[Bug 109813] [CI][DRMTIP]igt at gem_exec_await@wide-context - incomplete - context list corruption

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109813

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[CI][DRMTIP]igt at gem_exec_aw |[CI][DRMTIP]igt at gem_exec_aw
                   |ait at wide-context -          |ait at wide-context -
                   |incomplete - BUG: sleeping  |incomplete - context list
                   |function called from        |corruption
                   |invalid context             |

--- Comment #3 from Chris Wilson <chris at chris-wilson.co.uk> ---
<4>[  423.304434] RIP: 0010:__list_del_entry_valid+0x2d/0x90
<4>[  423.304441] Code: 48 b9 00 01 00 00 00 00 ad de 48 8b 57 08 48 39 c8 74
26 48 b9 00 02 00 00 00 00 ad de 48 39 ca 74 2e 48 8b 32 48 39 fe 75 3a <48> 8b
50 08 48 39 f2 75 48 b8 01 00 00 00 c3 48 89 fe 48 89 c2 48
<4>[  423.304458] RSP: 0018:ffffa953406e3c98 EFLAGS: 00010246
<4>[  423.304465] RAX: fffda3ee05d4f988 RBX: ffffa3ee04c5a008 RCX:
dead000000000200
<4>[  423.304473] RDX: ffffa3ee1de3d990 RSI: ffffa3ee04c5a008 RDI:
ffffa3ee04c5a008
<4>[  423.304480] RBP: ffffa953406e3cf8 R08: 0000000000000000 R09:
0000000000000001
<4>[  423.304488] R10: 0000000000000000 R11: 0000000000000000 R12:
ffffa3ee1bf8d3d8
<4>[  423.304495] R13: ffffa3ee1bf8d910 R14: dead000000000200 R15:
dead000000000100
<4>[  423.304503] FS:  00007f5b84551980(0000) GS:ffffa3ee5be00000(0000)
knlGS:0000000000000000
<4>[  423.304512] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[  423.304518] CR2: 00007fd945eb1788 CR3: 000000028de16003 CR4:
0000000000760ef0
<4>[  423.304526] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4>[  423.304533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4>[  423.304540] PKRU: 55555554
<4>[  423.304544] Call Trace:
<4>[  423.304588]  context_close+0x79/0x2b0 [i915]
<4>[  423.304624]  ? i915_gem_context_create_ioctl+0x160/0x160 [i915]
<4>[  423.304656]  ? i915_gem_context_create_ioctl+0x160/0x160 [i915]
<4>[  423.304687]  i915_gem_context_destroy_ioctl+0x1a9/0x200 [i915]
<4>[  423.304696]  drm_ioctl_kernel+0x83/0xf0
<4>[  423.304703]  drm_ioctl+0x2f3/0x3b0
<4>[  423.304730]  ? i915_gem_context_create_ioctl+0x160/0x160 [i915]
<4>[  423.304741]  ? trace_hardirqs_on_thunk+0x1a/0x1c
<4>[  423.304749]  ? lockdep_hardirqs_on+0xe0/0x1b0
<4>[  423.304755]  ? trace_hardirqs_on_thunk+0x1a/0x1c
<4>[  423.304764]  do_vfs_ioctl+0xa0/0x6e0
<4>[  423.304771]  ? retint_kernel+0x2d/0x2d
<4>[  423.304778]  ksys_ioctl+0x35/0x60
<4>[  423.304785]  __x64_sys_ioctl+0x11/0x20
<4>[  423.304790]  do_syscall_64+0x55/0x190
<4>[  423.304796]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4>[  423.304803] RIP: 0033:0x7f5b839e75d7
<4>[  423.304809] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48
c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d
01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4>[  423.304826] RSP: 002b:00007ffdc3c527e8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4>[  423.304835] RAX: ffffffffffffffda RBX: 000055b373ac1c20 RCX:
00007f5b839e75d7
<4>[  423.304844] RDX: 00007ffdc3c52840 RSI: 000000004008646e RDI:
0000000000000005
<4>[  423.304855] RBP: 00007ffdc3c52840 R08: 00007ffdc3ce30b0 R09:
00007ffdc3ce3080
<4>[  423.304865] R10: 00000000000ce1fc R11: 0000000000000246 R12:
000000004008646e
<4>[  423.304875] R13: 0000000000000005 R14: 0000000000000000 R15:
0000000000000000
<4>[  423.304886] Modules linked in: vgem snd_hda_codec_hdmi mei_hdcp
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core snd_pcm x86_pkg_temp_thermal coretemp ax88179_178a
usbnet mii crct10dif_pclmul crc32_pclmul ghash_clmulni_intel e1000e ptp
pps_core i915 i2c_i801 mei_me mei prime_numbers


Very surprising.

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