Oops#1 Part4 <7>[ 456.034325] i915 0000:03:00.0: [drm:intel_power_well_disable [i915]] disabling DC_off <7>[ 456.034683] i915 0000:03:00.0: [drm:gen9_enable_dc5 [i915]] Enabling DC5 <7>[ 456.034988] i915 0000:03:00.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 01 <6>[ 456.145973] Console: switching to colour dummy device 80x25 <14>[ 456.146632] [IGT] api_intel_allocator: executing <7>[ 456.149871] i915 0000:03:00.0: [drm:i915_gem_open [i915]] <7>[ 456.151065] i915 0000:03:00.0: [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc] <7>[ 456.151413] i915 0000:03:00.0: [drm:i915_gem_open [i915]] <14>[ 456.152838] [IGT] api_intel_allocator: starting subtest fork-simple-stress <1>[ 456.199906] BUG: kernel NULL pointer dereference, address: 0000000000000018 <1>[ 456.199915] #PF: supervisor read access in kernel mode <1>[ 456.199920] #PF: error_code(0x0000) - not-present page <6>[ 456.199925] PGD 0 P4D 0 <4>[ 456.199929] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 456.199935] CPU: 4 UID: 0 PID: 2549 Comm: api_intel_alloc Tainted: G S U L 7.0.0-rc1-CI_DRM_18058-g1abdcb654ffb+ #1 PREEMPT(lazy) <4>[ 456.199945] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP <4>[ 456.199950] Hardware name: Gigabyte Technology Co., Ltd. GB-Z390 Garuda/GB-Z390 Garuda-CF, BIOS IG1c 11/19/2019 <4>[ 456.199956] RIP: 0010:ttm_bo_release+0x1bc/0x330 [ttm] <4>[ 456.199968] Code: 03 00 00 00 48 c7 45 b0 00 00 00 00 e8 9d f3 a5 e1 48 85 c0 75 10 eb 2f 48 8d 7d a0 e8 4d ff a5 e1 48 85 c0 74 21 48 8b 50 40 <48> 83 7a 18 00 75 e7 48 89 c7 e8 c5 b0 a5 e1 48 8d 7d a0 e8 2c ff Oops#1 Part3 <4>[ 456.199979] RSP: 0018:ffffc90008d172f8 EFLAGS: 00010286 <4>[ 456.199984] RAX: ffff888119667400 RBX: ffff888146d9e6c0 RCX: 0000000000000000 <4>[ 456.199990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 456.199995] RBP: ffffc90008d17358 R08: 0000000000000000 R09: 0000000000000000 <4>[ 456.199999] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88813d0cde68 <4>[ 456.200005] R13: ffff888146d9e540 R14: ffff888146d9e400 R15: ffff88813fdf55c0 <4>[ 456.200011] FS: 000072458ab2e940(0000) GS:ffff88852989b000(0000) knlGS:0000000000000000 <4>[ 456.200017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 456.200022] CR2: 0000000000000018 CR3: 00000001194d1005 CR4: 00000000003726f0 <4>[ 456.200027] Call Trace: <4>[ 456.200030] <4>[ 456.200036] ttm_bo_put+0x3c/0x70 [ttm] <4>[ 456.200045] ttm_bo_move_accel_cleanup+0xf6/0x3a0 [ttm] <4>[ 456.200056] i915_ttm_move+0x361/0x480 [i915] <4>[ 456.200280] ttm_bo_handle_move_mem+0xe8/0x1e0 [ttm] <4>[ 456.200291] ttm_bo_validate+0xcf/0x1c0 [ttm] <4>[ 456.200300] ? find_held_lock+0x31/0x90 <4>[ 456.200307] __i915_ttm_get_pages+0x73/0x290 [i915] <4>[ 456.200496] i915_ttm_get_pages+0x106/0x160 [i915] <4>[ 456.200670] ? lock_acquire+0xc4/0x2f0 <4>[ 456.200676] ? eb_validate_vmas+0x6b/0xd30 [i915] <4>[ 456.200827] ____i915_gem_object_get_pages+0x3f/0x120 [i915] <4>[ 456.200977] __i915_gem_object_get_pages+0xa5/0x110 [i915] <4>[ 456.201130] i915_vma_get_pages+0xf9/0x300 [i915] Oops#1 Part2 <4>[ 456.201288] i915_vma_pin_ww+0xf5/0x1390 [i915] <4>[ 456.201450] eb_validate_vmas+0x209/0xd30 [i915] <4>[ 456.201599] ? eb_pin_engine+0x2f0/0x3b0 [i915] <4>[ 456.201748] i915_gem_do_execbuffer+0xda3/0x36e0 [i915] <4>[ 456.201900] ? lock_release+0xd0/0x2b0 <4>[ 456.201908] ? kernel_text_address+0x139/0x150 <4>[ 456.201921] ? __lock_acquire+0x43e/0x2790 <4>[ 456.201927] ? find_held_lock+0x31/0x90 <4>[ 456.201932] ? __create_object+0x68/0xc0 <4>[ 456.201941] ? find_held_lock+0x31/0x90 <4>[ 456.201946] ? __might_fault+0x53/0xb0 <4>[ 456.201955] i915_gem_execbuffer2_ioctl+0x169/0x320 [i915] <4>[ 456.202107] ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915] <4>[ 456.202256] drm_ioctl_kernel+0xb3/0x120 <4>[ 456.202264] drm_ioctl+0x2d4/0x5a0 <4>[ 456.202269] ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915] <4>[ 456.202450] ? do_syscall_64+0x22e/0x1470 <4>[ 456.202459] __x64_sys_ioctl+0xa5/0x100 <4>[ 456.202466] x64_sys_call+0x1250/0x26e0 <4>[ 456.202471] do_syscall_64+0xdd/0x1470 <4>[ 456.202477] ? find_held_lock+0x31/0x90 <4>[ 456.202482] ? do_user_addr_fault+0x2fd/0x8e0 <4>[ 456.202490] ? __x64_sys_ioctl+0xa5/0x100 <4>[ 456.202495] ? trace_hardirqs_on_prepare+0xe1/0x100 <4>[ 456.202502] ? do_syscall_64+0x22e/0x1470 <4>[ 456.202507] ? exc_page_fault+0xbd/0x2c0 <4>[ 456.202514] entry_SYSCALL_64_after_hwframe+0x76/0x7e <4>[ 456.202519] RIP: 0033:0x72458cd24e1d <4>[ 456.202524] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00 Oops#1 Part1 <4>[ 456.202536] RSP: 002b:00007ffd085f7960 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 <4>[ 456.202544] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000072458cd24e1d <4>[ 456.202549] RDX: 00007ffd085f7a40 RSI: 0000000040406469 RDI: 0000000000000005 <4>[ 456.202555] RBP: 00007ffd085f79b0 R08: 00007ffd085f7960 R09: 0000000000000001 <4>[ 456.202560] R10: 00000000fffffffe R11: 0000000000000246 R12: 00007ffd085f7a40 <4>[ 456.202565] R13: 0000000040406469 R14: 0000000000000005 R15: 000072458d0decc0 <4>[ 456.202575] <4>[ 456.202578] Modules linked in: snd_hda_intel i915 vgem snd_hda_codec_intelhdmi snd_hda_codec_hdmi mei_lb mei_gsc prime_numbers drm_buddy ttm drm_display_helper cec rc_core i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common cmdlinepart ee1004 spi_nor intel_tcc_cooling mtd hid_generic x86_pkg_temp_thermal overlay intel_powerclamp mei_pxp gigabyte_wmi coretemp wmi_bmof intel_wmi_thunderbolt mei_hdcp mxm_wmi kvm_intel kvm irqbypass ghash_clmulni_intel aesni_intel snd_intel_dspcfg snd_hda_codec rapl snd_hda_core intel_cstate snd_hwdep i2c_i801 i2c_mux snd_pcm usbhid spi_intel_pci snd_timer e1000e hid spi_intel i2c_smbus snd soundcore binfmt_misc video intel_pmc_core pmt_telemetry pmt_discovery pmt_class pinctrl_cannonlake intel_pmc_ssram_telemetry intel_vsec acpi_pad mei_me mei intel_pch_thermal wmi nls_iso8859_1 dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4 [last unloaded: i915] <4>[ 456.202682] CR2: 0000000000000018 <4>[ 456.202686] ---[ end trace 0000000000000000 ]---