https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4643/fi-gdg-551/igt@drv_selftest@live_sanitycheck.html

<7> [466.809755] [drm:i915_gem_contexts_init [i915]] fake context support initialized
<4> [466.814913] general protection fault: 0000 [#1] PREEMPT SMP PTI
<4> [466.814936] CPU: 0 PID: 6013 Comm: systemd-udevd Tainted: G     U            4.19.0-rc3-CI-CI_DRM_4827+ #1
<4> [466.814956] Hardware name: Dell Inc.                 OptiPlex GX280               /0G8310, BIOS A04 02/09/2005
<4> [466.814983] RIP: 0010:kernfs_find_ns+0x51/0x100
<4> [466.814996] Code: 20 41 0f 95 c7 85 c0 75 6d 4d 85 e4 0f 95 c0 44 38 f8 0f 85 88 00 00 00 4c 89 e6 4c 89 f7 e8 36 f9 ff ff 89 c5 48 85 db 74 39 <3b> 6b 20 72 41 77 29 4c 3b 63 18 72 39 77 21 48 8b 73 f8 4c 89 f7
<4> [466.815030] RSP: 0018:ffffc90000077b90 EFLAGS: 00010202
<4> [466.815046] RAX: 000000004684866e RBX: 2bad10012bad1001 RCX: ffff880035c2e9de
<4> [466.815061] RDX: 0000000000000720 RSI: 000000004684866e RDI: 0000000000000006
<4> [466.815077] RBP: 000000004684866e R08: 0000000082c49ee6 R09: 0000000000000001
<4> [466.815093] R10: ffffc90000077bc8 R11: ffffffff8226cbe0 R12: 0000000000000000
<4> [466.815109] R13: ffff88003ca89b28 R14: ffff880035c2e9d8 R15: 0000000000000000
<4> [466.815125] FS:  00007f821c16c680(0000) GS:ffff88003e000000(0000) knlGS:0000000000000000
<4> [466.815143] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [466.815156] CR2: 00005613b99d3878 CR3: 000000002a86c000 CR4: 00000000000006f0
<4> [466.815172] Call Trace:
<4> [466.815186]  kernfs_iop_lookup+0x46/0xa0
<4> [466.815200]  __lookup_slow+0xfc/0x1d0
<4> [466.815220]  lookup_slow+0x30/0x50
<4> [466.815233]  walk_component+0x1ba/0x2d0
<4> [466.815245]  ? path_init+0x3db/0x510
<4> [466.815256]  ? getname_flags+0x2d/0x180
<4> [466.815269]  ? set_track+0x90/0x140
<4> [466.815281]  path_lookupat+0x69/0x200
<4> [466.815294]  ? ___slab_alloc.constprop.34+0x221/0x390
<4> [466.815308]  ? ___slab_alloc.constprop.34+0x221/0x390
<4> [466.815323]  filename_lookup+0xb1/0x140
<4> [466.815340]  ? rcu_lockdep_current_cpu_online+0x8f/0xd0
<4> [466.815356]  ? rcu_read_lock_sched_held+0x6f/0x80
<4> [466.815369]  ? kmem_cache_alloc+0x24d/0x280
<4> [466.815386]  ? do_readlinkat+0x58/0x110
<4> [466.815398]  do_readlinkat+0x58/0x110
<4> [466.815412]  __x64_sys_readlinkat+0x15/0x20
<4> [466.815425]  do_syscall_64+0x55/0x190
<4> [466.815439]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [466.815453] RIP: 0033:0x7f821bc82d1a
<4> [466.815464] Code: 48 8b 0d 71 91 2d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 0b 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 3e 91 2d 00 f7 d8 64 89 01 48
<4> [466.815500] RSP: 002b:00007ffdb56a5208 EFLAGS: 00000206 ORIG_RAX: 000000000000010b
<4> [466.815520] RAX: ffffffffffffffda RBX: 00005613b99bb390 RCX: 00007f821bc82d1a
<4> [466.815536] RDX: 00005613b99bb390 RSI: 00007ffdb56a5290 RDI: 00000000ffffff9c
<4> [466.815553] RBP: 0000000000000064 R08: fefefefefefefeff R09: fefefefefefefeff
<4> [466.815569] R10: 0000000000000063 R11: 0000000000000206 R12: 00007ffdb56a5290
<4> [466.815586] R13: 00000000ffffff9c R14: 00007ffdb56a5260 R15: 0000000000000063
<4> [466.815608] Modules linked in: i915(+) amdgpu chash gpu_sched ttm snd_hda_codec snd_hwdep snd_hda_core snd_pcm vgem lpc_ich tg3 prime_numbers [last unloaded: i915]
<0> [466.815665] Dumping ftrace buffer:
<0> [466.815678] ---------------------------------
<0> [466.815850] CPU:0 [LOST 1417642 EVENTS]\x0adrv_self-5926    0.... 440880666us : i915_request_retire: __retire_engine_request(mock) fence 36:4, global=5, current 5
<0> [466.815979] drv_self-5926    0.... 440880684us : i915_request_retire: mock fence 36:5, global=4, current 5
<0> [466.816095] drv_self-5926    0.... 440880685us : i915_request_retire: marking mock as inactive
<0> [466.816206] drv_self-5926    0.N.. 440880700us : i915_gem_park: 
<0> [466.816227] drv_self-5937    0.... 441355611us : 0xffffffffa020d959: Running i915_gem_object_mock_selftests/igt_gem_object
<0> [466.816256] drv_self-5937    0.... 441355897us : 0xffffffffa020d959: Running i915_gem_object_mock_selftests/igt_phys_object
<0> [466.816382] drv_self-5945    0.... 441854610us : __i915_subtests: Running i915_gem_dmabuf_mock_selftests/igt_dmabuf_export
<0> [466.816506] drv_self-5945    0.... 441854938us : __i915_subtests: Running i915_gem_dmabuf_mock_selftests/igt_dmabuf_import_self
<0> [466.816630] drv_self-5945    0.... 441855031us : __i915_subtests: Running i915_gem_dmabuf_mock_selftests/igt_dmabuf_import
<0> [466.816754] drv_self-5945    0.... 441855494us : __i915_subtests: Running i915_gem_dmabuf_mock_selftests/igt_dmabuf_import_ownership
<0> [466.816880] drv_self-5945    0.... 441855761us : __i915_subtests: Running i915_gem_dmabuf_mock_selftests/igt_dmabuf_export_vmap
<0> [466.817004] drv_self-5945    0.... 441855968us : __i915_subtests: Running i915_gem_dmabuf_mock_selftests/igt_dmabuf_export_kmap
<0> [466.817035] drv_self-5953    0.... 442358611us : 0xffffffffa020d959: Running i915_vma_mock_selftests/igt_vma_create
<0> [466.817064] drv_self-5953    0.... 443375133us : 0xffffffffa020d959: Running i915_vma_mock_selftests/igt_vma_pin1
<0> [466.817091] drv_self-5953    0.... 443375520us : 0xffffffffa020d959: Running i915_vma_mock_selftests/igt_vma_rotate
<0> [466.817118] drv_self-5953    0.... 446359245us : 0xffffffffa020d959: Running i915_vma_mock_selftests/igt_vma_partial
<0> [466.817244] drv_self-5968    0.... 456144611us : __i915_subtests: Running i915_gem_evict_mock_selftests/igt_evict_something
<0> [466.817358] drv_self-5968    0.... 456491111us : i915_gem_switch_to_kernel_context: awake?=yes
<0> [466.817464] drv_self-5968    0.... 456491117us : i915_gem_switch_to_kernel_context: emit barrier on mock
<0> [466.817576] drv_self-5968    0.... 456491119us : i915_gem_unpark: 
<0> [466.817685] drv_self-5968    0.... 456491169us : i915_request_add: mock fence 3e:1
<0> [466.817797] drv_self-5968    0.... 456491559us : i915_request_add: marking mock as active
<0> [466.817910] drv_self-5968    0d..1 456491620us : __i915_request_submit: mock fence 3e:1 -> global=1, current 0
<0> [466.818025] drv_self-5968    0.... 456492024us : i915_gem_wait_for_idle: flags=3 (locked), timeout=9223372036854775807 (forever)
<0> [466.818142] drv_self-5968    0.... 456492053us : i915_request_retire: mock fence 3e:1, global=1, current 1
<0> [466.818256] drv_self-5968    0.... 456492055us : i915_request_retire: marking mock as inactive
<0> [466.818369] drv_self-5968    0.... 456492057us : i915_request_retire: __retire_engine_request(mock) fence 3e:1, global=1, current 1
<0> [466.818483] drv_self-5968    0.... 456492185us : i915_gem_park: 
<0> [466.818600] drv_self-5968    0.... 456821607us : __i915_subtests: Running i915_gem_evict_mock_selftests/igt_evict_for_vma
<0> [466.818724] drv_self-5968    0.... 457435260us : __i915_subtests: Running i915_gem_evict_mock_selftests/igt_evict_for_cache_color
<0> [466.818848] drv_self-5968    0.... 457438481us : __i915_subtests: Running i915_gem_evict_mock_selftests/igt_evict_vm
<0> [466.818957] drv_self-5968    0.... 457727933us : i915_gem_switch_to_kernel_context: awake?=yes
<0> [466.819068] drv_self-5968    0.... 457727942us : i915_gem_wait_for_idle: flags=3 (locked), timeout=9223372036854775807 (forever)
<0> [466.819177] drv_self-5968    0.... 457729281us : i915_gem_switch_to_kernel_context: awake?=yes
<0> [466.819287] drv_self-5968    0.... 457729311us : i915_gem_wait_for_idle: flags=3 (locked), timeout=9223372036854775807 (forever)
<0> [466.819413] drv_self-5968    0.... 458048863us : __i915_subtests: Running i915_gem_evict_mock_selftests/igt_overcommit
<0> [466.819441] drv_self-5979    0.... 459136614us : 0xffffffffa020d959: Running i915_gem_gtt_mock_selftests/igt_mock_drunk
<0> [466.819469] drv_self-5979    0.N.. 460137431us : 0xffffffffa020d959: Running i915_gem_gtt_mock_selftests/igt_mock_walk
<0> [466.819496] drv_self-5979    0.... 461138340us : 0xffffffffa020d959: Running i915_gem_gtt_mock_selftests/igt_mock_pot
<0> [466.819523] drv_self-5979    0.... 462301330us : 0xffffffffa020d959: Running i915_gem_gtt_mock_selftests/igt_mock_fill
<0> [466.819551] drv_self-5979    0.N.. 462529482us : 0xffffffffa020d959: Running i915_gem_gtt_mock_selftests/igt_gtt_reserve
<0> [466.819578] drv_self-5979    0.... 462906217us : 0xffffffffa020d959: Running i915_gem_gtt_mock_selftests/igt_gtt_insert
<0> [466.819701] drv_self-5990    0.... 464657028us : __i915_subtests: Running i915_gem_huge_page_mock_selftests/igt_mock_exhaust_device_supported_pages
<0> [466.819828] drv_self-5990    0.... 464658960us : __i915_subtests: Running i915_gem_huge_page_mock_selftests/igt_mock_ppgtt_misaligned_dma
<0> [466.819953] drv_self-5990    0.... 464750095us : __i915_subtests: Running i915_gem_huge_page_mock_selftests/igt_mock_ppgtt_huge_fill
<0> [466.820077] drv_self-5990    0.... 465429659us : __i915_subtests: Running i915_gem_huge_page_mock_selftests/igt_mock_ppgtt_64K
<0> [466.820106] drv_self-6001    0.... 466309610us : 0xffffffffa020d959: Running i915_gem_context_mock_selftests/igt_switch_to_kernel_context
<0> [466.820136] drv_self-6001    0.... 466309635us : 0xffffffffa0129ec5: Testing mock
<0> [466.820157] drv_self-6001    0.... 466309637us : 0xffffffffa01472c0: 
<0> [466.820177] drv_self-6001    0.... 466309676us : 0xffffffffa01632d0: mock fence 44:1
<0> [466.820199] drv_self-6001    0.... 466309956us : 0xffffffffa016383c: marking mock as active
<0> [466.820222] drv_self-6001    0d..1 466310012us : 0xffffffffa01624c0: mock fence 44:1 -> global=1, current 0
<0> [466.820248] drv_self-6001    0.... 466310451us : 0xffffffffa0129bf0: awake?=yes
<0> [466.820270] drv_self-6001    0.... 466310454us : 0xffffffffa0161520: mock fence 44:1, global=1, current 1
<0> [466.820295] drv_self-6001    0.... 466310455us : 0xffffffffa0161ba7: marking mock as inactive
<0> [466.820319] drv_self-6001    0.... 466310457us : 0xffffffffa01617b6: __retire_engine_request(mock) fence 44:1, global=1, current 1
<0> [466.820347] drv_self-6001    0.... 466310587us : 0xffffffffa01471f0: 
<0> [466.820366] drv_self-6001    0.... 466310614us : 0xffffffffa0129cb2: emit barrier on mock
<0> [466.820388] drv_self-6001    0.... 466310615us : 0xffffffffa01472c0: 
<0> [466.820408] drv_self-6001    0.... 466310634us : 0xffffffffa01632d0: mock fence 44:2
<0> [466.820430] drv_self-6001    0.... 466310637us : 0xffffffffa016383c: marking mock as active
<0> [466.820453] drv_self-6001    0d..1 466310641us : 0xffffffffa01624c0: mock fence 44:2 -> global=2, current 1
<0> [466.820479] drv_self-6001    0.... 466310651us : 0xffffffffa0127186: last request for mock on engine mock: 44:2
<0> [466.820506] drv_self-6001    0.... 466310653us : 0xffffffffa014b4b0: flags=2 (locked), timeout=9223372036854775807 (forever)
<0> [466.820534] drv_self-6001    0.... 466310659us : 0xffffffffa0161520: mock fence 44:2, global=2, current 2
<0> [466.820560] drv_self-6001    0.... 466310661us : 0xffffffffa0161ba7: marking mock as inactive
<0> [466.820584] drv_self-6001    0.... 466310662us : 0xffffffffa01617b6: __retire_engine_request(mock) fence 44:2, global=2, current 2
<0> [466.820613] drv_self-6001    0.... 466310665us : 0xffffffffa01471f0: 
<0> [466.820631] drv_self-6001    0.... 466310686us : 0xffffffffa0129bf0: awake?=yes
<0> [466.820653] drv_self-6001    0.... 466310688us : 0xffffffffa0129ec5: Testing all
<0> [466.820674] drv_self-6001    0.... 466310688us : 0xffffffffa01472c0: 
<0> [466.820693] drv_self-6001    0.... 466310707us : 0xffffffffa01632d0: mock fence 44:3
<0> [466.820715] drv_self-6001    0.... 466310708us : 0xffffffffa016383c: marking mock as active
<0> [466.820739] drv_self-6001    0d..1 466310712us : 0xffffffffa01624c0: mock fence 44:3 -> global=3, current 2
<0> [466.820764] drv_self-6001    0.... 466310720us : 0xffffffffa0129bf0: awake?=yes
<0> [466.820786] drv_self-6001    0.... 466310721us : 0xffffffffa0161520: mock fence 44:3, global=3, current 3
<0> [466.820811] drv_self-6001    0.... 466310722us : 0xffffffffa0161ba7: marking mock as inactive
<0> [466.820836] drv_self-6001    0.... 466310723us : 0xffffffffa01617b6: __retire_engine_request(mock) fence 44:3, global=3, current 3
<0> [466.820864] drv_self-6001    0.... 466310725us : 0xffffffffa01471f0: 
<0> [466.820883] drv_self-6001    0.... 466310744us : 0xffffffffa0129cb2: emit barrier on mock
<0> [466.820905] drv_self-6001    0.... 466310745us : 0xffffffffa01472c0: 
<0> [466.820924] drv_self-6001    0.... 466310763us : 0xffffffffa01632d0: mock fence 44:4
<0> [466.820946] drv_self-6001    0.... 466310764us : 0xffffffffa016383c: marking mock as active
<0> [466.820970] drv_self-6001    0d..1 466310769us : 0xffffffffa01624c0: mock fence 44:4 -> global=4, current 3
<0> [466.820996] drv_self-6001    0.... 466310778us : 0xffffffffa0127186: last request for mock on engine mock: 44:4
<0> [466.821022] drv_self-6001    0.... 466310779us : 0xffffffffa014b4b0: flags=2 (locked), timeout=9223372036854775807 (forever)
<0> [466.821050] drv_self-6001    0.... 466310783us : 0xffffffffa0161520: mock fence 44:4, global=4, current 4
<0> [466.821075] drv_self-6001    0.... 466310784us : 0xffffffffa0161ba7: marking mock as inactive
<0> [466.821099] drv_self-6001    0.... 466310785us : 0xffffffffa01617b6: __retire_engine_request(mock) fence 44:4, global=4, current 4
<0> [466.821127] drv_self-6001    0.... 466310787us : 0xffffffffa01471f0: 
<0> [466.821146] drv_self-6001    0.... 466310806us : 0xffffffffa0129bf0: awake?=yes
<0> [466.821167] drv_self-6001    0.... 466310808us : 0xffffffffa0129bf0: awake?=yes
<0> [466.821190] drv_self-6001    0.... 466310809us : 0xffffffffa014b4b0: flags=2 (locked), timeout=200
<0> [466.821302] drv_self-6009    0.... 466816163us : i915_gem_sanitize: 
<0> [466.821317] ---------------------------------
<6> [466.843108] [drm] RC6 disabled, disabling runtime PM support
<6> [466.849610] [drm] Initialized overlay support.
<4> [466.853980] ---[ end trace a20702f9d3d573cb ]---
<4> [466.854009] RIP: 0010:kernfs_find_ns+0x51/0x100
<4> [466.854023] Code: 20 41 0f 95 c7 85 c0 75 6d 4d 85 e4 0f 95 c0 44 38 f8 0f 85 88 00 00 00 4c 89 e6 4c 89 f7 e8 36 f9 ff ff 89 c5 48 85 db 74 39 <3b> 6b 20 72 41 77 29 4c 3b 63 18 72 39 77 21 48 8b 73 f8 4c 89 f7
<4> [466.854061] RSP: 0018:ffffc90000077b90 EFLAGS: 00010202
<4> [466.854076] RAX: 000000004684866e RBX: 2bad10012bad1001 RCX: ffff880035c2e9de
<4> [466.854092] RDX: 0000000000000720 RSI: 000000004684866e RDI: 0000000000000006
<4> [466.854107] RBP: 000000004684866e R08: 0000000082c49ee6 R09: 0000000000000001
<4> [466.854123] R10: ffffc90000077bc8 R11: ffffffff8226cbe0 R12: 0000000000000000
<4> [466.854138] R13: ffff88003ca89b28 R14: ffff880035c2e9d8 R15: 0000000000000000
<4> [466.854155] FS:  00007f821c16c680(0000) GS:ffff88003e000000(0000) knlGS:0000000000000000
<4> [466.854173] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [466.854187] CR2: 00007ffdb56e7910 CR3: 000000002a86c000 CR4: 00000000000006f0