[  794.147607]  ? __warn+0x93/0x1c0
<4>[  794.147610]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.147613]  ? report_bug+0x182/0x1b0
<4>[  794.147617]  ? handle_bug+0x6e/0xb0
<4>[  794.147619]  ? exc_invalid_op+0x18/0x80
<4>[  794.147622]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.147628]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.147631]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.147633]  ? mark_held_locks+0x46/0x90
<4>[  794.147641]  __iommu_map+0x119/0x2c0
<4>[  794.147647]  iommu_map_sg+0xbf/0x210
<4>[  794.147652]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.147659]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.149900]  ? clear_bhb_loop+0x15/0x70
<4>[  794.149928]  </TASK>
<4>[  794.149935] softirqs last  enabled at (245294946): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.150076] RAX: 0000000000000000 RBX: ffff888126b31b90 RCX: 0000000000000000
<4>[  794.150077] RDX: 0000000000000000 RSI: 0000000003d16372 RDI: 0000000000000000
<4>[  794.150079] RBP: ffffc90001a27378 R08: 00000000002f8b71 R09: 0000000000000001
<4>[  794.150080] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c88f
<4>[  794.150081] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b71003
<4>[  794.150083] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.150085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.150086] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.150088] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.150089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.150091] Call Trace:
<4>[  794.150092]  <TASK>
<4>[  794.150094]  ? show_regs+0x6c/0x80
<4>[  794.150097]  ? __warn+0x93/0x1c0
<4>[  794.150100]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.150103]  ? report_bug+0x182/0x1b0
<4>[  794.150107]  ? handle_bug+0x6e/0xb0
<4>[  794.150109]  ? exc_invalid_op+0x18/0x80
<4>[  794.150112]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.150118]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.150121]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.150123]  ? mark_held_locks+0x46/0x90
<4>[  794.150131]  __iommu_map+0x119/0x2c0
<4>[  794.150137]  iommu_map_sg+0xbf/0x210
<4>[  794.150142]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.150313]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  794.152402] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.152556] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.152562] RAX: 0000000000000000 RBX: ffff888126b31b98 RCX: 0000000000000000
<4>[  794.152563] RDX: 0000000000000000 RSI: 0000000003d16373 RDI: 0000000000000000
<4>[  794.152565] RBP: ffffc90001a27378 R08: 00000000002f8b72 R09: 0000000000000001
<4>[  794.152566] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c88e
<4>[  794.152568] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b72003
<4>[  794.152569] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.152571] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.152573] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.152574] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.152576] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.152577] Call Trace:
<4>[  794.152578]  <TASK>
<4>[  794.152580]  ? show_regs+0x6c/0x80
<4>[  794.152583]  ? __warn+0x93/0x1c0
<4>[  794.152586]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.152589]  ? report_bug+0x182/0x1b0
<4>[  794.152593]  ? handle_bug+0x6e/0xb0
<4>[  794.152595]  ? exc_invalid_op+0x18/0x80
<4>[  794.152598]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.152604]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.152607]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.152609]  ? mark_held_locks+0x46/0x90
<4>[  794.152617]  __iommu_map+0x119/0x2c0
<4>[  794.152623]  iommu_map_sg+0xbf/0x210
<4>[  794.152628]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.152635]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.154869]  ? clear_bhb_loop+0x15/0x70
<4>[  794.154896]  </TASK>
<4>[  794.154903] softirqs last  enabled at (245294946): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.155043] RAX: 0000000000000000 RBX: ffff888126b31ba0 RCX: 0000000000000000
<4>[  794.155044] RDX: 0000000000000000 RSI: 0000000003d16374 RDI: 0000000000000000
<4>[  794.155046] RBP: ffffc90001a27378 R08: 00000000002f8b73 R09: 0000000000000001
<4>[  794.155047] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c88d
<4>[  794.155049] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b73003
<4>[  794.155050] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.155052] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.155054] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.155055] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.155057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.155058] Call Trace:
<4>[  794.155060]  <TASK>
<4>[  794.155061]  ? show_regs+0x6c/0x80
<4>[  794.155064]  ? __warn+0x93/0x1c0
<4>[  794.155068]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.155071]  ? report_bug+0x182/0x1b0
<4>[  794.155075]  ? handle_bug+0x6e/0xb0
<4>[  794.155077]  ? exc_invalid_op+0x18/0x80
<4>[  794.155079]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.155086]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.155089]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.155091]  ? mark_held_locks+0x46/0x90
<4>[  794.155099]  __iommu_map+0x119/0x2c0
<4>[  794.155105]  iommu_map_sg+0xbf/0x210
<4>[  794.155110]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.155589]  ? lock_acquire+0xc9/0x300
<4>[  794.157355]  ? clear_bhb_loop+0x15/0x70
<4>[  794.157385] hardirqs last disabled at (245303486): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.157526] RAX: 0000000000000000 RBX: ffff888126b31ba8 RCX: 0000000000000000
<4>[  794.157527] RDX: 0000000000000000 RSI: 0000000003d16375 RDI: 0000000000000000
<4>[  794.157529] RBP: ffffc90001a27378 R08: 00000000002f8b74 R09: 0000000000000001
<4>[  794.157530] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c88c
<4>[  794.157532] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b74003
<4>[  794.157533] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.157535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.157537] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.157538] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.157540] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.157541] Call Trace:
<4>[  794.157543]  <TASK>
<4>[  794.157544]  ? show_regs+0x6c/0x80
<4>[  794.157547]  ? __warn+0x93/0x1c0
<4>[  794.157550]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.157553]  ? report_bug+0x182/0x1b0
<4>[  794.157557]  ? handle_bug+0x6e/0xb0
<4>[  794.157559]  ? exc_invalid_op+0x18/0x80
<4>[  794.157562]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.157568]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.157571]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.157573]  ? mark_held_locks+0x46/0x90
<4>[  794.157581]  __iommu_map+0x119/0x2c0
<4>[  794.157587]  iommu_map_sg+0xbf/0x210
<4>[  794.157592]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.157599]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.159847]  ? clear_bhb_loop+0x15/0x70
<4>[  794.159865] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.160018] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.160020] RAX: 0000000000000000 RBX: ffff888126b31bb0 RCX: 0000000000000000
<4>[  794.160022] RDX: 0000000000000000 RSI: 0000000003d16376 RDI: 0000000000000000
<4>[  794.160023] RBP: ffffc90001a27378 R08: 00000000002f8b75 R09: 0000000000000001
<4>[  794.160024] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c88b
<4>[  794.160026] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b75003
<4>[  794.160028] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.160029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.160031] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.160032] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.160034] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.160035] Call Trace:
<4>[  794.160037]  <TASK>
<4>[  794.160038]  ? show_regs+0x6c/0x80
<4>[  794.160041]  ? __warn+0x93/0x1c0
<4>[  794.160044]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.160047]  ? report_bug+0x182/0x1b0
<4>[  794.160051]  ? handle_bug+0x6e/0xb0
<4>[  794.160053]  ? exc_invalid_op+0x18/0x80
<4>[  794.160056]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.160062]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.160065]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.160067]  ? mark_held_locks+0x46/0x90
<4>[  794.160075]  __iommu_map+0x119/0x2c0
<4>[  794.160081]  iommu_map_sg+0xbf/0x210
<4>[  794.160086]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.162136]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.162339] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.162499] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.162501] RAX: 0000000000000000 RBX: ffff888126b31bb8 RCX: 0000000000000000
<4>[  794.162503] RDX: 0000000000000000 RSI: 0000000003d16377 RDI: 0000000000000000
<4>[  794.162504] RBP: ffffc90001a27378 R08: 00000000002f8b76 R09: 0000000000000001
<4>[  794.162506] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c88a
<4>[  794.162507] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b76003
<4>[  794.162509] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.162510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.162512] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.162514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.162515] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.162517] Call Trace:
<4>[  794.162518]  <TASK>
<4>[  794.162519]  ? show_regs+0x6c/0x80
<4>[  794.162522]  ? __warn+0x93/0x1c0
<4>[  794.162526]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.162529]  ? report_bug+0x182/0x1b0
<4>[  794.162532]  ? handle_bug+0x6e/0xb0
<4>[  794.162535]  ? exc_invalid_op+0x18/0x80
<4>[  794.162537]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.162543]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.162546]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.162549]  ? mark_held_locks+0x46/0x90
<4>[  794.162556]  __iommu_map+0x119/0x2c0
<4>[  794.162562]  iommu_map_sg+0xbf/0x210
<4>[  794.162567]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.162574]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.164814]  ? clear_bhb_loop+0x15/0x70
<4>[  794.164846] hardirqs last disabled at (245307042): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.164987] RAX: 0000000000000000 RBX: ffff888126b31bc0 RCX: 0000000000000000
<4>[  794.164989] RDX: 0000000000000000 RSI: 0000000003d16378 RDI: 0000000000000000
<4>[  794.164990] RBP: ffffc90001a27378 R08: 00000000002f8b77 R09: 0000000000000001
<4>[  794.164991] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c889
<4>[  794.164993] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b77003
<4>[  794.164995] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.164996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.164998] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.164999] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.165001] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.165002] Call Trace:
<4>[  794.165004]  <TASK>
<4>[  794.165005]  ? show_regs+0x6c/0x80
<4>[  794.165008]  ? __warn+0x93/0x1c0
<4>[  794.165011]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.165014]  ? report_bug+0x182/0x1b0
<4>[  794.165018]  ? handle_bug+0x6e/0xb0
<4>[  794.165020]  ? exc_invalid_op+0x18/0x80
<4>[  794.165023]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.165029]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.165032]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.165034]  ? mark_held_locks+0x46/0x90
<4>[  794.165042]  __iommu_map+0x119/0x2c0
<4>[  794.165048]  iommu_map_sg+0xbf/0x210
<4>[  794.165053]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.165060]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.167292]  ? clear_bhb_loop+0x15/0x70
<4>[  794.167318]  </TASK>
<4>[  794.167325] softirqs last  enabled at (245294946): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.167464] RAX: 0000000000000000 RBX: ffff888126b31bc8 RCX: 0000000000000000
<4>[  794.167466] RDX: 0000000000000000 RSI: 0000000003d16379 RDI: 0000000000000000
<4>[  794.167467] RBP: ffffc90001a27378 R08: 00000000002f8b78 R09: 0000000000000001
<4>[  794.167469] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c888
<4>[  794.167470] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b78003
<4>[  794.167472] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.167474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.167475] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.167477] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.167478] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.167480] Call Trace:
<4>[  794.167481]  <TASK>
<4>[  794.167483]  ? show_regs+0x6c/0x80
<4>[  794.167486]  ? __warn+0x93/0x1c0
<4>[  794.167489]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.167492]  ? report_bug+0x182/0x1b0
<4>[  794.167496]  ? handle_bug+0x6e/0xb0
<4>[  794.167498]  ? exc_invalid_op+0x18/0x80
<4>[  794.167500]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.167507]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.167509]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.167512]  ? mark_held_locks+0x46/0x90
<4>[  794.167519]  __iommu_map+0x119/0x2c0
<4>[  794.167526]  iommu_map_sg+0xbf/0x210
<4>[  794.167531]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.167537]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.169767]  ? clear_bhb_loop+0x15/0x70
<4>[  794.169799]  </TASK>
<4>[  794.169807] softirqs last  enabled at (245294946): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.169948] RAX: 0000000000000000 RBX: ffff888126b31bd0 RCX: 0000000000000000
<4>[  794.169949] RDX: 0000000000000000 RSI: 0000000003d1637a RDI: 0000000000000000
<4>[  794.169951] RBP: ffffc90001a27378 R08: 00000000002f8b79 R09: 0000000000000001
<4>[  794.169952] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c887
<4>[  794.169954] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b79003
<4>[  794.169955] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.169957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.169959] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.169960] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.169962] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.169963] Call Trace:
<4>[  794.169964]  <TASK>
<4>[  794.169966]  ? show_regs+0x6c/0x80
<4>[  794.169969]  ? __warn+0x93/0x1c0
<4>[  794.169973]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.169976]  ? report_bug+0x182/0x1b0
<4>[  794.169979]  ? handle_bug+0x6e/0xb0
<4>[  794.169982]  ? exc_invalid_op+0x18/0x80
<4>[  794.169984]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.169990]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.169993]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.169996]  ? mark_held_locks+0x46/0x90
<4>[  794.170003]  __iommu_map+0x119/0x2c0
<4>[  794.170009]  iommu_map_sg+0xbf/0x210
<4>[  794.170014]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.170021]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.172256]  ? clear_bhb_loop+0x15/0x70
<4>[  794.172288] hardirqs last disabled at (245310596): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.172430] RAX: 0000000000000000 RBX: ffff888126b31bd8 RCX: 0000000000000000
<4>[  794.172432] RDX: 0000000000000000 RSI: 0000000003d1637b RDI: 0000000000000000
<4>[  794.172433] RBP: ffffc90001a27378 R08: 00000000002f8b7a R09: 0000000000000001
<4>[  794.172434] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c886
<4>[  794.172436] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b7a003
<4>[  794.172438] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.172439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.172441] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.172442] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.172444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.172445] Call Trace:
<4>[  794.172447]  <TASK>
<4>[  794.172448]  ? show_regs+0x6c/0x80
<4>[  794.172451]  ? __warn+0x93/0x1c0
<4>[  794.172454]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.172457]  ? report_bug+0x182/0x1b0
<4>[  794.172461]  ? handle_bug+0x6e/0xb0
<4>[  794.172463]  ? exc_invalid_op+0x18/0x80
<4>[  794.172466]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.172472]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.172475]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.172477]  ? mark_held_locks+0x46/0x90
<4>[  794.172485]  __iommu_map+0x119/0x2c0
<4>[  794.172491]  iommu_map_sg+0xbf/0x210
<4>[  794.172496]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.172503]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.174738]  ? clear_bhb_loop+0x15/0x70
<4>[  794.174770] hardirqs last disabled at (245311780): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.174918] RAX: 0000000000000000 RBX: ffff888126b31be0 RCX: 0000000000000000
<4>[  794.174920] RDX: 0000000000000000 RSI: 0000000003d1637c RDI: 0000000000000000
<4>[  794.174921] RBP: ffffc90001a27378 R08: 00000000002f8b7b R09: 0000000000000001
<4>[  794.174923] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c885
<4>[  794.174924] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b7b003
<4>[  794.174926] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.174928] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.174929] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.174931] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.174932] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.174934] Call Trace:
<4>[  794.174935]  <TASK>
<4>[  794.174937]  ? show_regs+0x6c/0x80
<4>[  794.174940]  ? __warn+0x93/0x1c0
<4>[  794.174943]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.174946]  ? report_bug+0x182/0x1b0
<4>[  794.174950]  ? handle_bug+0x6e/0xb0
<4>[  794.174952]  ? exc_invalid_op+0x18/0x80
<4>[  794.174955]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.174961]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.174964]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.174967]  ? mark_held_locks+0x46/0x90
<4>[  794.174974]  __iommu_map+0x119/0x2c0
<4>[  794.174980]  iommu_map_sg+0xbf/0x210
<4>[  794.174985]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.174992]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.177237]  ? clear_bhb_loop+0x15/0x70
<4>[  794.177255] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.177408] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.177412] RDX: 0000000000000000 RSI: 0000000003d1637d RDI: 0000000000000000
<4>[  794.177414] RBP: ffffc90001a27378 R08: 00000000002f8b7c R09: 0000000000000001
<4>[  794.177415] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c884
<4>[  794.177417] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b7c003
<4>[  794.177418] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.177420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.177422] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.177423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.177425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.177426] Call Trace:
<4>[  794.177427]  <TASK>
<4>[  794.177429]  ? show_regs+0x6c/0x80
<4>[  794.177432]  ? __warn+0x93/0x1c0
<4>[  794.177435]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.177438]  ? report_bug+0x182/0x1b0
<4>[  794.177442]  ? handle_bug+0x6e/0xb0
<4>[  794.177444]  ? exc_invalid_op+0x18/0x80
<4>[  794.177447]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.177453]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.177455]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.177458]  ? mark_held_locks+0x46/0x90
<4>[  794.177465]  __iommu_map+0x119/0x2c0
<4>[  794.177472]  iommu_map_sg+0xbf/0x210
<4>[  794.177477]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.177483]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.177487]  dma_map_sgtable+0x1d/0x40
<4>[  794.179216]  ? find_held_lock+0x31/0x90
<4>[  794.179726] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.179893] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.179895] RAX: 0000000000000000 RBX: ffff888126b31bf0 RCX: 0000000000000000
<4>[  794.179896] RDX: 0000000000000000 RSI: 0000000003d1637e RDI: 0000000000000000
<4>[  794.179898] RBP: ffffc90001a27378 R08: 00000000002f8b7d R09: 0000000000000001
<4>[  794.179899] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c883
<4>[  794.179901] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b7d003
<4>[  794.179903] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.179904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.179906] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.179908] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.179909] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.179910] Call Trace:
<4>[  794.179912]  <TASK>
<4>[  794.179914]  ? show_regs+0x6c/0x80
<4>[  794.179917]  ? __warn+0x93/0x1c0
<4>[  794.179920]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.179923]  ? report_bug+0x182/0x1b0
<4>[  794.179927]  ? handle_bug+0x6e/0xb0
<4>[  794.179930]  ? exc_invalid_op+0x18/0x80
<4>[  794.179932]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.179938]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.179941]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.179943]  ? mark_held_locks+0x46/0x90
<4>[  794.179952]  __iommu_map+0x119/0x2c0
<4>[  794.179958]  iommu_map_sg+0xbf/0x210
<4>[  794.179963]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.179977]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.182242] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.182399] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.182401] RAX: 0000000000000000 RBX: ffff888126b31bf8 RCX: 0000000000000000
<4>[  794.182403] RDX: 0000000000000000 RSI: 0000000003d1637f RDI: 0000000000000000
<4>[  794.182404] RBP: ffffc90001a27378 R08: 00000000002f8b7e R09: 0000000000000001
<4>[  794.182406] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c882
<4>[  794.182407] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b7e003
<4>[  794.182409] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.182410] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.182412] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.182414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.182415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.182416] Call Trace:
<4>[  794.182418]  <TASK>
<4>[  794.182419]  ? show_regs+0x6c/0x80
<4>[  794.182422]  ? __warn+0x93/0x1c0
<4>[  794.182425]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.182428]  ? report_bug+0x182/0x1b0
<4>[  794.182432]  ? handle_bug+0x6e/0xb0
<4>[  794.182434]  ? exc_invalid_op+0x18/0x80
<4>[  794.182437]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.182443]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.182446]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.182448]  ? mark_held_locks+0x46/0x90
<4>[  794.182456]  __iommu_map+0x119/0x2c0
<4>[  794.182462]  iommu_map_sg+0xbf/0x210
<4>[  794.182467]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.182636]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  794.184717] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.184879] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.184887] RBP: ffffc90001a27378 R08: 00000000002f8b7f R09: 0000000000000001
<4>[  794.184888] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c881
<4>[  794.184890] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b7f003
<4>[  794.184892] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.184894] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.184895] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.184897] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.184898] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.184900] Call Trace:
<4>[  794.184901]  <TASK>
<4>[  794.184902]  ? show_regs+0x6c/0x80
<4>[  794.184906]  ? __warn+0x93/0x1c0
<4>[  794.184909]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.184912]  ? report_bug+0x182/0x1b0
<4>[  794.184916]  ? handle_bug+0x6e/0xb0
<4>[  794.184918]  ? exc_invalid_op+0x18/0x80
<4>[  794.184920]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.184927]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.184929]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.184932]  ? mark_held_locks+0x46/0x90
<4>[  794.184939]  __iommu_map+0x119/0x2c0
<4>[  794.184946]  iommu_map_sg+0xbf/0x210
<4>[  794.184951]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.187203]  __x64_sys_ioctl+0xa4/0xe0
<4>[  794.187244] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.187402] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.187404] RAX: 0000000000000000 RBX: ffff888126b31c08 RCX: 0000000000000000
<4>[  794.187406] RDX: 0000000000000000 RSI: 0000000003d16381 RDI: 0000000000000000
<4>[  794.187407] RBP: ffffc90001a27378 R08: 00000000002f8b80 R09: 0000000000000001
<4>[  794.187408] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c880
<4>[  794.187410] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b80003
<4>[  794.187411] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.187413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.187415] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.187416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.187418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.187419] Call Trace:
<4>[  794.187421]  <TASK>
<4>[  794.187422]  ? show_regs+0x6c/0x80
<4>[  794.187425]  ? __warn+0x93/0x1c0
<4>[  794.187429]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.187431]  ? report_bug+0x182/0x1b0
<4>[  794.187435]  ? handle_bug+0x6e/0xb0
<4>[  794.187438]  ? exc_invalid_op+0x18/0x80
<4>[  794.187440]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.187446]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.187449]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.187452]  ? mark_held_locks+0x46/0x90
<4>[  794.187459]  __iommu_map+0x119/0x2c0
<4>[  794.187465]  iommu_map_sg+0xbf/0x210
<4>[  794.187470]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.187984]  ? lock_acquire+0xc9/0x300
<4>[  794.189751]  ? clear_bhb_loop+0x15/0x70
<4>[  794.189781] hardirqs last disabled at (245318916): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.189930] RAX: 0000000000000000 RBX: ffff888126b31c10 RCX: 0000000000000000
<4>[  794.189932] RDX: 0000000000000000 RSI: 0000000003d16382 RDI: 0000000000000000
<4>[  794.189933] RBP: ffffc90001a27378 R08: 00000000002f8b81 R09: 0000000000000001
<4>[  794.189935] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c87f
<4>[  794.189936] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b81003
<4>[  794.189938] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.189939] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.189941] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.189943] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.189944] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.189946] Call Trace:
<4>[  794.189947]  <TASK>
<4>[  794.189948]  ? show_regs+0x6c/0x80
<4>[  794.189952]  ? __warn+0x93/0x1c0
<4>[  794.189955]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.189958]  ? report_bug+0x182/0x1b0
<4>[  794.189962]  ? handle_bug+0x6e/0xb0
<4>[  794.189964]  ? exc_invalid_op+0x18/0x80
<4>[  794.189967]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.189973]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.189976]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.189978]  ? mark_held_locks+0x46/0x90
<4>[  794.189986]  __iommu_map+0x119/0x2c0
<4>[  794.189992]  iommu_map_sg+0xbf/0x210
<4>[  794.189997]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.190004]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.192224]  ? clear_bhb_loop+0x15/0x70
<4>[  794.192252] irq event stamp: 245320091
<4>[  794.192365]  nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi acpi_tad pmt_telemetry pmt_class intel_vsec acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  794.192400] RBP: ffffc90001a27378 R08: 00000000002f8b82 R09: 0000000000000001
<4>[  794.192401] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c87e
<4>[  794.192403] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b82003
<4>[  794.192404] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.192406] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.192407] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.192409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.192410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.192412] Call Trace:
<4>[  794.192413]  <TASK>
<4>[  794.192415]  ? show_regs+0x6c/0x80
<4>[  794.192418]  ? __warn+0x93/0x1c0
<4>[  794.192421]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.192424]  ? report_bug+0x182/0x1b0
<4>[  794.192427]  ? handle_bug+0x6e/0xb0
<4>[  794.192430]  ? exc_invalid_op+0x18/0x80
<4>[  794.192432]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.192438]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.192441]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.192443]  ? mark_held_locks+0x46/0x90
<4>[  794.192451]  __iommu_map+0x119/0x2c0
<4>[  794.192457]  iommu_map_sg+0xbf/0x210
<4>[  794.192462]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.194675]  ? clear_bhb_loop+0x15/0x70
<4>[  794.194695] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  794.194848] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.194850] RAX: 0000000000000000 RBX: ffff888126b31c20 RCX: 0000000000000000
<4>[  794.194852] RDX: 0000000000000000 RSI: 0000000003d16384 RDI: 0000000000000000
<4>[  794.194853] RBP: ffffc90001a27378 R08: 00000000002f8b83 R09: 0000000000000001
<4>[  794.194855] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c87d
<4>[  794.194856] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b83003
<4>[  794.194858] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.194860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.194861] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.194863] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.194864] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.194866] Call Trace:
<4>[  794.194867]  <TASK>
<4>[  794.194869]  ? show_regs+0x6c/0x80
<4>[  794.194872]  ? __warn+0x93/0x1c0
<4>[  794.194875]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.194878]  ? report_bug+0x182/0x1b0
<4>[  794.194882]  ? handle_bug+0x6e/0xb0
<4>[  794.194884]  ? exc_invalid_op+0x18/0x80
<4>[  794.194887]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.194893]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.194896]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.194898]  ? mark_held_locks+0x46/0x90
<4>[  794.194906]  __iommu_map+0x119/0x2c0
<4>[  794.194912]  iommu_map_sg+0xbf/0x210
<4>[  794.194917]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.196944]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.197145] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.197298] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.197305] RBP: ffffc90001a27378 R08: 00000000002f8b84 R09: 0000000000000001
<4>[  794.197307] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c87c
<4>[  794.197308] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b84003
<4>[  794.197310] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.197311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.197313] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.197314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.197316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.197317] Call Trace:
<4>[  794.197319]  <TASK>
<4>[  794.197320]  ? show_regs+0x6c/0x80
<4>[  794.197323]  ? __warn+0x93/0x1c0
<4>[  794.197326]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.197329]  ? report_bug+0x182/0x1b0
<4>[  794.197333]  ? handle_bug+0x6e/0xb0
<4>[  794.197335]  ? exc_invalid_op+0x18/0x80
<4>[  794.197337]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.197344]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.197346]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.197349]  ? mark_held_locks+0x46/0x90
<4>[  794.197356]  __iommu_map+0x119/0x2c0
<4>[  794.197363]  iommu_map_sg+0xbf/0x210
<4>[  794.197368]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.199390]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.199592] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.199746] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.199749] RAX: 0000000000000000 RBX: ffff888126b31c30 RCX: 0000000000000000
<4>[  794.199750] RDX: 0000000000000000 RSI: 0000000003d16386 RDI: 0000000000000000
<4>[  794.199752] RBP: ffffc90001a27378 R08: 00000000002f8b85 R09: 0000000000000001
<4>[  794.199753] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c87b
<4>[  794.199755] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b85003
<4>[  794.199756] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.199758] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.199759] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.199761] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.199762] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.199764] Call Trace:
<4>[  794.199765]  <TASK>
<4>[  794.199767]  ? show_regs+0x6c/0x80
<4>[  794.199770]  ? __warn+0x93/0x1c0
<4>[  794.199773]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.199776]  ? report_bug+0x182/0x1b0
<4>[  794.199779]  ? handle_bug+0x6e/0xb0
<4>[  794.199782]  ? exc_invalid_op+0x18/0x80
<4>[  794.199784]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.199795]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.199798]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.199800]  ? mark_held_locks+0x46/0x90
<4>[  794.199808]  __iommu_map+0x119/0x2c0
<4>[  794.199814]  iommu_map_sg+0xbf/0x210
<4>[  794.199819]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.199985]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  794.202044] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.202196] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.202203] RBP: ffffc90001a27378 R08: 00000000002f8b86 R09: 0000000000000001
<4>[  794.202204] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c87a
<4>[  794.202206] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b86003
<4>[  794.202207] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.202209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.202211] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.202212] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.202214] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.202215] Call Trace:
<4>[  794.202216]  <TASK>
<4>[  794.202218]  ? show_regs+0x6c/0x80
<4>[  794.202221]  ? __warn+0x93/0x1c0
<4>[  794.202224]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.202227]  ? report_bug+0x182/0x1b0
<4>[  794.202231]  ? handle_bug+0x6e/0xb0
<4>[  794.202233]  ? exc_invalid_op+0x18/0x80
<4>[  794.202235]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.202242]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.202244]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.202247]  ? mark_held_locks+0x46/0x90
<4>[  794.202254]  __iommu_map+0x119/0x2c0
<4>[  794.202260]  iommu_map_sg+0xbf/0x210
<4>[  794.202265]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.204478]  ? clear_bhb_loop+0x15/0x70
<4>[  794.204496] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.204645] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.204649] RDX: 0000000000000000 RSI: 0000000003d16388 RDI: 0000000000000000
<4>[  794.204651] RBP: ffffc90001a27378 R08: 00000000002f8b87 R09: 0000000000000001
<4>[  794.204652] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c879
<4>[  794.204654] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b87003
<4>[  794.204655] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.204657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.204658] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.204660] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.204661] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.204663] Call Trace:
<4>[  794.204664]  <TASK>
<4>[  794.204666]  ? show_regs+0x6c/0x80
<4>[  794.204669]  ? __warn+0x93/0x1c0
<4>[  794.204672]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.204675]  ? report_bug+0x182/0x1b0
<4>[  794.204678]  ? handle_bug+0x6e/0xb0
<4>[  794.204681]  ? exc_invalid_op+0x18/0x80
<4>[  794.204683]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.204689]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.204692]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.204694]  ? mark_held_locks+0x46/0x90
<4>[  794.204702]  __iommu_map+0x119/0x2c0
<4>[  794.204708]  iommu_map_sg+0xbf/0x210
<4>[  794.204713]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.204720]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.204724]  dma_map_sgtable+0x1d/0x40
<4>[  794.205342]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  794.206957]  </TASK>
<4>[  794.206964] softirqs last  enabled at (245317554): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.207100] RAX: 0000000000000000 RBX: ffff888126b31c48 RCX: 0000000000000000
<4>[  794.207101] RDX: 0000000000000000 RSI: 0000000003d16389 RDI: 0000000000000000
<4>[  794.207103] RBP: ffffc90001a27378 R08: 00000000002f8b88 R09: 0000000000000001
<4>[  794.207104] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c878
<4>[  794.207106] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b88003
<4>[  794.207107] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.207109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.207110] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.207112] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.207113] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.207115] Call Trace:
<4>[  794.207116]  <TASK>
<4>[  794.207118]  ? show_regs+0x6c/0x80
<4>[  794.207121]  ? __warn+0x93/0x1c0
<4>[  794.207124]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.207127]  ? report_bug+0x182/0x1b0
<4>[  794.207130]  ? handle_bug+0x6e/0xb0
<4>[  794.207133]  ? exc_invalid_op+0x18/0x80
<4>[  794.207135]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.207141]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.207144]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.207146]  ? mark_held_locks+0x46/0x90
<4>[  794.207154]  __iommu_map+0x119/0x2c0
<4>[  794.207160]  iommu_map_sg+0xbf/0x210
<4>[  794.207165]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.207331]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  794.209391] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.209543] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.209550] RBP: ffffc90001a27378 R08: 00000000002f8b89 R09: 0000000000000001
<4>[  794.209551] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c877
<4>[  794.209553] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b89003
<4>[  794.209554] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.209556] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.209558] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.209559] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.209561] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.209562] Call Trace:
<4>[  794.209563]  <TASK>
<4>[  794.209565]  ? show_regs+0x6c/0x80
<4>[  794.209568]  ? __warn+0x93/0x1c0
<4>[  794.209571]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.209574]  ? report_bug+0x182/0x1b0
<4>[  794.209577]  ? handle_bug+0x6e/0xb0
<4>[  794.209580]  ? exc_invalid_op+0x18/0x80
<4>[  794.209582]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.209588]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.209591]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.209594]  ? mark_held_locks+0x46/0x90
<4>[  794.209601]  __iommu_map+0x119/0x2c0
<4>[  794.209607]  iommu_map_sg+0xbf/0x210
<4>[  794.209612]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.211640]  drm_ioctl+0x2de/0x5a0
<4>[  794.211838] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.211996] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.211998] RAX: 0000000000000000 RBX: ffff888126b31c58 RCX: 0000000000000000
<4>[  794.212000] RDX: 0000000000000000 RSI: 0000000003d1638b RDI: 0000000000000000
<4>[  794.212001] RBP: ffffc90001a27378 R08: 00000000002f8b8a R09: 0000000000000001
<4>[  794.212003] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c876
<4>[  794.212004] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b8a003
<4>[  794.212006] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.212007] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.212009] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.212010] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.212012] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.212013] Call Trace:
<4>[  794.212014]  <TASK>
<4>[  794.212016]  ? show_regs+0x6c/0x80
<4>[  794.212019]  ? __warn+0x93/0x1c0
<4>[  794.212022]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.212025]  ? report_bug+0x182/0x1b0
<4>[  794.212029]  ? handle_bug+0x6e/0xb0
<4>[  794.212031]  ? exc_invalid_op+0x18/0x80
<4>[  794.212033]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.212039]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.212042]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.212045]  ? mark_held_locks+0x46/0x90
<4>[  794.212052]  __iommu_map+0x119/0x2c0
<4>[  794.212058]  iommu_map_sg+0xbf/0x210
<4>[  794.212063]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.212070]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.214276]  ? clear_bhb_loop+0x15/0x70
<4>[  794.214307] hardirqs last disabled at (245330766): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.214446] RAX: 0000000000000000 RBX: ffff888126b31c60 RCX: 0000000000000000
<4>[  794.214447] RDX: 0000000000000000 RSI: 0000000003d1638c RDI: 0000000000000000
<4>[  794.214449] RBP: ffffc90001a27378 R08: 00000000002f8b8b R09: 0000000000000001
<4>[  794.214450] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c875
<4>[  794.214452] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b8b003
<4>[  794.214453] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.214455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.214457] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.214458] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.214460] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.214461] Call Trace:
<4>[  794.214462]  <TASK>
<4>[  794.214464]  ? show_regs+0x6c/0x80
<4>[  794.214467]  ? __warn+0x93/0x1c0
<4>[  794.214470]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.214473]  ? report_bug+0x182/0x1b0
<4>[  794.214477]  ? handle_bug+0x6e/0xb0
<4>[  794.214479]  ? exc_invalid_op+0x18/0x80
<4>[  794.214481]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.214488]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.214490]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.214493]  ? mark_held_locks+0x46/0x90
<4>[  794.214500]  __iommu_map+0x119/0x2c0
<4>[  794.214506]  iommu_map_sg+0xbf/0x210
<4>[  794.214511]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.214518]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.216724]  ? clear_bhb_loop+0x15/0x70
<4>[  794.216755] hardirqs last disabled at (245331950): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.216900] RAX: 0000000000000000 RBX: ffff888126b31c68 RCX: 0000000000000000
<4>[  794.216901] RDX: 0000000000000000 RSI: 0000000003d1638d RDI: 0000000000000000
<4>[  794.216902] RBP: ffffc90001a27378 R08: 00000000002f8b8c R09: 0000000000000001
<4>[  794.216904] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c874
<4>[  794.216905] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b8c003
<4>[  794.216907] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.216909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.216910] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.216912] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.216914] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.216915] Call Trace:
<4>[  794.216917]  <TASK>
<4>[  794.216918]  ? show_regs+0x6c/0x80
<4>[  794.216921]  ? __warn+0x93/0x1c0
<4>[  794.216924]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.216927]  ? report_bug+0x182/0x1b0
<4>[  794.216931]  ? handle_bug+0x6e/0xb0
<4>[  794.216933]  ? exc_invalid_op+0x18/0x80
<4>[  794.216936]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.216942]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.216945]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.216947]  ? mark_held_locks+0x46/0x90
<4>[  794.216955]  __iommu_map+0x119/0x2c0
<4>[  794.216961]  iommu_map_sg+0xbf/0x210
<4>[  794.216966]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.216973]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.219179]  ? clear_bhb_loop+0x15/0x70
<4>[  794.219198] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  794.219346] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.219348] RAX: 0000000000000000 RBX: ffff888126b31c70 RCX: 0000000000000000
<4>[  794.219350] RDX: 0000000000000000 RSI: 0000000003d1638e RDI: 0000000000000000
<4>[  794.219351] RBP: ffffc90001a27378 R08: 00000000002f8b8d R09: 0000000000000001
<4>[  794.219353] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c873
<4>[  794.219354] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b8d003
<4>[  794.219356] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.219358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.219359] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.219361] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.219362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.219364] Call Trace:
<4>[  794.219365]  <TASK>
<4>[  794.219366]  ? show_regs+0x6c/0x80
<4>[  794.219369]  ? __warn+0x93/0x1c0
<4>[  794.219372]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.219375]  ? report_bug+0x182/0x1b0
<4>[  794.219379]  ? handle_bug+0x6e/0xb0
<4>[  794.219381]  ? exc_invalid_op+0x18/0x80
<4>[  794.219384]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.219390]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.219393]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.219395]  ? mark_held_locks+0x46/0x90
<4>[  794.219403]  __iommu_map+0x119/0x2c0
<4>[  794.219409]  iommu_map_sg+0xbf/0x210
<4>[  794.219414]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.221134]  ? find_held_lock+0x31/0x90
<4>[  794.221637] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.221799] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.221801] RAX: 0000000000000000 RBX: ffff888126b31c78 RCX: 0000000000000000
<4>[  794.221803] RDX: 0000000000000000 RSI: 0000000003d1638f RDI: 0000000000000000
<4>[  794.221804] RBP: ffffc90001a27378 R08: 00000000002f8b8e R09: 0000000000000001
<4>[  794.221806] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c872
<4>[  794.221807] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b8e003
<4>[  794.221809] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.221810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.221812] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.221813] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.221815] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.221816] Call Trace:
<4>[  794.221817]  <TASK>
<4>[  794.221819]  ? show_regs+0x6c/0x80
<4>[  794.221822]  ? __warn+0x93/0x1c0
<4>[  794.221825]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.221828]  ? report_bug+0x182/0x1b0
<4>[  794.221832]  ? handle_bug+0x6e/0xb0
<4>[  794.221834]  ? exc_invalid_op+0x18/0x80
<4>[  794.221836]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.221843]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.221845]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.221848]  ? mark_held_locks+0x46/0x90
<4>[  794.221855]  __iommu_map+0x119/0x2c0
<4>[  794.221862]  iommu_map_sg+0xbf/0x210
<4>[  794.221867]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.221873]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.224081]  ? clear_bhb_loop+0x15/0x70
<4>[  794.224110] hardirqs last  enabled at (245335501): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.224251] RAX: 0000000000000000 RBX: ffff888126b31c80 RCX: 0000000000000000
<4>[  794.224252] RDX: 0000000000000000 RSI: 0000000003d16390 RDI: 0000000000000000
<4>[  794.224254] RBP: ffffc90001a27378 R08: 00000000002f8b8f R09: 0000000000000001
<4>[  794.224255] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c871
<4>[  794.224257] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b8f003
<4>[  794.224258] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.224260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.224261] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.224263] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.224264] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.224266] Call Trace:
<4>[  794.224267]  <TASK>
<4>[  794.224269]  ? show_regs+0x6c/0x80
<4>[  794.224272]  ? __warn+0x93/0x1c0
<4>[  794.224275]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.224278]  ? report_bug+0x182/0x1b0
<4>[  794.224281]  ? handle_bug+0x6e/0xb0
<4>[  794.224283]  ? exc_invalid_op+0x18/0x80
<4>[  794.224286]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.224292]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.224295]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.224297]  ? mark_held_locks+0x46/0x90
<4>[  794.224305]  __iommu_map+0x119/0x2c0
<4>[  794.224311]  iommu_map_sg+0xbf/0x210
<4>[  794.224316]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.224323]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.226528]  ? clear_bhb_loop+0x15/0x70
<4>[  794.226547] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  794.226695] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.226699] RDX: 0000000000000000 RSI: 0000000003d16391 RDI: 0000000000000000
<4>[  794.226701] RBP: ffffc90001a27378 R08: 00000000002f8b90 R09: 0000000000000001
<4>[  794.226702] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c870
<4>[  794.226704] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b90003
<4>[  794.226705] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.226707] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.226708] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.226710] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.226711] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.226713] Call Trace:
<4>[  794.226714]  <TASK>
<4>[  794.226715]  ? show_regs+0x6c/0x80
<4>[  794.226718]  ? __warn+0x93/0x1c0
<4>[  794.226721]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.226724]  ? report_bug+0x182/0x1b0
<4>[  794.226728]  ? handle_bug+0x6e/0xb0
<4>[  794.226730]  ? exc_invalid_op+0x18/0x80
<4>[  794.226733]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.226739]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.226742]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.226744]  ? mark_held_locks+0x46/0x90
<4>[  794.226752]  __iommu_map+0x119/0x2c0
<4>[  794.226758]  iommu_map_sg+0xbf/0x210
<4>[  794.226763]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.226769]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.226774]  dma_map_sgtable+0x1d/0x40
<4>[  794.227239]  ? lock_acquire+0xc9/0x300
<4>[  794.228979]  ? clear_bhb_loop+0x15/0x70
<4>[  794.229009] hardirqs last disabled at (245337876): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.229148] RAX: 0000000000000000 RBX: ffff888126b31c90 RCX: 0000000000000000
<4>[  794.229149] RDX: 0000000000000000 RSI: 0000000003d16392 RDI: 0000000000000000
<4>[  794.229151] RBP: ffffc90001a27378 R08: 00000000002f8b91 R09: 0000000000000001
<4>[  794.229152] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c86f
<4>[  794.229153] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b91003
<4>[  794.229155] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.229157] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.229158] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.229160] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.229161] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.229163] Call Trace:
<4>[  794.229164]  <TASK>
<4>[  794.229166]  ? show_regs+0x6c/0x80
<4>[  794.229169]  ? __warn+0x93/0x1c0
<4>[  794.229171]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.229174]  ? report_bug+0x182/0x1b0
<4>[  794.229178]  ? handle_bug+0x6e/0xb0
<4>[  794.229180]  ? exc_invalid_op+0x18/0x80
<4>[  794.229183]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.229189]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.229192]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.229194]  ? mark_held_locks+0x46/0x90
<4>[  794.229202]  __iommu_map+0x119/0x2c0
<4>[  794.229208]  iommu_map_sg+0xbf/0x210
<4>[  794.229213]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.229219]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.231415]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  794.231454] hardirqs last disabled at (245339060): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.231593] RAX: 0000000000000000 RBX: ffff888126b31c98 RCX: 0000000000000000
<4>[  794.231594] RDX: 0000000000000000 RSI: 0000000003d16393 RDI: 0000000000000000
<4>[  794.231596] RBP: ffffc90001a27378 R08: 00000000002f8b92 R09: 0000000000000001
<4>[  794.231597] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c86e
<4>[  794.231598] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b92003
<4>[  794.231600] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.231602] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.231603] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.231605] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.231606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.231608] Call Trace:
<4>[  794.231609]  <TASK>
<4>[  794.231610]  ? show_regs+0x6c/0x80
<4>[  794.231614]  ? __warn+0x93/0x1c0
<4>[  794.231617]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.231620]  ? report_bug+0x182/0x1b0
<4>[  794.231623]  ? handle_bug+0x6e/0xb0
<4>[  794.231625]  ? exc_invalid_op+0x18/0x80
<4>[  794.231628]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.231634]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.231637]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.231639]  ? mark_held_locks+0x46/0x90
<4>[  794.231647]  __iommu_map+0x119/0x2c0
<4>[  794.231653]  iommu_map_sg+0xbf/0x210
<4>[  794.231658]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.231664]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.233873]  ? clear_bhb_loop+0x15/0x70
<4>[  794.233899]  </TASK>
<4>[  794.233906] softirqs last  enabled at (245317554): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.234042] RAX: 0000000000000000 RBX: ffff888126b31ca0 RCX: 0000000000000000
<4>[  794.234043] RDX: 0000000000000000 RSI: 0000000003d16394 RDI: 0000000000000000
<4>[  794.234045] RBP: ffffc90001a27378 R08: 00000000002f8b93 R09: 0000000000000001
<4>[  794.234046] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c86d
<4>[  794.234048] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b93003
<4>[  794.234049] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.234051] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.234053] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.234054] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.234056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.234057] Call Trace:
<4>[  794.234058]  <TASK>
<4>[  794.234060]  ? show_regs+0x6c/0x80
<4>[  794.234063]  ? __warn+0x93/0x1c0
<4>[  794.234066]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.234069]  ? report_bug+0x182/0x1b0
<4>[  794.234072]  ? handle_bug+0x6e/0xb0
<4>[  794.234075]  ? exc_invalid_op+0x18/0x80
<4>[  794.234077]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.234083]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.234086]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.234088]  ? mark_held_locks+0x46/0x90
<4>[  794.234096]  __iommu_map+0x119/0x2c0
<4>[  794.234102]  iommu_map_sg+0xbf/0x210
<4>[  794.234107]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.234113]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.236315]  ? clear_bhb_loop+0x15/0x70
<4>[  794.236342] irq event stamp: 245341419
<4>[  794.236452]  nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi acpi_tad pmt_telemetry pmt_class intel_vsec acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  794.236487] RBP: ffffc90001a27378 R08: 00000000002f8b94 R09: 0000000000000001
<4>[  794.236488] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c86c
<4>[  794.236490] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b94003
<4>[  794.236491] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.236493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.236494] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.236496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.236497] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.236499] Call Trace:
<4>[  794.236500]  <TASK>
<4>[  794.236502]  ? show_regs+0x6c/0x80
<4>[  794.236505]  ? __warn+0x93/0x1c0
<4>[  794.236508]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.236511]  ? report_bug+0x182/0x1b0
<4>[  794.236514]  ? handle_bug+0x6e/0xb0
<4>[  794.236516]  ? exc_invalid_op+0x18/0x80
<4>[  794.236519]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.236525]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.236528]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.236531]  ? mark_held_locks+0x46/0x90
<4>[  794.236538]  __iommu_map+0x119/0x2c0
<4>[  794.236544]  iommu_map_sg+0xbf/0x210
<4>[  794.236563]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.238775] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.238932] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.238939] RBP: ffffc90001a27378 R08: 00000000002f8b95 R09: 0000000000000001
<4>[  794.238940] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c86b
<4>[  794.238942] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b95003
<4>[  794.238943] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.238945] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.238947] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.238948] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.238949] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.238951] Call Trace:
<4>[  794.238952]  <TASK>
<4>[  794.238954]  ? show_regs+0x6c/0x80
<4>[  794.238957]  ? __warn+0x93/0x1c0
<4>[  794.238960]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.238963]  ? report_bug+0x182/0x1b0
<4>[  794.238966]  ? handle_bug+0x6e/0xb0
<4>[  794.238969]  ? exc_invalid_op+0x18/0x80
<4>[  794.238971]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.238977]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.238980]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.238982]  ? mark_held_locks+0x46/0x90
<4>[  794.238990]  __iommu_map+0x119/0x2c0
<4>[  794.238996]  iommu_map_sg+0xbf/0x210
<4>[  794.239001]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.241026]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.241227] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.241380] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.241387] RBP: ffffc90001a27378 R08: 00000000002f8b96 R09: 0000000000000001
<4>[  794.241389] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c86a
<4>[  794.241390] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b96003
<4>[  794.241392] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.241393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.241395] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.241396] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.241398] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.241399] Call Trace:
<4>[  794.241400]  <TASK>
<4>[  794.241402]  ? show_regs+0x6c/0x80
<4>[  794.241405]  ? __warn+0x93/0x1c0
<4>[  794.241408]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.241411]  ? report_bug+0x182/0x1b0
<4>[  794.241415]  ? handle_bug+0x6e/0xb0
<4>[  794.241417]  ? exc_invalid_op+0x18/0x80
<4>[  794.241419]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.241425]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.241428]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.241431]  ? mark_held_locks+0x46/0x90
<4>[  794.241438]  __iommu_map+0x119/0x2c0
<4>[  794.241444]  iommu_map_sg+0xbf/0x210
<4>[  794.241449]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.243476]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.243678] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.243836] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.243843] RBP: ffffc90001a27378 R08: 00000000002f8b97 R09: 0000000000000001
<4>[  794.243845] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c869
<4>[  794.243846] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b97003
<4>[  794.243848] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.243850] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.243851] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.243853] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.243854] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.243856] Call Trace:
<4>[  794.243857]  <TASK>
<4>[  794.243859]  ? show_regs+0x6c/0x80
<4>[  794.243862]  ? __warn+0x93/0x1c0
<4>[  794.243865]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.243868]  ? report_bug+0x182/0x1b0
<4>[  794.243872]  ? handle_bug+0x6e/0xb0
<4>[  794.243874]  ? exc_invalid_op+0x18/0x80
<4>[  794.243877]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.243883]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.243886]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.243888]  ? mark_held_locks+0x46/0x90
<4>[  794.243896]  __iommu_map+0x119/0x2c0
<4>[  794.243902]  iommu_map_sg+0xbf/0x210
<4>[  794.243907]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.246096]  __x64_sys_ioctl+0xa4/0xe0
<4>[  794.246135] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.246287] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.246289] RAX: 0000000000000000 RBX: ffff888126b31cc8 RCX: 0000000000000000
<4>[  794.246291] RDX: 0000000000000000 RSI: 0000000003d16399 RDI: 0000000000000000
<4>[  794.246292] RBP: ffffc90001a27378 R08: 00000000002f8b98 R09: 0000000000000001
<4>[  794.246294] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c868
<4>[  794.246295] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b98003
<4>[  794.246297] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.246298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.246300] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.246301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.246303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.246304] Call Trace:
<4>[  794.246305]  <TASK>
<4>[  794.246307]  ? show_regs+0x6c/0x80
<4>[  794.246310]  ? __warn+0x93/0x1c0
<4>[  794.246313]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.246316]  ? report_bug+0x182/0x1b0
<4>[  794.246320]  ? handle_bug+0x6e/0xb0
<4>[  794.246322]  ? exc_invalid_op+0x18/0x80
<4>[  794.246324]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.246330]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.246333]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.246336]  ? mark_held_locks+0x46/0x90
<4>[  794.246343]  __iommu_map+0x119/0x2c0
<4>[  794.246349]  iommu_map_sg+0xbf/0x210
<4>[  794.246354]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.246368]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.248583] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.248737] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.248739] RAX: 0000000000000000 RBX: ffff888126b31cd0 RCX: 0000000000000000
<4>[  794.248740] RDX: 0000000000000000 RSI: 0000000003d1639a RDI: 0000000000000000
<4>[  794.248742] RBP: ffffc90001a27378 R08: 00000000002f8b99 R09: 0000000000000001
<4>[  794.248743] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c867
<4>[  794.248745] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b99003
<4>[  794.248746] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.248748] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.248750] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.248751] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.248753] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.248754] Call Trace:
<4>[  794.248755]  <TASK>
<4>[  794.248757]  ? show_regs+0x6c/0x80
<4>[  794.248760]  ? __warn+0x93/0x1c0
<4>[  794.248763]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.248766]  ? report_bug+0x182/0x1b0
<4>[  794.248769]  ? handle_bug+0x6e/0xb0
<4>[  794.248772]  ? exc_invalid_op+0x18/0x80
<4>[  794.248774]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.248780]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.248788]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.248791]  ? mark_held_locks+0x46/0x90
<4>[  794.248798]  __iommu_map+0x119/0x2c0
<4>[  794.248804]  iommu_map_sg+0xbf/0x210
<4>[  794.248809]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.248975]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  794.251031] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.251188] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.251190] RAX: 0000000000000000 RBX: ffff888126b31cd8 RCX: 0000000000000000
<4>[  794.251191] RDX: 0000000000000000 RSI: 0000000003d1639b RDI: 0000000000000000
<4>[  794.251193] RBP: ffffc90001a27378 R08: 00000000002f8b9a R09: 0000000000000001
<4>[  794.251194] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c866
<4>[  794.251196] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b9a003
<4>[  794.251197] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.251199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.251201] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.251202] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.251204] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.251205] Call Trace:
<4>[  794.251206]  <TASK>
<4>[  794.251208]  ? show_regs+0x6c/0x80
<4>[  794.251211]  ? __warn+0x93/0x1c0
<4>[  794.251214]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.251217]  ? report_bug+0x182/0x1b0
<4>[  794.251221]  ? handle_bug+0x6e/0xb0
<4>[  794.251223]  ? exc_invalid_op+0x18/0x80
<4>[  794.251225]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.251231]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.251234]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.251237]  ? mark_held_locks+0x46/0x90
<4>[  794.251244]  __iommu_map+0x119/0x2c0
<4>[  794.251250]  iommu_map_sg+0xbf/0x210
<4>[  794.251256]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.251262]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.253470]  ? clear_bhb_loop+0x15/0x70
<4>[  794.253498] hardirqs last  enabled at (245349719): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.253639] RAX: 0000000000000000 RBX: ffff888126b31ce0 RCX: 0000000000000000
<4>[  794.253640] RDX: 0000000000000000 RSI: 0000000003d1639c RDI: 0000000000000000
<4>[  794.253641] RBP: ffffc90001a27378 R08: 00000000002f8b9b R09: 0000000000000001
<4>[  794.253643] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c865
<4>[  794.253644] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b9b003
<4>[  794.253646] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.253648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.253649] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.253651] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.253652] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.253654] Call Trace:
<4>[  794.253655]  <TASK>
<4>[  794.253656]  ? show_regs+0x6c/0x80
<4>[  794.253660]  ? __warn+0x93/0x1c0
<4>[  794.253662]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.253665]  ? report_bug+0x182/0x1b0
<4>[  794.253669]  ? handle_bug+0x6e/0xb0
<4>[  794.253671]  ? exc_invalid_op+0x18/0x80
<4>[  794.253674]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.253680]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.253683]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.253685]  ? mark_held_locks+0x46/0x90
<4>[  794.253692]  __iommu_map+0x119/0x2c0
<4>[  794.253699]  iommu_map_sg+0xbf/0x210
<4>[  794.253703]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.253710]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.255920]  ? clear_bhb_loop+0x15/0x70
<4>[  794.255947]  </TASK>
<4>[  794.255954] softirqs last  enabled at (245317554): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.256090] RAX: 0000000000000000 RBX: ffff888126b31ce8 RCX: 0000000000000000
<4>[  794.256092] RDX: 0000000000000000 RSI: 0000000003d1639d RDI: 0000000000000000
<4>[  794.256093] RBP: ffffc90001a27378 R08: 00000000002f8b9c R09: 0000000000000001
<4>[  794.256094] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c864
<4>[  794.256096] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b9c003
<4>[  794.256097] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.256099] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.256101] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.256102] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.256104] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.256105] Call Trace:
<4>[  794.256106]  <TASK>
<4>[  794.256108]  ? show_regs+0x6c/0x80
<4>[  794.256111]  ? __warn+0x93/0x1c0
<4>[  794.256114]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.256117]  ? report_bug+0x182/0x1b0
<4>[  794.256121]  ? handle_bug+0x6e/0xb0
<4>[  794.256123]  ? exc_invalid_op+0x18/0x80
<4>[  794.256125]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.256131]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.256134]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.256137]  ? mark_held_locks+0x46/0x90
<4>[  794.256144]  __iommu_map+0x119/0x2c0
<4>[  794.256150]  iommu_map_sg+0xbf/0x210
<4>[  794.256155]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.256162]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.258366]  ? clear_bhb_loop+0x15/0x70
<4>[  794.258392]  </TASK>
<4>[  794.258400] softirqs last  enabled at (245317554): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.258535] RAX: 0000000000000000 RBX: ffff888126b31cf0 RCX: 0000000000000000
<4>[  794.258537] RDX: 0000000000000000 RSI: 0000000003d1639e RDI: 0000000000000000
<4>[  794.258538] RBP: ffffc90001a27378 R08: 00000000002f8b9d R09: 0000000000000001
<4>[  794.258540] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c863
<4>[  794.258541] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b9d003
<4>[  794.258543] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.258545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.258546] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.258548] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.258549] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.258550] Call Trace:
<4>[  794.258552]  <TASK>
<4>[  794.258553]  ? show_regs+0x6c/0x80
<4>[  794.258556]  ? __warn+0x93/0x1c0
<4>[  794.258559]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.258562]  ? report_bug+0x182/0x1b0
<4>[  794.258566]  ? handle_bug+0x6e/0xb0
<4>[  794.258568]  ? exc_invalid_op+0x18/0x80
<4>[  794.258571]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.258577]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.258579]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.258582]  ? mark_held_locks+0x46/0x90
<4>[  794.258589]  __iommu_map+0x119/0x2c0
<4>[  794.258596]  iommu_map_sg+0xbf/0x210
<4>[  794.258601]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.258766]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  794.260827] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.260984] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.260986] RAX: 0000000000000000 RBX: ffff888126b31cf8 RCX: 0000000000000000
<4>[  794.260988] RDX: 0000000000000000 RSI: 0000000003d1639f RDI: 0000000000000000
<4>[  794.260989] RBP: ffffc90001a27378 R08: 00000000002f8b9e R09: 0000000000000001
<4>[  794.260991] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c862
<4>[  794.260992] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b9e003
<4>[  794.260994] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.260996] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.260997] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.260999] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.261000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.261002] Call Trace:
<4>[  794.261003]  <TASK>
<4>[  794.261004]  ? show_regs+0x6c/0x80
<4>[  794.261007]  ? __warn+0x93/0x1c0
<4>[  794.261010]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.261013]  ? report_bug+0x182/0x1b0
<4>[  794.261017]  ? handle_bug+0x6e/0xb0
<4>[  794.261019]  ? exc_invalid_op+0x18/0x80
<4>[  794.261022]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.261028]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.261031]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.261033]  ? mark_held_locks+0x46/0x90
<4>[  794.261041]  __iommu_map+0x119/0x2c0
<4>[  794.261047]  iommu_map_sg+0xbf/0x210
<4>[  794.261052]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.261370]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.263274] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.263426] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.263433] RBP: ffffc90001a27378 R08: 00000000002f8b9f R09: 0000000000000001
<4>[  794.263434] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c861
<4>[  794.263436] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8b9f003
<4>[  794.263437] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.263439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.263441] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.263442] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.263444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.263445] Call Trace:
<4>[  794.263446]  <TASK>
<4>[  794.263448]  ? show_regs+0x6c/0x80
<4>[  794.263451]  ? __warn+0x93/0x1c0
<4>[  794.263454]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.263457]  ? report_bug+0x182/0x1b0
<4>[  794.263460]  ? handle_bug+0x6e/0xb0
<4>[  794.263463]  ? exc_invalid_op+0x18/0x80
<4>[  794.263465]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.263471]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.263474]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.263477]  ? mark_held_locks+0x46/0x90
<4>[  794.263484]  __iommu_map+0x119/0x2c0
<4>[  794.263490]  iommu_map_sg+0xbf/0x210
<4>[  794.263495]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.265519]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.265720] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.265878] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.265884] RBP: ffffc90001a27378 R08: 00000000002f8ba0 R09: 0000000000000001
<4>[  794.265886] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c860
<4>[  794.265887] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ba0003
<4>[  794.265889] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.265891] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.265892] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.265894] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.265895] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.265896] Call Trace:
<4>[  794.265898]  <TASK>
<4>[  794.265899]  ? show_regs+0x6c/0x80
<4>[  794.265902]  ? __warn+0x93/0x1c0
<4>[  794.265905]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.265908]  ? report_bug+0x182/0x1b0
<4>[  794.265912]  ? handle_bug+0x6e/0xb0
<4>[  794.265914]  ? exc_invalid_op+0x18/0x80
<4>[  794.265917]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.265923]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.265926]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.265929]  ? mark_held_locks+0x46/0x90
<4>[  794.265936]  __iommu_map+0x119/0x2c0
<4>[  794.265942]  iommu_map_sg+0xbf/0x210
<4>[  794.265947]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.268150]  ? irqentry_exit_to_user_mode+0x8b/0x260
<4>[  794.268189] hardirqs last disabled at (245356834): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.268327] RAX: 0000000000000000 RBX: ffff888126b31d10 RCX: 0000000000000000
<4>[  794.268329] RDX: 0000000000000000 RSI: 0000000003d163a2 RDI: 0000000000000000
<4>[  794.268330] RBP: ffffc90001a27378 R08: 00000000002f8ba1 R09: 0000000000000001
<4>[  794.268332] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c85f
<4>[  794.268333] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ba1003
<4>[  794.268335] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.268337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.268338] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.268340] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.268341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.268342] Call Trace:
<4>[  794.268344]  <TASK>
<4>[  794.268345]  ? show_regs+0x6c/0x80
<4>[  794.268348]  ? __warn+0x93/0x1c0
<4>[  794.268351]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.268354]  ? report_bug+0x182/0x1b0
<4>[  794.268358]  ? handle_bug+0x6e/0xb0
<4>[  794.268360]  ? exc_invalid_op+0x18/0x80
<4>[  794.268363]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.268369]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.268371]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.268374]  ? mark_held_locks+0x46/0x90
<4>[  794.268381]  __iommu_map+0x119/0x2c0
<4>[  794.268388]  iommu_map_sg+0xbf/0x210
<4>[  794.268392]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.268399]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.270603]  ? clear_bhb_loop+0x15/0x70
<4>[  794.270620] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.270770] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.270772] RAX: 0000000000000000 RBX: ffff888126b31d18 RCX: 0000000000000000
<4>[  794.270774] RDX: 0000000000000000 RSI: 0000000003d163a3 RDI: 0000000000000000
<4>[  794.270775] RBP: ffffc90001a27378 R08: 00000000002f8ba2 R09: 0000000000000001
<4>[  794.270776] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c85e
<4>[  794.270778] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ba2003
<4>[  794.270779] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.270781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.270787] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.270789] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.270790] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.270792] Call Trace:
<4>[  794.270793]  <TASK>
<4>[  794.270795]  ? show_regs+0x6c/0x80
<4>[  794.270798]  ? __warn+0x93/0x1c0
<4>[  794.270801]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.270804]  ? report_bug+0x182/0x1b0
<4>[  794.270807]  ? handle_bug+0x6e/0xb0
<4>[  794.270810]  ? exc_invalid_op+0x18/0x80
<4>[  794.270812]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.270818]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.270821]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.270823]  ? mark_held_locks+0x46/0x90
<4>[  794.270831]  __iommu_map+0x119/0x2c0
<4>[  794.270837]  iommu_map_sg+0xbf/0x210
<4>[  794.270842]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.271161]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.273064] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.273221] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.273223] RAX: 0000000000000000 RBX: ffff888126b31d20 RCX: 0000000000000000
<4>[  794.273225] RDX: 0000000000000000 RSI: 0000000003d163a4 RDI: 0000000000000000
<4>[  794.273226] RBP: ffffc90001a27378 R08: 00000000002f8ba3 R09: 0000000000000001
<4>[  794.273227] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c85d
<4>[  794.273229] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ba3003
<4>[  794.273231] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.273232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.273234] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.273235] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.273237] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.273238] Call Trace:
<4>[  794.273239]  <TASK>
<4>[  794.273241]  ? show_regs+0x6c/0x80
<4>[  794.273244]  ? __warn+0x93/0x1c0
<4>[  794.273247]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.273250]  ? report_bug+0x182/0x1b0
<4>[  794.273254]  ? handle_bug+0x6e/0xb0
<4>[  794.273256]  ? exc_invalid_op+0x18/0x80
<4>[  794.273258]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.273265]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.273267]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.273270]  ? mark_held_locks+0x46/0x90
<4>[  794.273277]  __iommu_map+0x119/0x2c0
<4>[  794.273283]  iommu_map_sg+0xbf/0x210
<4>[  794.273288]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.273606]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.275512] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.275664] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.275671] RBP: ffffc90001a27378 R08: 00000000002f8ba4 R09: 0000000000000001
<4>[  794.275673] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c85c
<4>[  794.275674] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ba4003
<4>[  794.275676] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.275677] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.275679] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.275680] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.275682] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.275683] Call Trace:
<4>[  794.275684]  <TASK>
<4>[  794.275686]  ? show_regs+0x6c/0x80
<4>[  794.275689]  ? __warn+0x93/0x1c0
<4>[  794.275692]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.275695]  ? report_bug+0x182/0x1b0
<4>[  794.275699]  ? handle_bug+0x6e/0xb0
<4>[  794.275701]  ? exc_invalid_op+0x18/0x80
<4>[  794.275703]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.275710]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.275712]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.275715]  ? mark_held_locks+0x46/0x90
<4>[  794.275722]  __iommu_map+0x119/0x2c0
<4>[  794.275728]  iommu_map_sg+0xbf/0x210
<4>[  794.275733]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.277452]  ? find_held_lock+0x31/0x90
<4>[  794.277958] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.278113] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.278120] RBP: ffffc90001a27378 R08: 00000000002f8ba5 R09: 0000000000000001
<4>[  794.278122] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c85b
<4>[  794.278123] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ba5003
<4>[  794.278125] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.278126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.278128] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.278130] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.278131] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.278132] Call Trace:
<4>[  794.278134]  <TASK>
<4>[  794.278135]  ? show_regs+0x6c/0x80
<4>[  794.278138]  ? __warn+0x93/0x1c0
<4>[  794.278141]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.278144]  ? report_bug+0x182/0x1b0
<4>[  794.278148]  ? handle_bug+0x6e/0xb0
<4>[  794.278150]  ? exc_invalid_op+0x18/0x80
<4>[  794.278152]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.278159]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.278161]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.278164]  ? mark_held_locks+0x46/0x90
<4>[  794.278171]  __iommu_map+0x119/0x2c0
<4>[  794.278178]  iommu_map_sg+0xbf/0x210
<4>[  794.278183]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.280363]  ? find_held_lock+0x31/0x90
<4>[  794.280409] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.280561] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.280564] RAX: 0000000000000000 RBX: ffff888126b31d38 RCX: 0000000000000000
<4>[  794.280565] RDX: 0000000000000000 RSI: 0000000003d163a7 RDI: 0000000000000000
<4>[  794.280567] RBP: ffffc90001a27378 R08: 00000000002f8ba6 R09: 0000000000000001
<4>[  794.280568] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c85a
<4>[  794.280569] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ba6003
<4>[  794.280571] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.280573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.280574] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.280576] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.280577] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.280579] Call Trace:
<4>[  794.280580]  <TASK>
<4>[  794.280581]  ? show_regs+0x6c/0x80
<4>[  794.280585]  ? __warn+0x93/0x1c0
<4>[  794.280587]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.280590]  ? report_bug+0x182/0x1b0
<4>[  794.280594]  ? handle_bug+0x6e/0xb0
<4>[  794.280596]  ? exc_invalid_op+0x18/0x80
<4>[  794.280599]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.280605]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.280608]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.280610]  ? mark_held_locks+0x46/0x90
<4>[  794.280618]  __iommu_map+0x119/0x2c0
<4>[  794.280624]  iommu_map_sg+0xbf/0x210
<4>[  794.280629]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.280799]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  794.282857] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.283013] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.283015] RAX: 0000000000000000 RBX: ffff888126b31d40 RCX: 0000000000000000
<4>[  794.283017] RDX: 0000000000000000 RSI: 0000000003d163a8 RDI: 0000000000000000
<4>[  794.283018] RBP: ffffc90001a27378 R08: 00000000002f8ba7 R09: 0000000000000001
<4>[  794.283020] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c859
<4>[  794.283021] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ba7003
<4>[  794.283023] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.283025] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.283026] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.283028] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.283029] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.283030] Call Trace:
<4>[  794.283032]  <TASK>
<4>[  794.283033]  ? show_regs+0x6c/0x80
<4>[  794.283036]  ? __warn+0x93/0x1c0
<4>[  794.283039]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.283042]  ? report_bug+0x182/0x1b0
<4>[  794.283046]  ? handle_bug+0x6e/0xb0
<4>[  794.283048]  ? exc_invalid_op+0x18/0x80
<4>[  794.283050]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.283057]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.283059]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.283062]  ? mark_held_locks+0x46/0x90
<4>[  794.283069]  __iommu_map+0x119/0x2c0
<4>[  794.283076]  iommu_map_sg+0xbf/0x210
<4>[  794.283080]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.283087]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.285293]  ? clear_bhb_loop+0x15/0x70
<4>[  794.285320] irq event stamp: 245365117
<4>[  794.285431]  nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi acpi_tad pmt_telemetry pmt_class intel_vsec acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  794.285465] RBP: ffffc90001a27378 R08: 00000000002f8ba8 R09: 0000000000000001
<4>[  794.285466] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c858
<4>[  794.285468] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ba8003
<4>[  794.285469] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.285471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.285473] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.285474] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.285476] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.285477] Call Trace:
<4>[  794.285478]  <TASK>
<4>[  794.285480]  ? show_regs+0x6c/0x80
<4>[  794.285483]  ? __warn+0x93/0x1c0
<4>[  794.285486]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.285489]  ? report_bug+0x182/0x1b0
<4>[  794.285493]  ? handle_bug+0x6e/0xb0
<4>[  794.285495]  ? exc_invalid_op+0x18/0x80
<4>[  794.285497]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.285503]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.285506]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.285509]  ? mark_held_locks+0x46/0x90
<4>[  794.285516]  __iommu_map+0x119/0x2c0
<4>[  794.285522]  iommu_map_sg+0xbf/0x210
<4>[  794.285527]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.287741]  ? clear_bhb_loop+0x15/0x70
<4>[  794.287767]  </TASK>
<4>[  794.287774] softirqs last  enabled at (245317554): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.287916] RAX: 0000000000000000 RBX: ffff888126b31d50 RCX: 0000000000000000
<4>[  794.287918] RDX: 0000000000000000 RSI: 0000000003d163aa RDI: 0000000000000000
<4>[  794.287919] RBP: ffffc90001a27378 R08: 00000000002f8ba9 R09: 0000000000000001
<4>[  794.287921] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c857
<4>[  794.287922] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8ba9003
<4>[  794.287924] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.287926] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.287927] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.287929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.287931] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.287932] Call Trace:
<4>[  794.287933]  <TASK>
<4>[  794.287935]  ? show_regs+0x6c/0x80
<4>[  794.287938]  ? __warn+0x93/0x1c0
<4>[  794.287941]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.287944]  ? report_bug+0x182/0x1b0
<4>[  794.287948]  ? handle_bug+0x6e/0xb0
<4>[  794.287950]  ? exc_invalid_op+0x18/0x80
<4>[  794.287952]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.287959]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.287961]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.287964]  ? mark_held_locks+0x46/0x90
<4>[  794.287972]  __iommu_map+0x119/0x2c0
<4>[  794.287978]  iommu_map_sg+0xbf/0x210
<4>[  794.287983]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.287989]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.290195]  ? clear_bhb_loop+0x15/0x70
<4>[  794.290222] irq event stamp: 245367487
<4>[  794.290333]  nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi acpi_tad pmt_telemetry pmt_class intel_vsec acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  794.290367] RBP: ffffc90001a27378 R08: 00000000002f8baa R09: 0000000000000001
<4>[  794.290369] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c856
<4>[  794.290370] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8baa003
<4>[  794.290372] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.290373] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.290375] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.290377] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.290378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.290379] Call Trace:
<4>[  794.290381]  <TASK>
<4>[  794.290382]  ? show_regs+0x6c/0x80
<4>[  794.290385]  ? __warn+0x93/0x1c0
<4>[  794.290388]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.290391]  ? report_bug+0x182/0x1b0
<4>[  794.290395]  ? handle_bug+0x6e/0xb0
<4>[  794.290397]  ? exc_invalid_op+0x18/0x80
<4>[  794.290400]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.290406]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.290409]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.290411]  ? mark_held_locks+0x46/0x90
<4>[  794.290418]  __iommu_map+0x119/0x2c0
<4>[  794.290425]  iommu_map_sg+0xbf/0x210
<4>[  794.290444]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.292654] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.292812] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.292818] RBP: ffffc90001a27378 R08: 00000000002f8bab R09: 0000000000000001
<4>[  794.292820] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c855
<4>[  794.292821] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bab003
<4>[  794.292823] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.292825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.292826] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.292828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.292829] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.292831] Call Trace:
<4>[  794.292832]  <TASK>
<4>[  794.292833]  ? show_regs+0x6c/0x80
<4>[  794.292836]  ? __warn+0x93/0x1c0
<4>[  794.292839]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.292842]  ? report_bug+0x182/0x1b0
<4>[  794.292846]  ? handle_bug+0x6e/0xb0
<4>[  794.292848]  ? exc_invalid_op+0x18/0x80
<4>[  794.292851]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.292857]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.292860]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.292863]  ? mark_held_locks+0x46/0x90
<4>[  794.292870]  __iommu_map+0x119/0x2c0
<4>[  794.292876]  iommu_map_sg+0xbf/0x210
<4>[  794.292881]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.294904]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.295106] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.295258] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.295265] RBP: ffffc90001a27378 R08: 00000000002f8bac R09: 0000000000000001
<4>[  794.295266] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c854
<4>[  794.295268] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bac003
<4>[  794.295269] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.295271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.295272] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.295274] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.295275] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.295277] Call Trace:
<4>[  794.295278]  <TASK>
<4>[  794.295280]  ? show_regs+0x6c/0x80
<4>[  794.295283]  ? __warn+0x93/0x1c0
<4>[  794.295286]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.295289]  ? report_bug+0x182/0x1b0
<4>[  794.295292]  ? handle_bug+0x6e/0xb0
<4>[  794.295294]  ? exc_invalid_op+0x18/0x80
<4>[  794.295297]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.295303]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.295306]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.295308]  ? mark_held_locks+0x46/0x90
<4>[  794.295316]  __iommu_map+0x119/0x2c0
<4>[  794.295322]  iommu_map_sg+0xbf/0x210
<4>[  794.295327]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.297538]  ? clear_bhb_loop+0x15/0x70
<4>[  794.297555] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.297704] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.297707] RAX: 0000000000000000 RBX: ffff888126b31d70 RCX: 0000000000000000
<4>[  794.297708] RDX: 0000000000000000 RSI: 0000000003d163ae RDI: 0000000000000000
<4>[  794.297710] RBP: ffffc90001a27378 R08: 00000000002f8bad R09: 0000000000000001
<4>[  794.297711] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c853
<4>[  794.297713] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bad003
<4>[  794.297714] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.297716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.297717] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.297719] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.297720] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.297722] Call Trace:
<4>[  794.297723]  <TASK>
<4>[  794.297725]  ? show_regs+0x6c/0x80
<4>[  794.297728]  ? __warn+0x93/0x1c0
<4>[  794.297731]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.297734]  ? report_bug+0x182/0x1b0
<4>[  794.297737]  ? handle_bug+0x6e/0xb0
<4>[  794.297740]  ? exc_invalid_op+0x18/0x80
<4>[  794.297742]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.297748]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.297751]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.297753]  ? mark_held_locks+0x46/0x90
<4>[  794.297761]  __iommu_map+0x119/0x2c0
<4>[  794.297767]  iommu_map_sg+0xbf/0x210
<4>[  794.297772]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.298247]  ? lock_acquire+0xc9/0x300
<4>[  794.299986]  ? clear_bhb_loop+0x15/0x70
<4>[  794.300018] hardirqs last disabled at (245372238): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.300155] RAX: 0000000000000000 RBX: ffff888126b31d78 RCX: 0000000000000000
<4>[  794.300157] RDX: 0000000000000000 RSI: 0000000003d163af RDI: 0000000000000000
<4>[  794.300158] RBP: ffffc90001a27378 R08: 00000000002f8bae R09: 0000000000000001
<4>[  794.300160] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c852
<4>[  794.300161] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bae003
<4>[  794.300163] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.300165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.300166] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.300168] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.300169] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.300171] Call Trace:
<4>[  794.300172]  <TASK>
<4>[  794.300173]  ? show_regs+0x6c/0x80
<4>[  794.300176]  ? __warn+0x93/0x1c0
<4>[  794.300179]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.300182]  ? report_bug+0x182/0x1b0
<4>[  794.300186]  ? handle_bug+0x6e/0xb0
<4>[  794.300188]  ? exc_invalid_op+0x18/0x80
<4>[  794.300191]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.300197]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.300199]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.300202]  ? mark_held_locks+0x46/0x90
<4>[  794.300209]  __iommu_map+0x119/0x2c0
<4>[  794.300216]  iommu_map_sg+0xbf/0x210
<4>[  794.300221]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.300227]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.302433]  ? clear_bhb_loop+0x15/0x70
<4>[  794.302459]  </TASK>
<4>[  794.302466] softirqs last  enabled at (245317554): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.302602] RAX: 0000000000000000 RBX: ffff888126b31d80 RCX: 0000000000000000
<4>[  794.302604] RDX: 0000000000000000 RSI: 0000000003d163b0 RDI: 0000000000000000
<4>[  794.302605] RBP: ffffc90001a27378 R08: 00000000002f8baf R09: 0000000000000001
<4>[  794.302607] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c851
<4>[  794.302608] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8baf003
<4>[  794.302610] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.302612] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.302613] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.302615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.302616] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.302617] Call Trace:
<4>[  794.302619]  <TASK>
<4>[  794.302620]  ? show_regs+0x6c/0x80
<4>[  794.302623]  ? __warn+0x93/0x1c0
<4>[  794.302626]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.302629]  ? report_bug+0x182/0x1b0
<4>[  794.302633]  ? handle_bug+0x6e/0xb0
<4>[  794.302635]  ? exc_invalid_op+0x18/0x80
<4>[  794.302638]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.302644]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.302646]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.302649]  ? mark_held_locks+0x46/0x90
<4>[  794.302656]  __iommu_map+0x119/0x2c0
<4>[  794.302663]  iommu_map_sg+0xbf/0x210
<4>[  794.302668]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.302674]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.304884]  ? clear_bhb_loop+0x15/0x70
<4>[  794.304913] hardirqs last  enabled at (245374603): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.305054] RAX: 0000000000000000 RBX: ffff888126b31d88 RCX: 0000000000000000
<4>[  794.305055] RDX: 0000000000000000 RSI: 0000000003d163b1 RDI: 0000000000000000
<4>[  794.305057] RBP: ffffc90001a27378 R08: 00000000002f8bb0 R09: 0000000000000001
<4>[  794.305058] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c850
<4>[  794.305060] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bb0003
<4>[  794.305061] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.305063] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.305064] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.305066] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.305067] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.305069] Call Trace:
<4>[  794.305070]  <TASK>
<4>[  794.305072]  ? show_regs+0x6c/0x80
<4>[  794.305075]  ? __warn+0x93/0x1c0
<4>[  794.305078]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.305081]  ? report_bug+0x182/0x1b0
<4>[  794.305084]  ? handle_bug+0x6e/0xb0
<4>[  794.305087]  ? exc_invalid_op+0x18/0x80
<4>[  794.305089]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.305095]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.305098]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.305101]  ? mark_held_locks+0x46/0x90
<4>[  794.305108]  __iommu_map+0x119/0x2c0
<4>[  794.305114]  iommu_map_sg+0xbf/0x210
<4>[  794.305119]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.305126]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.307325]  ? irqentry_exit+0x77/0xb0
<4>[  794.307346] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  794.307497] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.307499] RAX: 0000000000000000 RBX: ffff888126b31d90 RCX: 0000000000000000
<4>[  794.307500] RDX: 0000000000000000 RSI: 0000000003d163b2 RDI: 0000000000000000
<4>[  794.307502] RBP: ffffc90001a27378 R08: 00000000002f8bb1 R09: 0000000000000001
<4>[  794.307503] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c84f
<4>[  794.307505] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bb1003
<4>[  794.307506] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.307508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.307510] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.307511] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.307513] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.307514] Call Trace:
<4>[  794.307515]  <TASK>
<4>[  794.307517]  ? show_regs+0x6c/0x80
<4>[  794.307520]  ? __warn+0x93/0x1c0
<4>[  794.307523]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.307526]  ? report_bug+0x182/0x1b0
<4>[  794.307529]  ? handle_bug+0x6e/0xb0
<4>[  794.307532]  ? exc_invalid_op+0x18/0x80
<4>[  794.307534]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.307540]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.307543]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.307546]  ? mark_held_locks+0x46/0x90
<4>[  794.307553]  __iommu_map+0x119/0x2c0
<4>[  794.307559]  iommu_map_sg+0xbf/0x210
<4>[  794.307564]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.308810]  eb_validate_vmas+0x332/0xce0 [i915]
<4>[  794.309790] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.309944] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.309951] RBP: ffffc90001a27378 R08: 00000000002f8bb2 R09: 0000000000000001
<4>[  794.309952] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c84e
<4>[  794.309953] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bb2003
<4>[  794.309955] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.309957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.309958] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.309960] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.309961] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.309963] Call Trace:
<4>[  794.309964]  <TASK>
<4>[  794.309966]  ? show_regs+0x6c/0x80
<4>[  794.309969]  ? __warn+0x93/0x1c0
<4>[  794.309972]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.309974]  ? report_bug+0x182/0x1b0
<4>[  794.309978]  ? handle_bug+0x6e/0xb0
<4>[  794.309980]  ? exc_invalid_op+0x18/0x80
<4>[  794.309983]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.309989]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.309992]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.309994]  ? mark_held_locks+0x46/0x90
<4>[  794.310002]  __iommu_map+0x119/0x2c0
<4>[  794.310008]  iommu_map_sg+0xbf/0x210
<4>[  794.310013]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.312034]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.312235] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.312389] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.312391] RAX: 0000000000000000 RBX: ffff888126b31da0 RCX: 0000000000000000
<4>[  794.312392] RDX: 0000000000000000 RSI: 0000000003d163b4 RDI: 0000000000000000
<4>[  794.312394] RBP: ffffc90001a27378 R08: 00000000002f8bb3 R09: 0000000000000001
<4>[  794.312395] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c84d
<4>[  794.312397] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bb3003
<4>[  794.312398] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.312400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.312401] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.312403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.312404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.312406] Call Trace:
<4>[  794.312407]  <TASK>
<4>[  794.312409]  ? show_regs+0x6c/0x80
<4>[  794.312412]  ? __warn+0x93/0x1c0
<4>[  794.312415]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.312418]  ? report_bug+0x182/0x1b0
<4>[  794.312421]  ? handle_bug+0x6e/0xb0
<4>[  794.312424]  ? exc_invalid_op+0x18/0x80
<4>[  794.312426]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.312432]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.312435]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.312437]  ? mark_held_locks+0x46/0x90
<4>[  794.312445]  __iommu_map+0x119/0x2c0
<4>[  794.312451]  iommu_map_sg+0xbf/0x210
<4>[  794.312456]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.312463]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.314668]  ? clear_bhb_loop+0x15/0x70
<4>[  794.314696] hardirqs last  enabled at (245379341): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.314842] RAX: 0000000000000000 RBX: ffff888126b31da8 RCX: 0000000000000000
<4>[  794.314843] RDX: 0000000000000000 RSI: 0000000003d163b5 RDI: 0000000000000000
<4>[  794.314845] RBP: ffffc90001a27378 R08: 00000000002f8bb4 R09: 0000000000000001
<4>[  794.314846] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c84c
<4>[  794.314848] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bb4003
<4>[  794.314849] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.314851] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.314853] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.314854] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.314856] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.314857] Call Trace:
<4>[  794.314858]  <TASK>
<4>[  794.314860]  ? show_regs+0x6c/0x80
<4>[  794.314863]  ? __warn+0x93/0x1c0
<4>[  794.314866]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.314869]  ? report_bug+0x182/0x1b0
<4>[  794.314873]  ? handle_bug+0x6e/0xb0
<4>[  794.314875]  ? exc_invalid_op+0x18/0x80
<4>[  794.314878]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.314884]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.314887]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.314889]  ? mark_held_locks+0x46/0x90
<4>[  794.314897]  __iommu_map+0x119/0x2c0
<4>[  794.314903]  iommu_map_sg+0xbf/0x210
<4>[  794.314908]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.314915]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.317121]  ? clear_bhb_loop+0x15/0x70
<4>[  794.317146]  </TASK>
<4>[  794.317154] softirqs last  enabled at (245317554): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.317290] RAX: 0000000000000000 RBX: ffff888126b31db0 RCX: 0000000000000000
<4>[  794.317291] RDX: 0000000000000000 RSI: 0000000003d163b6 RDI: 0000000000000000
<4>[  794.317292] RBP: ffffc90001a27378 R08: 00000000002f8bb5 R09: 0000000000000001
<4>[  794.317294] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c84b
<4>[  794.317295] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bb5003
<4>[  794.317297] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.317299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.317300] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.317302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.317303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.317305] Call Trace:
<4>[  794.317306]  <TASK>
<4>[  794.317308]  ? show_regs+0x6c/0x80
<4>[  794.317311]  ? __warn+0x93/0x1c0
<4>[  794.317314]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.317317]  ? report_bug+0x182/0x1b0
<4>[  794.317320]  ? handle_bug+0x6e/0xb0
<4>[  794.317322]  ? exc_invalid_op+0x18/0x80
<4>[  794.317325]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.317331]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.317334]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.317336]  ? mark_held_locks+0x46/0x90
<4>[  794.317344]  __iommu_map+0x119/0x2c0
<4>[  794.317350]  iommu_map_sg+0xbf/0x210
<4>[  794.317355]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.317361]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.319567]  ? clear_bhb_loop+0x15/0x70
<4>[  794.319593]  </TASK>
<4>[  794.319601] softirqs last  enabled at (245317554): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.319737] RAX: 0000000000000000 RBX: ffff888126b31db8 RCX: 0000000000000000
<4>[  794.319738] RDX: 0000000000000000 RSI: 0000000003d163b7 RDI: 0000000000000000
<4>[  794.319740] RBP: ffffc90001a27378 R08: 00000000002f8bb6 R09: 0000000000000001
<4>[  794.319741] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c84a
<4>[  794.319743] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bb6003
<4>[  794.319744] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.319746] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.319747] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.319749] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.319750] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.319752] Call Trace:
<4>[  794.319753]  <TASK>
<4>[  794.319755]  ? show_regs+0x6c/0x80
<4>[  794.319758]  ? __warn+0x93/0x1c0
<4>[  794.319761]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.319764]  ? report_bug+0x182/0x1b0
<4>[  794.319767]  ? handle_bug+0x6e/0xb0
<4>[  794.319770]  ? exc_invalid_op+0x18/0x80
<4>[  794.319772]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.319778]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.319786]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.319789]  ? mark_held_locks+0x46/0x90
<4>[  794.319796]  __iommu_map+0x119/0x2c0
<4>[  794.319802]  iommu_map_sg+0xbf/0x210
<4>[  794.319807]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.319974]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  794.322032] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.322185] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.322192] RBP: ffffc90001a27378 R08: 00000000002f8bb7 R09: 0000000000000001
<4>[  794.322193] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c849
<4>[  794.322195] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bb7003
<4>[  794.322196] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.322198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.322199] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.322201] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.322202] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.322204] Call Trace:
<4>[  794.322205]  <TASK>
<4>[  794.322207]  ? show_regs+0x6c/0x80
<4>[  794.322210]  ? __warn+0x93/0x1c0
<4>[  794.322213]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.322216]  ? report_bug+0x182/0x1b0
<4>[  794.322219]  ? handle_bug+0x6e/0xb0
<4>[  794.322222]  ? exc_invalid_op+0x18/0x80
<4>[  794.322224]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.322230]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.322233]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.322235]  ? mark_held_locks+0x46/0x90
<4>[  794.322243]  __iommu_map+0x119/0x2c0
<4>[  794.322249]  iommu_map_sg+0xbf/0x210
<4>[  794.322254]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.324279]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.324480] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.324633] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.324639] RBP: ffffc90001a27378 R08: 00000000002f8bb8 R09: 0000000000000001
<4>[  794.324641] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c848
<4>[  794.324642] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bb8003
<4>[  794.324644] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.324646] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.324647] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.324649] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.324650] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.324652] Call Trace:
<4>[  794.324653]  <TASK>
<4>[  794.324654]  ? show_regs+0x6c/0x80
<4>[  794.324658]  ? __warn+0x93/0x1c0
<4>[  794.324661]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.324664]  ? report_bug+0x182/0x1b0
<4>[  794.324667]  ? handle_bug+0x6e/0xb0
<4>[  794.324669]  ? exc_invalid_op+0x18/0x80
<4>[  794.324672]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.324678]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.324681]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.324683]  ? mark_held_locks+0x46/0x90
<4>[  794.324691]  __iommu_map+0x119/0x2c0
<4>[  794.324697]  iommu_map_sg+0xbf/0x210
<4>[  794.324702]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.326903]  do_syscall_64+0x91/0x180
<4>[  794.326936] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.327089] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.327091] RAX: 0000000000000000 RBX: ffff888126b31dd0 RCX: 0000000000000000
<4>[  794.327093] RDX: 0000000000000000 RSI: 0000000003d163ba RDI: 0000000000000000
<4>[  794.327094] RBP: ffffc90001a27378 R08: 00000000002f8bb9 R09: 0000000000000001
<4>[  794.327096] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c847
<4>[  794.327097] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bb9003
<4>[  794.327099] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.327100] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.327102] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.327103] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.327105] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.327106] Call Trace:
<4>[  794.327108]  <TASK>
<4>[  794.327109]  ? show_regs+0x6c/0x80
<4>[  794.327112]  ? __warn+0x93/0x1c0
<4>[  794.327115]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.327118]  ? report_bug+0x182/0x1b0
<4>[  794.327122]  ? handle_bug+0x6e/0xb0
<4>[  794.327124]  ? exc_invalid_op+0x18/0x80
<4>[  794.327126]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.327133]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.327135]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.327138]  ? mark_held_locks+0x46/0x90
<4>[  794.327145]  __iommu_map+0x119/0x2c0
<4>[  794.327152]  iommu_map_sg+0xbf/0x210
<4>[  794.327157]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.327163]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.329377] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
<4>[  794.329539] RDX: 0000000000000000 RSI: 0000000003d163bb RDI: 0000000000000000
<4>[  794.329541] RBP: ffffc90001a27378 R08: 00000000002f8bba R09: 0000000000000001
<4>[  794.329542] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c846
<4>[  794.329543] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bba003
<4>[  794.329545] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.329547] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.329548] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.329550] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.329551] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.329553] Call Trace:
<4>[  794.329554]  <TASK>
<4>[  794.329555]  ? show_regs+0x6c/0x80
<4>[  794.329559]  ? __warn+0x93/0x1c0
<4>[  794.329561]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.329564]  ? report_bug+0x182/0x1b0
<4>[  794.329568]  ? handle_bug+0x6e/0xb0
<4>[  794.329570]  ? exc_invalid_op+0x18/0x80
<4>[  794.329573]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.329579]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.329582]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.329584]  ? mark_held_locks+0x46/0x90
<4>[  794.329592]  __iommu_map+0x119/0x2c0
<4>[  794.329598]  iommu_map_sg+0xbf/0x210
<4>[  794.329603]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.329928]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.331834] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.331992] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.331994] RAX: 0000000000000000 RBX: ffff888126b31de0 RCX: 0000000000000000
<4>[  794.331996] RDX: 0000000000000000 RSI: 0000000003d163bc RDI: 0000000000000000
<4>[  794.331997] RBP: ffffc90001a27378 R08: 00000000002f8bbb R09: 0000000000000001
<4>[  794.331999] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c845
<4>[  794.332000] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bbb003
<4>[  794.332002] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.332003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.332005] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.332007] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.332008] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.332009] Call Trace:
<4>[  794.332011]  <TASK>
<4>[  794.332012]  ? show_regs+0x6c/0x80
<4>[  794.332015]  ? __warn+0x93/0x1c0
<4>[  794.332018]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.332021]  ? report_bug+0x182/0x1b0
<4>[  794.332025]  ? handle_bug+0x6e/0xb0
<4>[  794.332027]  ? exc_invalid_op+0x18/0x80
<4>[  794.332029]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.332036]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.332038]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.332041]  ? mark_held_locks+0x46/0x90
<4>[  794.332049]  __iommu_map+0x119/0x2c0
<4>[  794.332055]  iommu_map_sg+0xbf/0x210
<4>[  794.332060]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.332535]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  794.334286] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.334440] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.334442] RAX: 0000000000000000 RBX: ffff888126b31de8 RCX: 0000000000000000
<4>[  794.334444] RDX: 0000000000000000 RSI: 0000000003d163bd RDI: 0000000000000000
<4>[  794.334445] RBP: ffffc90001a27378 R08: 00000000002f8bbc R09: 0000000000000001
<4>[  794.334447] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c844
<4>[  794.334448] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bbc003
<4>[  794.334450] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.334452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.334453] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.334455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.334456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.334458] Call Trace:
<4>[  794.334459]  <TASK>
<4>[  794.334460]  ? show_regs+0x6c/0x80
<4>[  794.334463]  ? __warn+0x93/0x1c0
<4>[  794.334466]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.334469]  ? report_bug+0x182/0x1b0
<4>[  794.334473]  ? handle_bug+0x6e/0xb0
<4>[  794.334475]  ? exc_invalid_op+0x18/0x80
<4>[  794.334478]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.334484]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.334487]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.334489]  ? mark_held_locks+0x46/0x90
<4>[  794.334497]  __iommu_map+0x119/0x2c0
<4>[  794.334503]  iommu_map_sg+0xbf/0x210
<4>[  794.334508]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.334514]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.336721]  ? clear_bhb_loop+0x15/0x70
<4>[  794.336752] hardirqs last disabled at (245390016): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.336896] RAX: 0000000000000000 RBX: ffff888126b31df0 RCX: 0000000000000000
<4>[  794.336897] RDX: 0000000000000000 RSI: 0000000003d163be RDI: 0000000000000000
<4>[  794.336899] RBP: ffffc90001a27378 R08: 00000000002f8bbd R09: 0000000000000001
<4>[  794.336900] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c843
<4>[  794.336902] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bbd003
<4>[  794.336903] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.336905] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.336907] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.336908] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.336910] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.336911] Call Trace:
<4>[  794.336913]  <TASK>
<4>[  794.336914]  ? show_regs+0x6c/0x80
<4>[  794.336917]  ? __warn+0x93/0x1c0
<4>[  794.336920]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.336923]  ? report_bug+0x182/0x1b0
<4>[  794.336927]  ? handle_bug+0x6e/0xb0
<4>[  794.336929]  ? exc_invalid_op+0x18/0x80
<4>[  794.336932]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.336938]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.336941]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.336943]  ? mark_held_locks+0x46/0x90
<4>[  794.336951]  __iommu_map+0x119/0x2c0
<4>[  794.336957]  iommu_map_sg+0xbf/0x210
<4>[  794.336962]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.336969]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.339173]  ? clear_bhb_loop+0x15/0x70
<4>[  794.339192] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  794.339339] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.339343] RDX: 0000000000000000 RSI: 0000000003d163bf RDI: 0000000000000000
<4>[  794.339345] RBP: ffffc90001a27378 R08: 00000000002f8bbe R09: 0000000000000001
<4>[  794.339346] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c842
<4>[  794.339348] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bbe003
<4>[  794.339349] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.339351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.339352] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.339354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.339355] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.339357] Call Trace:
<4>[  794.339358]  <TASK>
<4>[  794.339359]  ? show_regs+0x6c/0x80
<4>[  794.339363]  ? __warn+0x93/0x1c0
<4>[  794.339365]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.339368]  ? report_bug+0x182/0x1b0
<4>[  794.339372]  ? handle_bug+0x6e/0xb0
<4>[  794.339374]  ? exc_invalid_op+0x18/0x80
<4>[  794.339377]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.339383]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.339386]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.339388]  ? mark_held_locks+0x46/0x90
<4>[  794.339396]  __iommu_map+0x119/0x2c0
<4>[  794.339402]  iommu_map_sg+0xbf/0x210
<4>[  794.339407]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.339413]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.339418]  dma_map_sgtable+0x1d/0x40
<4>[  794.340035]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  794.341644]  </TASK>
<4>[  794.341652] softirqs last  enabled at (245387364): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.341793] RAX: 0000000000000000 RBX: ffff888126b31e00 RCX: 0000000000000000
<4>[  794.341795] RDX: 0000000000000000 RSI: 0000000003d163c0 RDI: 0000000000000000
<4>[  794.341796] RBP: ffffc90001a27378 R08: 00000000002f8bbf R09: 0000000000000001
<4>[  794.341798] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c841
<4>[  794.341799] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bbf003
<4>[  794.341801] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.341802] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.341804] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.341805] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.341807] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.341808] Call Trace:
<4>[  794.341809]  <TASK>
<4>[  794.341811]  ? show_regs+0x6c/0x80
<4>[  794.341814]  ? __warn+0x93/0x1c0
<4>[  794.341817]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.341820]  ? report_bug+0x182/0x1b0
<4>[  794.341824]  ? handle_bug+0x6e/0xb0
<4>[  794.341826]  ? exc_invalid_op+0x18/0x80
<4>[  794.341828]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.341835]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.341838]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.341840]  ? mark_held_locks+0x46/0x90
<4>[  794.341848]  __iommu_map+0x119/0x2c0
<4>[  794.341854]  iommu_map_sg+0xbf/0x210
<4>[  794.341859]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.341866]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.344073]  ? clear_bhb_loop+0x15/0x70
<4>[  794.344098]  </TASK>
<4>[  794.344106] softirqs last  enabled at (245387364): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.344242] RAX: 0000000000000000 RBX: ffff888126b31e08 RCX: 0000000000000000
<4>[  794.344244] RDX: 0000000000000000 RSI: 0000000003d163c1 RDI: 0000000000000000
<4>[  794.344245] RBP: ffffc90001a27378 R08: 00000000002f8bc0 R09: 0000000000000001
<4>[  794.344247] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c840
<4>[  794.344248] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bc0003
<4>[  794.344250] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.344251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.344253] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.344254] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.344256] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.344257] Call Trace:
<4>[  794.344258]  <TASK>
<4>[  794.344260]  ? show_regs+0x6c/0x80
<4>[  794.344263]  ? __warn+0x93/0x1c0
<4>[  794.344266]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.344269]  ? report_bug+0x182/0x1b0
<4>[  794.344273]  ? handle_bug+0x6e/0xb0
<4>[  794.344275]  ? exc_invalid_op+0x18/0x80
<4>[  794.344277]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.344283]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.344286]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.344289]  ? mark_held_locks+0x46/0x90
<4>[  794.344296]  __iommu_map+0x119/0x2c0
<4>[  794.344302]  iommu_map_sg+0xbf/0x210
<4>[  794.344307]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.344785]  ? lock_acquire+0xc9/0x300
<4>[  794.346521]  ? clear_bhb_loop+0x15/0x70
<4>[  794.346551] hardirqs last disabled at (245394756): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.346689] RAX: 0000000000000000 RBX: ffff888126b31e10 RCX: 0000000000000000
<4>[  794.346691] RDX: 0000000000000000 RSI: 0000000003d163c2 RDI: 0000000000000000
<4>[  794.346692] RBP: ffffc90001a27378 R08: 00000000002f8bc1 R09: 0000000000000001
<4>[  794.346694] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c83f
<4>[  794.346695] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bc1003
<4>[  794.346697] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.346698] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.346700] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.346702] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.346703] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.346704] Call Trace:
<4>[  794.346706]  <TASK>
<4>[  794.346707]  ? show_regs+0x6c/0x80
<4>[  794.346710]  ? __warn+0x93/0x1c0
<4>[  794.346713]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.346716]  ? report_bug+0x182/0x1b0
<4>[  794.346720]  ? handle_bug+0x6e/0xb0
<4>[  794.346722]  ? exc_invalid_op+0x18/0x80
<4>[  794.346725]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.346731]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.346734]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.346736]  ? mark_held_locks+0x46/0x90
<4>[  794.346744]  __iommu_map+0x119/0x2c0
<4>[  794.346750]  iommu_map_sg+0xbf/0x210
<4>[  794.346755]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.346761]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.348967]  ? irqentry_exit+0x77/0xb0
<4>[  794.348988] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  794.349138] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.349141] RAX: 0000000000000000 RBX: ffff888126b31e18 RCX: 0000000000000000
<4>[  794.349142] RDX: 0000000000000000 RSI: 0000000003d163c3 RDI: 0000000000000000
<4>[  794.349144] RBP: ffffc90001a27378 R08: 00000000002f8bc2 R09: 0000000000000001
<4>[  794.349145] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c83e
<4>[  794.349146] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bc2003
<4>[  794.349148] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.349150] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.349151] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.349153] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.349154] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.349156] Call Trace:
<4>[  794.349157]  <TASK>
<4>[  794.349159]  ? show_regs+0x6c/0x80
<4>[  794.349162]  ? __warn+0x93/0x1c0
<4>[  794.349165]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.349168]  ? report_bug+0x182/0x1b0
<4>[  794.349171]  ? handle_bug+0x6e/0xb0
<4>[  794.349173]  ? exc_invalid_op+0x18/0x80
<4>[  794.349176]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.349182]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.349185]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.349187]  ? mark_held_locks+0x46/0x90
<4>[  794.349195]  __iommu_map+0x119/0x2c0
<4>[  794.349201]  iommu_map_sg+0xbf/0x210
<4>[  794.349206]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.350745]  i915_gem_do_execbuffer+0xd7a/0x3070 [i915]
<4>[  794.351436] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.351585] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.351587] RAX: 0000000000000000 RBX: ffff888126b31e20 RCX: 0000000000000000
<4>[  794.351589] RDX: 0000000000000000 RSI: 0000000003d163c4 RDI: 0000000000000000
<4>[  794.351590] RBP: ffffc90001a27378 R08: 00000000002f8bc3 R09: 0000000000000001
<4>[  794.351592] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c83d
<4>[  794.351593] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bc3003
<4>[  794.351595] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.351597] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.351598] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.351600] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.351601] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.351603] Call Trace:
<4>[  794.351604]  <TASK>
<4>[  794.351605]  ? show_regs+0x6c/0x80
<4>[  794.351608]  ? __warn+0x93/0x1c0
<4>[  794.351611]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.351614]  ? report_bug+0x182/0x1b0
<4>[  794.351618]  ? handle_bug+0x6e/0xb0
<4>[  794.351620]  ? exc_invalid_op+0x18/0x80
<4>[  794.351623]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.351629]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.351632]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.351634]  ? mark_held_locks+0x46/0x90
<4>[  794.351642]  __iommu_map+0x119/0x2c0
<4>[  794.351648]  iommu_map_sg+0xbf/0x210
<4>[  794.351653]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.352130]  ? lock_acquire+0xc9/0x300
<4>[  794.353869]  ? clear_bhb_loop+0x15/0x70
<4>[  794.353899] hardirqs last  enabled at (245398307): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.354040] RAX: 0000000000000000 RBX: ffff888126b31e28 RCX: 0000000000000000
<4>[  794.354041] RDX: 0000000000000000 RSI: 0000000003d163c5 RDI: 0000000000000000
<4>[  794.354042] RBP: ffffc90001a27378 R08: 00000000002f8bc4 R09: 0000000000000001
<4>[  794.354044] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c83c
<4>[  794.354045] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bc4003
<4>[  794.354047] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.354049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.354050] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.354052] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.354053] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.354055] Call Trace:
<4>[  794.354056]  <TASK>
<4>[  794.354057]  ? show_regs+0x6c/0x80
<4>[  794.354060]  ? __warn+0x93/0x1c0
<4>[  794.354063]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.354066]  ? report_bug+0x182/0x1b0
<4>[  794.354070]  ? handle_bug+0x6e/0xb0
<4>[  794.354072]  ? exc_invalid_op+0x18/0x80
<4>[  794.354075]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.354081]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.354084]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.354086]  ? mark_held_locks+0x46/0x90
<4>[  794.354094]  __iommu_map+0x119/0x2c0
<4>[  794.354100]  iommu_map_sg+0xbf/0x210
<4>[  794.354105]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.354111]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.356318]  ? clear_bhb_loop+0x15/0x70
<4>[  794.356343]  </TASK>
<4>[  794.356350] softirqs last  enabled at (245387364): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.356486] RAX: 0000000000000000 RBX: ffff888126b31e30 RCX: 0000000000000000
<4>[  794.356488] RDX: 0000000000000000 RSI: 0000000003d163c6 RDI: 0000000000000000
<4>[  794.356489] RBP: ffffc90001a27378 R08: 00000000002f8bc5 R09: 0000000000000001
<4>[  794.356491] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c83b
<4>[  794.356492] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bc5003
<4>[  794.356494] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.356496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.356497] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.356499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.356500] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.356501] Call Trace:
<4>[  794.356503]  <TASK>
<4>[  794.356504]  ? show_regs+0x6c/0x80
<4>[  794.356507]  ? __warn+0x93/0x1c0
<4>[  794.356510]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.356513]  ? report_bug+0x182/0x1b0
<4>[  794.356517]  ? handle_bug+0x6e/0xb0
<4>[  794.356519]  ? exc_invalid_op+0x18/0x80
<4>[  794.356521]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.356528]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.356530]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.356533]  ? mark_held_locks+0x46/0x90
<4>[  794.356540]  __iommu_map+0x119/0x2c0
<4>[  794.356547]  iommu_map_sg+0xbf/0x210
<4>[  794.356552]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.356558]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.358763]  ? clear_bhb_loop+0x15/0x70
<4>[  794.358795]  </TASK>
<4>[  794.358802] softirqs last  enabled at (245387364): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.358939] RAX: 0000000000000000 RBX: ffff888126b31e38 RCX: 0000000000000000
<4>[  794.358940] RDX: 0000000000000000 RSI: 0000000003d163c7 RDI: 0000000000000000
<4>[  794.358942] RBP: ffffc90001a27378 R08: 00000000002f8bc6 R09: 0000000000000001
<4>[  794.358943] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c83a
<4>[  794.358945] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bc6003
<4>[  794.358946] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.358948] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.358949] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.358951] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.358952] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.358954] Call Trace:
<4>[  794.358955]  <TASK>
<4>[  794.358957]  ? show_regs+0x6c/0x80
<4>[  794.358960]  ? __warn+0x93/0x1c0
<4>[  794.358963]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.358966]  ? report_bug+0x182/0x1b0
<4>[  794.358969]  ? handle_bug+0x6e/0xb0
<4>[  794.358971]  ? exc_invalid_op+0x18/0x80
<4>[  794.358974]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.358980]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.358983]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.358985]  ? mark_held_locks+0x46/0x90
<4>[  794.358993]  __iommu_map+0x119/0x2c0
<4>[  794.358999]  iommu_map_sg+0xbf/0x210
<4>[  794.359004]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.359011]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.361215]  ? clear_bhb_loop+0x15/0x70
<4>[  794.361243] irq event stamp: 245401855
<4>[  794.361353]  nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi acpi_tad pmt_telemetry pmt_class intel_vsec acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  794.361387] RBP: ffffc90001a27378 R08: 00000000002f8bc7 R09: 0000000000000001
<4>[  794.361389] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c839
<4>[  794.361390] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bc7003
<4>[  794.361392] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.361394] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.361395] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.361397] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.361398] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.361400] Call Trace:
<4>[  794.361401]  <TASK>
<4>[  794.361402]  ? show_regs+0x6c/0x80
<4>[  794.361406]  ? __warn+0x93/0x1c0
<4>[  794.361408]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.361411]  ? report_bug+0x182/0x1b0
<4>[  794.361415]  ? handle_bug+0x6e/0xb0
<4>[  794.361417]  ? exc_invalid_op+0x18/0x80
<4>[  794.361420]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.361426]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.361429]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.361431]  ? mark_held_locks+0x46/0x90
<4>[  794.361439]  __iommu_map+0x119/0x2c0
<4>[  794.361445]  iommu_map_sg+0xbf/0x210
<4>[  794.361450]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.363662]  ? clear_bhb_loop+0x15/0x70
<4>[  794.363688]  </TASK>
<4>[  794.363695] softirqs last  enabled at (245387364): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.363836] RAX: 0000000000000000 RBX: ffff888126b31e48 RCX: 0000000000000000
<4>[  794.363838] RDX: 0000000000000000 RSI: 0000000003d163c9 RDI: 0000000000000000
<4>[  794.363839] RBP: ffffc90001a27378 R08: 00000000002f8bc8 R09: 0000000000000001
<4>[  794.363841] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c838
<4>[  794.363843] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bc8003
<4>[  794.363844] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.363846] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.363848] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.363849] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.363851] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.363852] Call Trace:
<4>[  794.363853]  <TASK>
<4>[  794.363855]  ? show_regs+0x6c/0x80
<4>[  794.363858]  ? __warn+0x93/0x1c0
<4>[  794.363861]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.363864]  ? report_bug+0x182/0x1b0
<4>[  794.363868]  ? handle_bug+0x6e/0xb0
<4>[  794.363870]  ? exc_invalid_op+0x18/0x80
<4>[  794.363873]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.363879]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.363882]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.363884]  ? mark_held_locks+0x46/0x90
<4>[  794.363892]  __iommu_map+0x119/0x2c0
<4>[  794.363898]  iommu_map_sg+0xbf/0x210
<4>[  794.363903]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.363909]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.366116]  ? clear_bhb_loop+0x15/0x70
<4>[  794.366141]  </TASK>
<4>[  794.366148] softirqs last  enabled at (245387364): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.366285] RAX: 0000000000000000 RBX: ffff888126b31e50 RCX: 0000000000000000
<4>[  794.366286] RDX: 0000000000000000 RSI: 0000000003d163ca RDI: 0000000000000000
<4>[  794.366287] RBP: ffffc90001a27378 R08: 00000000002f8bc9 R09: 0000000000000001
<4>[  794.366289] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c837
<4>[  794.366290] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bc9003
<4>[  794.366292] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.366294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.366295] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.366297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.366298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.366300] Call Trace:
<4>[  794.366301]  <TASK>
<4>[  794.366302]  ? show_regs+0x6c/0x80
<4>[  794.366305]  ? __warn+0x93/0x1c0
<4>[  794.366308]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.366311]  ? report_bug+0x182/0x1b0
<4>[  794.366315]  ? handle_bug+0x6e/0xb0
<4>[  794.366317]  ? exc_invalid_op+0x18/0x80
<4>[  794.366320]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.366326]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.366328]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.366331]  ? mark_held_locks+0x46/0x90
<4>[  794.366338]  __iommu_map+0x119/0x2c0
<4>[  794.366345]  iommu_map_sg+0xbf/0x210
<4>[  794.366349]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.366826]  ? lock_acquire+0xc9/0x300
<4>[  794.368562]  ? clear_bhb_loop+0x15/0x70
<4>[  794.368592] hardirqs last disabled at (245405420): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.368730] RAX: 0000000000000000 RBX: ffff888126b31e58 RCX: 0000000000000000
<4>[  794.368732] RDX: 0000000000000000 RSI: 0000000003d163cb RDI: 0000000000000000
<4>[  794.368733] RBP: ffffc90001a27378 R08: 00000000002f8bca R09: 0000000000000001
<4>[  794.368735] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c836
<4>[  794.368736] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bca003
<4>[  794.368738] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.368739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.368741] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.368742] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.368744] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.368745] Call Trace:
<4>[  794.368747]  <TASK>
<4>[  794.368748]  ? show_regs+0x6c/0x80
<4>[  794.368751]  ? __warn+0x93/0x1c0
<4>[  794.368754]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.368757]  ? report_bug+0x182/0x1b0
<4>[  794.368761]  ? handle_bug+0x6e/0xb0
<4>[  794.368763]  ? exc_invalid_op+0x18/0x80
<4>[  794.368765]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.368771]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.368774]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.368777]  ? mark_held_locks+0x46/0x90
<4>[  794.368789]  __iommu_map+0x119/0x2c0
<4>[  794.368796]  iommu_map_sg+0xbf/0x210
<4>[  794.368801]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.368807]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.371012]  ? clear_bhb_loop+0x15/0x70
<4>[  794.371028] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  794.371179] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.371182] RAX: 0000000000000000 RBX: ffff888126b31e60 RCX: 0000000000000000
<4>[  794.371183] RDX: 0000000000000000 RSI: 0000000003d163cc RDI: 0000000000000000
<4>[  794.371184] RBP: ffffc90001a27378 R08: 00000000002f8bcb R09: 0000000000000001
<4>[  794.371186] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c835
<4>[  794.371187] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bcb003
<4>[  794.371189] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.371191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.371192] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.371194] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.371195] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.371197] Call Trace:
<4>[  794.371198]  <TASK>
<4>[  794.371199]  ? show_regs+0x6c/0x80
<4>[  794.371202]  ? __warn+0x93/0x1c0
<4>[  794.371205]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.371208]  ? report_bug+0x182/0x1b0
<4>[  794.371212]  ? handle_bug+0x6e/0xb0
<4>[  794.371214]  ? exc_invalid_op+0x18/0x80
<4>[  794.371217]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.371223]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.371226]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.371228]  ? mark_held_locks+0x46/0x90
<4>[  794.371236]  __iommu_map+0x119/0x2c0
<4>[  794.371242]  iommu_map_sg+0xbf/0x210
<4>[  794.371247]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.372639]  ? eb_pin_engine+0x2f0/0x3b0 [i915]
<4>[  794.373472] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.373626] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.373629] RAX: 0000000000000000 RBX: ffff888126b31e68 RCX: 0000000000000000
<4>[  794.373630] RDX: 0000000000000000 RSI: 0000000003d163cd RDI: 0000000000000000
<4>[  794.373631] RBP: ffffc90001a27378 R08: 00000000002f8bcc R09: 0000000000000001
<4>[  794.373633] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c834
<4>[  794.373634] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bcc003
<4>[  794.373636] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.373638] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.373639] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.373641] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.373642] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.373644] Call Trace:
<4>[  794.373645]  <TASK>
<4>[  794.373646]  ? show_regs+0x6c/0x80
<4>[  794.373650]  ? __warn+0x93/0x1c0
<4>[  794.373652]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.373655]  ? report_bug+0x182/0x1b0
<4>[  794.373659]  ? handle_bug+0x6e/0xb0
<4>[  794.373661]  ? exc_invalid_op+0x18/0x80
<4>[  794.373664]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.373670]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.373673]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.373675]  ? mark_held_locks+0x46/0x90
<4>[  794.373682]  __iommu_map+0x119/0x2c0
<4>[  794.373689]  iommu_map_sg+0xbf/0x210
<4>[  794.373694]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.373864]  __i915_ttm_get_pages+0x16c/0x280 [i915]
<4>[  794.375923] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.376076] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.376083] RBP: ffffc90001a27378 R08: 00000000002f8bcd R09: 0000000000000001
<4>[  794.376084] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c833
<4>[  794.376086] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bcd003
<4>[  794.376087] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.376089] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.376090] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.376092] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.376093] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.376095] Call Trace:
<4>[  794.376096]  <TASK>
<4>[  794.376098]  ? show_regs+0x6c/0x80
<4>[  794.376101]  ? __warn+0x93/0x1c0
<4>[  794.376103]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.376107]  ? report_bug+0x182/0x1b0
<4>[  794.376110]  ? handle_bug+0x6e/0xb0
<4>[  794.376112]  ? exc_invalid_op+0x18/0x80
<4>[  794.376115]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.376121]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.376124]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.376126]  ? mark_held_locks+0x46/0x90
<4>[  794.376134]  __iommu_map+0x119/0x2c0
<4>[  794.376140]  iommu_map_sg+0xbf/0x210
<4>[  794.376145]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.378167]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.378369] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.378521] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.378524] RAX: 0000000000000000 RBX: ffff888126b31e78 RCX: 0000000000000000
<4>[  794.378525] RDX: 0000000000000000 RSI: 0000000003d163cf RDI: 0000000000000000
<4>[  794.378527] RBP: ffffc90001a27378 R08: 00000000002f8bce R09: 0000000000000001
<4>[  794.378528] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c832
<4>[  794.378530] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bce003
<4>[  794.378531] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.378533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.378534] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.378536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.378537] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.378539] Call Trace:
<4>[  794.378540]  <TASK>
<4>[  794.378542]  ? show_regs+0x6c/0x80
<4>[  794.378545]  ? __warn+0x93/0x1c0
<4>[  794.378548]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.378551]  ? report_bug+0x182/0x1b0
<4>[  794.378554]  ? handle_bug+0x6e/0xb0
<4>[  794.378557]  ? exc_invalid_op+0x18/0x80
<4>[  794.378559]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.378565]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.378568]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.378570]  ? mark_held_locks+0x46/0x90
<4>[  794.378578]  __iommu_map+0x119/0x2c0
<4>[  794.378584]  iommu_map_sg+0xbf/0x210
<4>[  794.378589]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.379218]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  794.380832]  </TASK>
<4>[  794.380839] softirqs last  enabled at (245387364): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.380976] RAX: 0000000000000000 RBX: ffff888126b31e80 RCX: 0000000000000000
<4>[  794.380977] RDX: 0000000000000000 RSI: 0000000003d163d0 RDI: 0000000000000000
<4>[  794.380979] RBP: ffffc90001a27378 R08: 00000000002f8bcf R09: 0000000000000001
<4>[  794.380980] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c831
<4>[  794.380982] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bcf003
<4>[  794.380983] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.380985] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.380986] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.380988] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.380989] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.380991] Call Trace:
<4>[  794.380992]  <TASK>
<4>[  794.380994]  ? show_regs+0x6c/0x80
<4>[  794.380997]  ? __warn+0x93/0x1c0
<4>[  794.381000]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.381003]  ? report_bug+0x182/0x1b0
<4>[  794.381007]  ? handle_bug+0x6e/0xb0
<4>[  794.381009]  ? exc_invalid_op+0x18/0x80
<4>[  794.381011]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.381018]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.381020]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.381023]  ? mark_held_locks+0x46/0x90
<4>[  794.381030]  __iommu_map+0x119/0x2c0
<4>[  794.381036]  iommu_map_sg+0xbf/0x210
<4>[  794.381041]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.381048]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.383253]  ? clear_bhb_loop+0x15/0x70
<4>[  794.383279]  </TASK>
<4>[  794.383286] softirqs last  enabled at (245387364): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.383422] RAX: 0000000000000000 RBX: ffff888126b31e88 RCX: 0000000000000000
<4>[  794.383424] RDX: 0000000000000000 RSI: 0000000003d163d1 RDI: 0000000000000000
<4>[  794.383425] RBP: ffffc90001a27378 R08: 00000000002f8bd0 R09: 0000000000000001
<4>[  794.383427] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c830
<4>[  794.383428] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bd0003
<4>[  794.383430] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.383432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.383433] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.383435] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.383436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.383438] Call Trace:
<4>[  794.383439]  <TASK>
<4>[  794.383440]  ? show_regs+0x6c/0x80
<4>[  794.383444]  ? __warn+0x93/0x1c0
<4>[  794.383446]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.383449]  ? report_bug+0x182/0x1b0
<4>[  794.383453]  ? handle_bug+0x6e/0xb0
<4>[  794.383455]  ? exc_invalid_op+0x18/0x80
<4>[  794.383458]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.383464]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.383467]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.383469]  ? mark_held_locks+0x46/0x90
<4>[  794.383477]  __iommu_map+0x119/0x2c0
<4>[  794.383483]  iommu_map_sg+0xbf/0x210
<4>[  794.383488]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.383811]  i915_ttm_get_pages+0x107/0x160 [i915]
<4>[  794.385712] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.385869] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.385876] RBP: ffffc90001a27378 R08: 00000000002f8bd1 R09: 0000000000000001
<4>[  794.385878] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c82f
<4>[  794.385879] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bd1003
<4>[  794.385881] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.385883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.385884] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.385886] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.385887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.385888] Call Trace:
<4>[  794.385890]  <TASK>
<4>[  794.385891]  ? show_regs+0x6c/0x80
<4>[  794.385894]  ? __warn+0x93/0x1c0
<4>[  794.385897]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.385900]  ? report_bug+0x182/0x1b0
<4>[  794.385904]  ? handle_bug+0x6e/0xb0
<4>[  794.385906]  ? exc_invalid_op+0x18/0x80
<4>[  794.385909]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.385915]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.385918]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.385920]  ? mark_held_locks+0x46/0x90
<4>[  794.385928]  __iommu_map+0x119/0x2c0
<4>[  794.385934]  iommu_map_sg+0xbf/0x210
<4>[  794.385939]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.387960]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.388163] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.388315] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.388317] RAX: 0000000000000000 RBX: ffff888126b31e98 RCX: 0000000000000000
<4>[  794.388319] RDX: 0000000000000000 RSI: 0000000003d163d3 RDI: 0000000000000000
<4>[  794.388320] RBP: ffffc90001a27378 R08: 00000000002f8bd2 R09: 0000000000000001
<4>[  794.388322] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c82e
<4>[  794.388323] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bd2003
<4>[  794.388325] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.388326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.388328] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.388329] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.388331] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.388332] Call Trace:
<4>[  794.388333]  <TASK>
<4>[  794.388335]  ? show_regs+0x6c/0x80
<4>[  794.388338]  ? __warn+0x93/0x1c0
<4>[  794.388341]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.388344]  ? report_bug+0x182/0x1b0
<4>[  794.388348]  ? handle_bug+0x6e/0xb0
<4>[  794.388350]  ? exc_invalid_op+0x18/0x80
<4>[  794.388352]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.388359]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.388361]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.388364]  ? mark_held_locks+0x46/0x90
<4>[  794.388371]  __iommu_map+0x119/0x2c0
<4>[  794.388377]  iommu_map_sg+0xbf/0x210
<4>[  794.388382]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.388396]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.390606] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.390759] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.390766] RBP: ffffc90001a27378 R08: 00000000002f8bd3 R09: 0000000000000001
<4>[  794.390767] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c82d
<4>[  794.390769] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bd3003
<4>[  794.390770] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.390772] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.390773] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.390775] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.390781] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.390783] Call Trace:
<4>[  794.390784]  <TASK>
<4>[  794.390786]  ? show_regs+0x6c/0x80
<4>[  794.390789]  ? __warn+0x93/0x1c0
<4>[  794.390792]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.390795]  ? report_bug+0x182/0x1b0
<4>[  794.390798]  ? handle_bug+0x6e/0xb0
<4>[  794.390801]  ? exc_invalid_op+0x18/0x80
<4>[  794.390803]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.390809]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.390812]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.390814]  ? mark_held_locks+0x46/0x90
<4>[  794.390822]  __iommu_map+0x119/0x2c0
<4>[  794.390828]  iommu_map_sg+0xbf/0x210
<4>[  794.390833]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.393045]  ? clear_bhb_loop+0x15/0x70
<4>[  794.393062] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.393212] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.393215] RAX: 0000000000000000 RBX: ffff888126b31ea8 RCX: 0000000000000000
<4>[  794.393216] RDX: 0000000000000000 RSI: 0000000003d163d5 RDI: 0000000000000000
<4>[  794.393218] RBP: ffffc90001a27378 R08: 00000000002f8bd4 R09: 0000000000000001
<4>[  794.393219] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c82c
<4>[  794.393220] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bd4003
<4>[  794.393222] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.393224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.393225] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.393227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.393228] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.393230] Call Trace:
<4>[  794.393231]  <TASK>
<4>[  794.393232]  ? show_regs+0x6c/0x80
<4>[  794.393236]  ? __warn+0x93/0x1c0
<4>[  794.393238]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.393241]  ? report_bug+0x182/0x1b0
<4>[  794.393245]  ? handle_bug+0x6e/0xb0
<4>[  794.393247]  ? exc_invalid_op+0x18/0x80
<4>[  794.393250]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.393256]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.393259]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.393261]  ? mark_held_locks+0x46/0x90
<4>[  794.393269]  __iommu_map+0x119/0x2c0
<4>[  794.393275]  iommu_map_sg+0xbf/0x210
<4>[  794.393280]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.393909]  ____i915_gem_object_get_pages+0x3c/0x120 [i915]
<4>[  794.395512] R13: 0000000040406469 R14: 0000000000000005 R15: 0000000000000001
<4>[  794.395660] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.395662] RAX: 0000000000000000 RBX: ffff888126b31eb0 RCX: 0000000000000000
<4>[  794.395664] RDX: 0000000000000000 RSI: 0000000003d163d6 RDI: 0000000000000000
<4>[  794.395665] RBP: ffffc90001a27378 R08: 00000000002f8bd5 R09: 0000000000000001
<4>[  794.395666] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c82b
<4>[  794.395668] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bd5003
<4>[  794.395669] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.395671] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.395673] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.395674] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.395676] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.395677] Call Trace:
<4>[  794.395678]  <TASK>
<4>[  794.395680]  ? show_regs+0x6c/0x80
<4>[  794.395683]  ? __warn+0x93/0x1c0
<4>[  794.395686]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.395689]  ? report_bug+0x182/0x1b0
<4>[  794.395692]  ? handle_bug+0x6e/0xb0
<4>[  794.395695]  ? exc_invalid_op+0x18/0x80
<4>[  794.395697]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.395703]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.395706]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.395708]  ? mark_held_locks+0x46/0x90
<4>[  794.395716]  __iommu_map+0x119/0x2c0
<4>[  794.395722]  iommu_map_sg+0xbf/0x210
<4>[  794.395727]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.397416]  ? lock_acquire+0xc9/0x300
<4>[  794.397953] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.398107] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.398113] RAX: 0000000000000000 RBX: ffff888126b31eb8 RCX: 0000000000000000
<4>[  794.398115] RDX: 0000000000000000 RSI: 0000000003d163d7 RDI: 0000000000000000
<4>[  794.398116] RBP: ffffc90001a27378 R08: 00000000002f8bd6 R09: 0000000000000001
<4>[  794.398118] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c82a
<4>[  794.398119] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bd6003
<4>[  794.398121] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.398122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.398124] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.398125] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.398127] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.398128] Call Trace:
<4>[  794.398130]  <TASK>
<4>[  794.398131]  ? show_regs+0x6c/0x80
<4>[  794.398134]  ? __warn+0x93/0x1c0
<4>[  794.398137]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.398140]  ? report_bug+0x182/0x1b0
<4>[  794.398144]  ? handle_bug+0x6e/0xb0
<4>[  794.398146]  ? exc_invalid_op+0x18/0x80
<4>[  794.398148]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.398154]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.398157]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.398160]  ? mark_held_locks+0x46/0x90
<4>[  794.398167]  __iommu_map+0x119/0x2c0
<4>[  794.398173]  iommu_map_sg+0xbf/0x210
<4>[  794.398178]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.398185]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.400391]  ? clear_bhb_loop+0x15/0x70
<4>[  794.400419] hardirqs last  enabled at (245420819): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.400560] RAX: 0000000000000000 RBX: ffff888126b31ec0 RCX: 0000000000000000
<4>[  794.400561] RDX: 0000000000000000 RSI: 0000000003d163d8 RDI: 0000000000000000
<4>[  794.400563] RBP: ffffc90001a27378 R08: 00000000002f8bd7 R09: 0000000000000001
<4>[  794.400564] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c829
<4>[  794.400565] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bd7003
<4>[  794.400567] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.400569] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.400570] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.400572] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.400573] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.400575] Call Trace:
<4>[  794.400576]  <TASK>
<4>[  794.400577]  ? show_regs+0x6c/0x80
<4>[  794.400581]  ? __warn+0x93/0x1c0
<4>[  794.400584]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.400587]  ? report_bug+0x182/0x1b0
<4>[  794.400590]  ? handle_bug+0x6e/0xb0
<4>[  794.400592]  ? exc_invalid_op+0x18/0x80
<4>[  794.400595]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.400601]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.400604]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.400606]  ? mark_held_locks+0x46/0x90
<4>[  794.400614]  __iommu_map+0x119/0x2c0
<4>[  794.400620]  iommu_map_sg+0xbf/0x210
<4>[  794.400625]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.400631]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.402823]  do_syscall_64+0x91/0x180
<4>[  794.402855] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.403008] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.403010] RAX: 0000000000000000 RBX: ffff888126b31ec8 RCX: 0000000000000000
<4>[  794.403012] RDX: 0000000000000000 RSI: 0000000003d163d9 RDI: 0000000000000000
<4>[  794.403013] RBP: ffffc90001a27378 R08: 00000000002f8bd8 R09: 0000000000000001
<4>[  794.403015] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c828
<4>[  794.403016] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bd8003
<4>[  794.403018] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.403020] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.403021] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.403023] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.403024] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.403025] Call Trace:
<4>[  794.403027]  <TASK>
<4>[  794.403028]  ? show_regs+0x6c/0x80
<4>[  794.403031]  ? __warn+0x93/0x1c0
<4>[  794.403034]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.403037]  ? report_bug+0x182/0x1b0
<4>[  794.403041]  ? handle_bug+0x6e/0xb0
<4>[  794.403043]  ? exc_invalid_op+0x18/0x80
<4>[  794.403046]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.403052]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.403055]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.403057]  ? mark_held_locks+0x46/0x90
<4>[  794.403064]  __iommu_map+0x119/0x2c0
<4>[  794.403071]  iommu_map_sg+0xbf/0x210
<4>[  794.403076]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.404759]  ? lock_acquire+0xc9/0x300
<4>[  794.405298] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.405451] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.405456] RAX: 0000000000000000 RBX: ffff888126b31ed0 RCX: 0000000000000000
<4>[  794.405458] RDX: 0000000000000000 RSI: 0000000003d163da RDI: 0000000000000000
<4>[  794.405460] RBP: ffffc90001a27378 R08: 00000000002f8bd9 R09: 0000000000000001
<4>[  794.405461] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c827
<4>[  794.405462] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bd9003
<4>[  794.405464] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.405466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.405467] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.405469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.405470] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.405472] Call Trace:
<4>[  794.405473]  <TASK>
<4>[  794.405474]  ? show_regs+0x6c/0x80
<4>[  794.405478]  ? __warn+0x93/0x1c0
<4>[  794.405481]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.405484]  ? report_bug+0x182/0x1b0
<4>[  794.405487]  ? handle_bug+0x6e/0xb0
<4>[  794.405489]  ? exc_invalid_op+0x18/0x80
<4>[  794.405492]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.405498]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.405501]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.405503]  ? mark_held_locks+0x46/0x90
<4>[  794.405511]  __iommu_map+0x119/0x2c0
<4>[  794.405517]  iommu_map_sg+0xbf/0x210
<4>[  794.405522]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.405528]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.407733]  ? clear_bhb_loop+0x15/0x70
<4>[  794.407759]  </TASK>
<4>[  794.407766] softirqs last  enabled at (245387364): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.407908] RAX: 0000000000000000 RBX: ffff888126b31ed8 RCX: 0000000000000000
<4>[  794.407910] RDX: 0000000000000000 RSI: 0000000003d163db RDI: 0000000000000000
<4>[  794.407911] RBP: ffffc90001a27378 R08: 00000000002f8bda R09: 0000000000000001
<4>[  794.407913] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c826
<4>[  794.407914] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bda003
<4>[  794.407916] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.407918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.407919] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.407921] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.407922] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.407924] Call Trace:
<4>[  794.407925]  <TASK>
<4>[  794.407927]  ? show_regs+0x6c/0x80
<4>[  794.407930]  ? __warn+0x93/0x1c0
<4>[  794.407933]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.407936]  ? report_bug+0x182/0x1b0
<4>[  794.407940]  ? handle_bug+0x6e/0xb0
<4>[  794.407942]  ? exc_invalid_op+0x18/0x80
<4>[  794.407944]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.407951]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.407954]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.407956]  ? mark_held_locks+0x46/0x90
<4>[  794.407964]  __iommu_map+0x119/0x2c0
<4>[  794.407970]  iommu_map_sg+0xbf/0x210
<4>[  794.407975]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.408447]  ? lock_acquire+0xc9/0x300
<4>[  794.410189]  ? clear_bhb_loop+0x15/0x70
<4>[  794.410220] hardirqs last disabled at (245425564): [<ffffffff814a23ee>] __up_console_sem+0x5e/0xa0
<4>[  794.410358] RAX: 0000000000000000 RBX: ffff888126b31ee0 RCX: 0000000000000000
<4>[  794.410359] RDX: 0000000000000000 RSI: 0000000003d163dc RDI: 0000000000000000
<4>[  794.410361] RBP: ffffc90001a27378 R08: 00000000002f8bdb R09: 0000000000000001
<4>[  794.410362] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c825
<4>[  794.410364] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bdb003
<4>[  794.410365] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.410367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.410369] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.410370] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.410372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.410373] Call Trace:
<4>[  794.410374]  <TASK>
<4>[  794.410376]  ? show_regs+0x6c/0x80
<4>[  794.410379]  ? __warn+0x93/0x1c0
<4>[  794.410382]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.410385]  ? report_bug+0x182/0x1b0
<4>[  794.410389]  ? handle_bug+0x6e/0xb0
<4>[  794.410391]  ? exc_invalid_op+0x18/0x80
<4>[  794.410393]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.410399]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.410402]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.410405]  ? mark_held_locks+0x46/0x90
<4>[  794.410412]  __iommu_map+0x119/0x2c0
<4>[  794.410418]  iommu_map_sg+0xbf/0x210
<4>[  794.410423]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.410430]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.411967]  i915_gem_do_execbuffer+0xd7a/0x3070 [i915]
<4>[  794.412652] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  794.412807] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.412809] RAX: 0000000000000000 RBX: ffff888126b31ee8 RCX: 0000000000000000
<4>[  794.412811] RDX: 0000000000000000 RSI: 0000000003d163dd RDI: 0000000000000000
<4>[  794.412812] RBP: ffffc90001a27378 R08: 00000000002f8bdc R09: 0000000000000001
<4>[  794.412814] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c824
<4>[  794.412815] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bdc003
<4>[  794.412817] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.412819] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.412820] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.412822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.412823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.412824] Call Trace:
<4>[  794.412826]  <TASK>
<4>[  794.412827]  ? show_regs+0x6c/0x80
<4>[  794.412830]  ? __warn+0x93/0x1c0
<4>[  794.412833]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.412836]  ? report_bug+0x182/0x1b0
<4>[  794.412840]  ? handle_bug+0x6e/0xb0
<4>[  794.412842]  ? exc_invalid_op+0x18/0x80
<4>[  794.412845]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.412851]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.412854]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.412856]  ? mark_held_locks+0x46/0x90
<4>[  794.412864]  __iommu_map+0x119/0x2c0
<4>[  794.412870]  iommu_map_sg+0xbf/0x210
<4>[  794.412876]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.412882]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.413351]  ? eb_validate_vmas+0x6c/0xce0 [i915]
<4>[  794.415098] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.415251] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.415257] RAX: 0000000000000000 RBX: ffff888126b31ef0 RCX: 0000000000000000
<4>[  794.415258] RDX: 0000000000000000 RSI: 0000000003d163de RDI: 0000000000000000
<4>[  794.415260] RBP: ffffc90001a27378 R08: 00000000002f8bdd R09: 0000000000000001
<4>[  794.415261] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c823
<4>[  794.415262] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bdd003
<4>[  794.415264] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.415266] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.415267] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.415269] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.415270] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.415272] Call Trace:
<4>[  794.415273]  <TASK>
<4>[  794.415274]  ? show_regs+0x6c/0x80
<4>[  794.415278]  ? __warn+0x93/0x1c0
<4>[  794.415281]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.415284]  ? report_bug+0x182/0x1b0
<4>[  794.415287]  ? handle_bug+0x6e/0xb0
<4>[  794.415289]  ? exc_invalid_op+0x18/0x80
<4>[  794.415292]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.415298]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.415301]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.415303]  ? mark_held_locks+0x46/0x90
<4>[  794.415311]  __iommu_map+0x119/0x2c0
<4>[  794.415317]  iommu_map_sg+0xbf/0x210
<4>[  794.415322]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.415328]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.415333]  dma_map_sgtable+0x1d/0x40
<4>[  794.417518]  do_syscall_64+0x91/0x180
<4>[  794.417550] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.417701] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.417707] RBP: ffffc90001a27378 R08: 00000000002f8bde R09: 0000000000000001
<4>[  794.417709] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c822
<4>[  794.417710] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bde003
<4>[  794.417712] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.417714] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.417715] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.417717] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.417718] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.417720] Call Trace:
<4>[  794.417721]  <TASK>
<4>[  794.417722]  ? show_regs+0x6c/0x80
<4>[  794.417725]  ? __warn+0x93/0x1c0
<4>[  794.417728]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.417731]  ? report_bug+0x182/0x1b0
<4>[  794.417735]  ? handle_bug+0x6e/0xb0
<4>[  794.417737]  ? exc_invalid_op+0x18/0x80
<4>[  794.417740]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.417746]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.417749]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.417751]  ? mark_held_locks+0x46/0x90
<4>[  794.417759]  __iommu_map+0x119/0x2c0
<4>[  794.417765]  iommu_map_sg+0xbf/0x210
<4>[  794.417770]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.417781]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.419798]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.419997] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.420150] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.420156] RAX: 0000000000000000 RBX: ffff888126b31f00 RCX: 0000000000000000
<4>[  794.420157] RDX: 0000000000000000 RSI: 0000000003d163e0 RDI: 0000000000000000
<4>[  794.420158] RBP: ffffc90001a27378 R08: 00000000002f8bdf R09: 0000000000000001
<4>[  794.420160] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c821
<4>[  794.420161] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bdf003
<4>[  794.420163] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.420165] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.420166] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.420168] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.420169] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.420171] Call Trace:
<4>[  794.420172]  <TASK>
<4>[  794.420173]  ? show_regs+0x6c/0x80
<4>[  794.420176]  ? __warn+0x93/0x1c0
<4>[  794.420179]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.420182]  ? report_bug+0x182/0x1b0
<4>[  794.420186]  ? handle_bug+0x6e/0xb0
<4>[  794.420188]  ? exc_invalid_op+0x18/0x80
<4>[  794.420191]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.420197]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.420200]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.420202]  ? mark_held_locks+0x46/0x90
<4>[  794.420210]  __iommu_map+0x119/0x2c0
<4>[  794.420216]  iommu_map_sg+0xbf/0x210
<4>[  794.420221]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.420228]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.420232]  dma_map_sgtable+0x1d/0x40
<4>[  794.422434]  ? clear_bhb_loop+0x15/0x70
<4>[  794.422452] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.422601] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.422603] RAX: 0000000000000000 RBX: ffff888126b31f08 RCX: 0000000000000000
<4>[  794.422604] RDX: 0000000000000000 RSI: 0000000003d163e1 RDI: 0000000000000000
<4>[  794.422606] RBP: ffffc90001a27378 R08: 00000000002f8be0 R09: 0000000000000001
<4>[  794.422607] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c820
<4>[  794.422609] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8be0003
<4>[  794.422610] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.422612] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.422614] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.422615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.422616] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.422618] Call Trace:
<4>[  794.422619]  <TASK>
<4>[  794.422621]  ? show_regs+0x6c/0x80
<4>[  794.422624]  ? __warn+0x93/0x1c0
<4>[  794.422627]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.422630]  ? report_bug+0x182/0x1b0
<4>[  794.422633]  ? handle_bug+0x6e/0xb0
<4>[  794.422636]  ? exc_invalid_op+0x18/0x80
<4>[  794.422638]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.422644]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.422647]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.422649]  ? mark_held_locks+0x46/0x90
<4>[  794.422657]  __iommu_map+0x119/0x2c0
<4>[  794.422663]  iommu_map_sg+0xbf/0x210
<4>[  794.422668]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.422675]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.423145]  ? lock_acquire+0xc9/0x300
<4>[  794.424886]  ? clear_bhb_loop+0x15/0x70
<4>[  794.424914] irq event stamp: 245432663
<4>[  794.425025]  nls_iso8859_1 pinctrl_cannonlake intel_pmc_core wmi acpi_tad pmt_telemetry pmt_class intel_vsec acpi_pad input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink ip_tables x_tables autofs4 [last unloaded: i915]
<4>[  794.425059] RBP: ffffc90001a27378 R08: 00000000002f8be1 R09: 0000000000000001
<4>[  794.425061] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c81f
<4>[  794.425062] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8be1003
<4>[  794.425064] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.425065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.425067] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.425069] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.425070] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.425071] Call Trace:
<4>[  794.425073]  <TASK>
<4>[  794.425074]  ? show_regs+0x6c/0x80
<4>[  794.425077]  ? __warn+0x93/0x1c0
<4>[  794.425080]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.425083]  ? report_bug+0x182/0x1b0
<4>[  794.425087]  ? handle_bug+0x6e/0xb0
<4>[  794.425089]  ? exc_invalid_op+0x18/0x80
<4>[  794.425092]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.425098]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.425101]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.425103]  ? mark_held_locks+0x46/0x90
<4>[  794.425111]  __iommu_map+0x119/0x2c0
<4>[  794.425117]  iommu_map_sg+0xbf/0x210
<4>[  794.425122]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.425128]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.427331]  ? irqentry_exit+0x77/0xb0
<4>[  794.427351] RBP: 00007ffc963fe1a0 R08: 0000000000000005 R09: 00000004fa7f1000
<4>[  794.427501] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.427507] RBP: ffffc90001a27378 R08: 00000000002f8be2 R09: 0000000000000001
<4>[  794.427509] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c81e
<4>[  794.427510] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8be2003
<4>[  794.427512] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.427514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.427515] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.427517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.427518] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.427520] Call Trace:
<4>[  794.427521]  <TASK>
<4>[  794.427522]  ? show_regs+0x6c/0x80
<4>[  794.427525]  ? __warn+0x93/0x1c0
<4>[  794.427528]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.427531]  ? report_bug+0x182/0x1b0
<4>[  794.427535]  ? handle_bug+0x6e/0xb0
<4>[  794.427537]  ? exc_invalid_op+0x18/0x80
<4>[  794.427540]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.427546]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.427549]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.427551]  ? mark_held_locks+0x46/0x90
<4>[  794.427559]  __iommu_map+0x119/0x2c0
<4>[  794.427565]  iommu_map_sg+0xbf/0x210
<4>[  794.427570]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.427576]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.429593]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.429799] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.429949] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.429955] RAX: 0000000000000000 RBX: ffff888126b31f20 RCX: 0000000000000000
<4>[  794.429957] RDX: 0000000000000000 RSI: 0000000003d163e4 RDI: 0000000000000000
<4>[  794.429958] RBP: ffffc90001a27378 R08: 00000000002f8be3 R09: 0000000000000001
<4>[  794.429960] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c81d
<4>[  794.429961] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8be3003
<4>[  794.429963] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.429964] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.429966] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.429967] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.429969] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.429970] Call Trace:
<4>[  794.429971]  <TASK>
<4>[  794.429973]  ? show_regs+0x6c/0x80
<4>[  794.429976]  ? __warn+0x93/0x1c0
<4>[  794.429979]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.429982]  ? report_bug+0x182/0x1b0
<4>[  794.429986]  ? handle_bug+0x6e/0xb0
<4>[  794.429988]  ? exc_invalid_op+0x18/0x80
<4>[  794.429990]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.429996]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.429999]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.430002]  ? mark_held_locks+0x46/0x90
<4>[  794.430009]  __iommu_map+0x119/0x2c0
<4>[  794.430015]  iommu_map_sg+0xbf/0x210
<4>[  794.430020]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.430027]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.430031]  dma_map_sgtable+0x1d/0x40
<4>[  794.432233]  ? clear_bhb_loop+0x15/0x70
<4>[  794.432251] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.432400] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.432402] RAX: 0000000000000000 RBX: ffff888126b31f28 RCX: 0000000000000000
<4>[  794.432404] RDX: 0000000000000000 RSI: 0000000003d163e5 RDI: 0000000000000000
<4>[  794.432405] RBP: ffffc90001a27378 R08: 00000000002f8be4 R09: 0000000000000001
<4>[  794.432406] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c81c
<4>[  794.432408] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8be4003
<4>[  794.432409] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.432411] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.432413] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.432414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.432416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.432417] Call Trace:
<4>[  794.432418]  <TASK>
<4>[  794.432420]  ? show_regs+0x6c/0x80
<4>[  794.432423]  ? __warn+0x93/0x1c0
<4>[  794.432426]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.432429]  ? report_bug+0x182/0x1b0
<4>[  794.432432]  ? handle_bug+0x6e/0xb0
<4>[  794.432435]  ? exc_invalid_op+0x18/0x80
<4>[  794.432437]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.432443]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.432446]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.432449]  ? mark_held_locks+0x46/0x90
<4>[  794.432456]  __iommu_map+0x119/0x2c0
<4>[  794.432462]  iommu_map_sg+0xbf/0x210
<4>[  794.432467]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.432474]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.432944]  ? lock_acquire+0xc9/0x300
<4>[  794.434678]  ? clear_bhb_loop+0x15/0x70
<4>[  794.434707] hardirqs last  enabled at (245437407): [<ffffffff814a2409>] __up_console_sem+0x79/0xa0
<4>[  794.434852] RAX: 0000000000000000 RBX: ffff888126b31f30 RCX: 0000000000000000
<4>[  794.434854] RDX: 0000000000000000 RSI: 0000000003d163e6 RDI: 0000000000000000
<4>[  794.434855] RBP: ffffc90001a27378 R08: 00000000002f8be5 R09: 0000000000000001
<4>[  794.434857] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c81b
<4>[  794.434859] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8be5003
<4>[  794.434860] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.434862] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.434864] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.434865] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.434867] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.434868] Call Trace:
<4>[  794.434869]  <TASK>
<4>[  794.434871]  ? show_regs+0x6c/0x80
<4>[  794.434874]  ? __warn+0x93/0x1c0
<4>[  794.434877]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.434880]  ? report_bug+0x182/0x1b0
<4>[  794.434884]  ? handle_bug+0x6e/0xb0
<4>[  794.434886]  ? exc_invalid_op+0x18/0x80
<4>[  794.434889]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.434895]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.434898]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.434900]  ? mark_held_locks+0x46/0x90
<4>[  794.434908]  __iommu_map+0x119/0x2c0
<4>[  794.434914]  iommu_map_sg+0xbf/0x210
<4>[  794.434919]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.434926]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.434930]  dma_map_sgtable+0x1d/0x40
<4>[  794.436944]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.437143] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.437297] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.437304] RBP: ffffc90001a27378 R08: 00000000002f8be6 R09: 0000000000000001
<4>[  794.437306] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c81a
<4>[  794.437307] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8be6003
<4>[  794.437309] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.437311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.437312] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.437314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.437315] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.437316] Call Trace:
<4>[  794.437318]  <TASK>
<4>[  794.437319]  ? show_regs+0x6c/0x80
<4>[  794.437322]  ? __warn+0x93/0x1c0
<4>[  794.437325]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.437328]  ? report_bug+0x182/0x1b0
<4>[  794.437332]  ? handle_bug+0x6e/0xb0
<4>[  794.437334]  ? exc_invalid_op+0x18/0x80
<4>[  794.437337]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.437343]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.437345]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.437348]  ? mark_held_locks+0x46/0x90
<4>[  794.437355]  __iommu_map+0x119/0x2c0
<4>[  794.437362]  iommu_map_sg+0xbf/0x210
<4>[  794.437367]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.437373]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.439547]  ? find_held_lock+0x31/0x90
<4>[  794.439592] RDX: 00007ffc963fe210 RSI: 0000000040406469 RDI: 0000000000000005
<4>[  794.439743] Code: 75 c0 e8 8c 47 41 ff 8b 05 2a cf 57 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 0d cf 57 01 <0f> 0b e9 0f fd ff ff 41 80 e7 7f e9 eb fc ff ff 49 c7 c0 00 fe ff
<4>[  794.439750] RBP: ffffc90001a27378 R08: 00000000002f8be7 R09: 0000000000000001
<4>[  794.439751] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c819
<4>[  794.439753] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8be7003
<4>[  794.439754] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.439756] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.439758] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.439759] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.439761] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.439762] Call Trace:
<4>[  794.439764]  <TASK>
<4>[  794.439765]  ? show_regs+0x6c/0x80
<4>[  794.439768]  ? __warn+0x93/0x1c0
<4>[  794.439771]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.439779]  ? report_bug+0x182/0x1b0
<4>[  794.439783]  ? handle_bug+0x6e/0xb0
<4>[  794.439785]  ? exc_invalid_op+0x18/0x80
<4>[  794.439787]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.439794]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.439796]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.439799]  ? mark_held_locks+0x46/0x90
<4>[  794.439806]  __iommu_map+0x119/0x2c0
<4>[  794.439813]  iommu_map_sg+0xbf/0x210
<4>[  794.439818]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.439824]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.441841]  drm_ioctl_kernel+0xb2/0x120
<4>[  794.442040] RSP: 002b:00007ffc963fe150 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4>[  794.442193] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.442199] RAX: 0000000000000000 RBX: ffff888126b31f48 RCX: 0000000000000000
<4>[  794.442200] RDX: 0000000000000000 RSI: 0000000003d163e9 RDI: 0000000000000000
<4>[  794.442202] RBP: ffffc90001a27378 R08: 00000000002f8be8 R09: 0000000000000001
<4>[  794.442203] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c818
<4>[  794.442205] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8be8003
<4>[  794.442207] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.442208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.442210] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.442211] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.442213] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.442214] Call Trace:
<4>[  794.442215]  <TASK>
<4>[  794.442217]  ? show_regs+0x6c/0x80
<4>[  794.442220]  ? __warn+0x93/0x1c0
<4>[  794.442223]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.442226]  ? report_bug+0x182/0x1b0
<4>[  794.442230]  ? handle_bug+0x6e/0xb0
<4>[  794.442232]  ? exc_invalid_op+0x18/0x80
<4>[  794.442234]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.442241]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.442243]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.442246]  ? mark_held_locks+0x46/0x90
<4>[  794.442253]  __iommu_map+0x119/0x2c0
<4>[  794.442260]  iommu_map_sg+0xbf/0x210
<4>[  794.442265]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.442271]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.442275]  dma_map_sgtable+0x1d/0x40
<4>[  794.444475]  ? clear_bhb_loop+0x15/0x70
<4>[  794.444492] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.444641] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.444644] RAX: 0000000000000000 RBX: ffff888126b31f50 RCX: 0000000000000000
<4>[  794.444645] RDX: 0000000000000000 RSI: 0000000003d163ea RDI: 0000000000000000
<4>[  794.444647] RBP: ffffc90001a27378 R08: 00000000002f8be9 R09: 0000000000000001
<4>[  794.444648] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c817
<4>[  794.444650] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8be9003
<4>[  794.444651] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.444653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.444655] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.444656] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.444658] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.444659] Call Trace:
<4>[  794.444660]  <TASK>
<4>[  794.444662]  ? show_regs+0x6c/0x80
<4>[  794.444665]  ? __warn+0x93/0x1c0
<4>[  794.444668]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.444671]  ? report_bug+0x182/0x1b0
<4>[  794.444674]  ? handle_bug+0x6e/0xb0
<4>[  794.444677]  ? exc_invalid_op+0x18/0x80
<4>[  794.444679]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.444685]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.444688]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.444691]  ? mark_held_locks+0x46/0x90
<4>[  794.444698]  __iommu_map+0x119/0x2c0
<4>[  794.444704]  iommu_map_sg+0xbf/0x210
<4>[  794.444709]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.444716]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.444723]  i915_ttm_resource_get_st+0x189/0x1b0 [i915]
<4>[  794.446939] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007628f4b24ded
<4>[  794.447090] RIP: 0010:intel_iommu_map_pages+0x687/0x820
<4>[  794.447096] RAX: 0000000000000000 RBX: ffff888126b31f58 RCX: 0000000000000000
<4>[  794.447097] RDX: 0000000000000000 RSI: 0000000003d163eb RDI: 0000000000000000
<4>[  794.447099] RBP: ffffc90001a27378 R08: 00000000002f8bea R09: 0000000000000001
<4>[  794.447100] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c816
<4>[  794.447102] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bea003
<4>[  794.447103] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.447105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.447106] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.447108] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.447109] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.447111] Call Trace:
<4>[  794.447112]  <TASK>
<4>[  794.447114]  ? show_regs+0x6c/0x80
<4>[  794.447117]  ? __warn+0x93/0x1c0
<4>[  794.447120]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.447123]  ? report_bug+0x182/0x1b0
<4>[  794.447126]  ? handle_bug+0x6e/0xb0
<4>[  794.447129]  ? exc_invalid_op+0x18/0x80
<4>[  794.447131]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.447137]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.447140]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.447142]  ? mark_held_locks+0x46/0x90
<4>[  794.447150]  __iommu_map+0x119/0x2c0
<4>[  794.447156]  iommu_map_sg+0xbf/0x210
<4>[  794.447161]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.447167]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.447172]  dma_map_sgtable+0x1d/0x40
<4>[  794.449374]  ? clear_bhb_loop+0x15/0x70
<4>[  794.449391] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc963fe210
<4>[  794.449540] RSP: 0018:ffffc90001a272b8 EFLAGS: 00010246
<4>[  794.449543] RAX: 0000000000000000 RBX: ffff888126b31f60 RCX: 0000000000000000
<4>[  794.449544] RDX: 0000000000000000 RSI: 0000000003d163ec RDI: 0000000000000000
<4>[  794.449546] RBP: ffffc90001a27378 R08: 00000000002f8beb R09: 0000000000000001
<4>[  794.449547] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c815
<4>[  794.449548] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8beb003
<4>[  794.449550] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.449552] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.449553] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.449555] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.449556] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.449558] Call Trace:
<4>[  794.449559]  <TASK>
<4>[  794.449560]  ? show_regs+0x6c/0x80
<4>[  794.449564]  ? __warn+0x93/0x1c0
<4>[  794.449566]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.449569]  ? report_bug+0x182/0x1b0
<4>[  794.449573]  ? handle_bug+0x6e/0xb0
<4>[  794.449575]  ? exc_invalid_op+0x18/0x80
<4>[  794.449578]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.449584]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.449587]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.449589]  ? mark_held_locks+0x46/0x90
<4>[  794.449597]  __iommu_map+0x119/0x2c0
<4>[  794.449603]  iommu_map_sg+0xbf/0x210
<4>[  794.449608]  iommu_dma_map_sg+0x43b/0x520
<4>[  794.449614]  __dma_map_sg_attrs+0x1ca/0x290
<4>[  794.450085]  ? lock_acquire+0xc9/0x300
<4>[  794.451824]  ? clear_bhb_loop+0x15/0x70
<4>[  794.451851]  </TASK>
<4>[  794.451858] softirqs last  enabled at (245387364): [<ffffffff813d344f>] __irq_exit_rcu+0x13f/0x160
<4>[  794.451995] RAX: 0000000000000000 RBX: ffff888126b31f68 RCX: 0000000000000000
<4>[  794.451996] RDX: 0000000000000000 RSI: 0000000003d163ed RDI: 0000000000000000
<4>[  794.451997] RBP: ffffc90001a27378 R08: 00000000002f8bec R09: 0000000000000001
<4>[  794.451999] R10: ffff888126b31000 R11: 0000000000000000 R12: 000000000006c814
<4>[  794.452000] R13: 0000000000000000 R14: ffff888100274588 R15: 00000002f8bec003
<4>[  794.452002] FS:  00007628f2976940(0000) GS:ffff88845d780000(0000) knlGS:0000000000000000
<4>[  794.452004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  794.452005] CR2: 000070afc74be020 CR3: 000000014660e002 CR4: 00000000003726f0
<4>[  794.452007] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4>[  794.452008] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4>[  794.452010] Call Trace:
<4>[  794.452011]  <TASK>
<4>[  794.452013]  ? show_regs+0x6c/0x80
<4>[  794.452016]  ? __warn+0x93/0x1c0
<4>[  794.452018]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.452021]  ? report_bug+0x182/0x1b0
<4>[  794.452025]  ? handle_bug+0x6e/0xb0
<4>[  794.452027]  ? exc_invalid_op+0x18/0x80
<4>[  794.452030]  ? asm_exc_invalid_op+0x1b/0x20
<4>[  794.452036]  ? intel_iommu_map_pages+0x687/0x820
<4>[  794.452039]  ? intel_iommu_map_pages+0x664/0x820
<4>[  794.452041]  ? mark_held_locks+0x46/0x90
<4>[  794.452049]  __iommu_map+0x119/0x2c0
<4>[  794.452055]  iommu_map_sg+0xb