HSW : igt@vgem_basic@dmabuf-export - dmesg-warn - general protection fault, probably for non-canonical address 0x5a5a5a5a5a5a5a5a: 0000 [#1] PREEMPT SMP PTI
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_9797/shard-hsw8/igt@vgem_basic@dmabuf-export.html
<4> [334.809179] general protection fault, probably for non-canonical address 0x5a5a5a5a5a5a5a5a: 0000 [#1] PREEMPT SMP PTI
<4> [334.809183] CPU: 7 PID: 2107 Comm: systemd-udevd Tainted: G U 5.11.0-CI-CI_DRM_9797+ #1
<4> [334.809187] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12 02/15/2016
<4> [334.809189] RIP: 0010:ext4_es_lookup_extent+0x19d/0x310
<4> [334.809196] Code: 01 01 e8 70 20 6f 00 65 ff 0d 4f a3 cb 7e 0f 85 9a fe ff ff e8 33 4e ca ff e9 90 fe ff ff 48 8b 9d 90 04 00 00 48 85 db 74 11 <8b> 43 18 44 39 f8 76 33 48 8b 5b 10 48 85 db 75 ef 48 8b 45 28 8b
<4> [334.809200] RSP: 0018:ffffc9000049f890 EFLAGS: 00010206
<4> [334.809204] RAX: 000000005a5a5a5a RBX: 5a5a5a5a5a5a5a5a RCX: 00000000be56f506
<4> [334.809206] RDX: ffff8881091b5c20 RSI: ffffffff822fa274 RDI: ffff888108c8d1d0
<7> [334.809108] i915 0000:00:02.0: [drm:intel_hdmi_detect [i915]] [CONNECTOR:79:HDMI-A-1]
<4> [334.809208] RBP: ffff888108c8cd30 R08: ffff8881091b5c48 R09: 00000000fffffffe
<4> [334.809211] R10: 0000000000000001 R11: 000000007e2b39da R12: ffffc9000049f8d0
<4> [334.809213] R13: 0000000000000000 R14: ffff888108c8d1d0 R15: 0000000000000000
<4> [334.809215] FS: 00007f384a949680(0000) GS:ffff88840f780000(0000) knlGS:0000000000000000
<4> [334.809218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [334.809221] CR2: 00007ffff7f35777 CR3: 000000016810e003 CR4: 00000000001706e0
<4> [334.809223] Call Trace:
<4> [334.809226] ext4_map_blocks+0x6b/0x580
<4> [334.809235] ext4_getblk+0x5b/0x240
<4> [334.809239] ext4_bread+0x6/0x60
<4> [334.809242] __ext4_read_dirblock+0x27/0x2f0
<4> [334.809247] dx_probe+0x3f/0x460
<4> [334.809252] ext4_dx_find_entry+0x41/0x170
<4> [334.809258] __ext4_find_entry+0x3ab/0x440
<4> [334.809264] ? d_alloc_parallel+0x410/0xa20
<4> [334.809270] ext4_lookup+0x7f/0x1d0
<4> [334.809275] __lookup_slow+0x100/0x1d0
<4> [334.809282] walk_component+0x133/0x1a0
<4> [334.809287] path_lookupat.isra.61+0x61/0x130
<4> [334.809292] filename_lookup.part.74+0x9b/0x120
<4> [334.809299] ? strncpy_from_user+0x22/0x1f0
<4> [334.809306] vfs_statx+0x6d/0x110
<4> [334.809312] __do_sys_newstat+0x39/0x70
<4> [334.809319] ? syscall_trace_enter.isra.20+0x60/0x1f0
<4> [334.809325] do_syscall_64+0x33/0x80
<4> [334.809330] entry_SYSCALL_64_after_hwframe+0x44/0xa9
<4> [334.809335] RIP: 0033:0x7f384a45e775
<4> [334.809338] Code: 00 00 00 75 05 48 83 c4 18 c3 e8 26 55 02 00 66 0f 1f 44 00 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 04 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 e1 b6 2d 00 f7 d8 64 89
<4> [334.809341] RSP: 002b:00007ffff7f33458 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
<4> [334.809344] RAX: ffffffffffffffda RBX: 00007f384a8c287c RCX: 00007f384a45e775
<4> [334.809347] RDX: 00007ffff7f338b0 RSI: 00007ffff7f338b0 RDI: 00007ffff7f334b0
<4> [334.809349] RBP: 00007ffff7f334b0 R08: 000000000000000a R09: 0000000000000001
<4> [334.809351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562739909ee0
<4> [334.809353] R13: 00007ffff7f338b0 R14: 0000562739902e30 R15: 0000562738c5e8fc
<4> [334.809358] Modules linked in: snd_hda_intel i915 amdgpu drm_ttm_helper ttm gpu_sched vgem snd_hda_codec_hdmi mei_hdcp snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_intel_dspcfg snd_hda_codec ghash_clmulni_intel snd_hwdep snd_hda_core r8169 snd_pcm mei_me realtek mei prime_numbers lpc_ich [last unloaded: i915]
<4> [334.809391] ---[ end trace 8f36492018f9992d ]---
<6> [334.881444] input: HDA Intel PCH Front Mic as /devices/pci0000:00/0000:00:1b.0/sound/card1/input31
<6> [334.881937] input: HDA Intel PCH Rear Mic as /devices/pci0000:00/0000:00:1b.0/sound/card1/input32
<6> [334.882467] input: HDA Intel PCH Line as /devices/pci0000:00/0000:00:1b.0/sound/card1/input33
<6> [334.882982] input: HDA Intel PCH Line Out Front as /devices/pci0000:00/0000:00:1b.0/sound/card1/input34
<6> [334.883508] input: HDA Intel PCH Line Out Surround as /devices/pci0000:00/0000:00:1b.0/sound/card1/input35
<6> [334.884026] input: HDA Intel PCH Line Out CLFE as /devices/pci0000:00/0000:00:1b.0/sound/card1/input36
<6> [334.884490] input: HDA Intel PCH Line Out Side as /devices/pci0000:00/0000:00:1b.0/sound/card1/input37
<6> [334.885002] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card1/input38