[Bug 103514] [BAT] igt at gem_* - Failed assertion: !"GPU hung" - and its aftermath

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103514

--- Comment #28 from Marta Löfstedt <marta.lofstedt at intel.com> ---
It starts here:
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4032/fi-glk-dsi/igt@gem_exec_flush@basic-wb-rw-before-default.html

then the issue on this subtest hasn't been seen before:
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4032/fi-glk-dsi/igt@prime_busy@basic-wait-before-default.html

[  385.598295] ------------[ cut here ]------------
[  385.598302] list_del corruption. next->prev should be 0000000071b3538c, but
was 000000000ce0e81a
[  385.598328] WARNING: CPU: 1 PID: 2600 at lib/list_debug.c:56
__list_del_entry_valid+0x8a/0x90
[  385.598331] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp i915 coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core snd_pcm r8169 mii mei_me mei prime_numbers i2c_hid
pinctrl_geminilake pinctrl_intel
[  385.598398] CPU: 1 PID: 2600 Comm: python3 Tainted: G     U  W       
4.15.0-rc2-CI-CI_DRM_3448+ #1
[  385.598401] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07), BIOS
GELKRVPA.X64.0062.B30.1708222146 08/22/2017
[  385.598403] task: 000000009cfb4ec2 task.stack: 000000008c8f3191
[  385.598407] RIP: 0010:__list_del_entry_valid+0x8a/0x90
[  385.598409] RSP: 0018:ffffc9000033bad0 EFLAGS: 00010082
[  385.598414] RAX: 0000000000000054 RBX: ffff880173bf56e8 RCX:
0000000000000002
[  385.598417] RDX: 0000000080000002 RSI: ffffffff81ca8e7d RDI:
00000000ffffffff
[  385.598419] RBP: ffffffff81f3d818 R08: 0000000000000000 R09:
0000000000000001
[  385.598421] R10: 0000000000000000 R11: 0000000000000000 R12:
ffffea000530ae60
[  385.598424] R13: 0000000000000001 R14: ffffea00058bdfc0 R15:
0000000000000014
[  385.598426] FS:  0000000000000000(0000) GS:ffff88017fc80000(0000)
knlGS:0000000000000000
[  385.598429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  385.598431] CR2: 00007fa4d2b809e0 CR3: 000000016e65e000 CR4:
0000000000340ee0
[  385.598434] Call Trace:
[  385.598439]  release_pages+0x11f/0x370
[  385.598452]  tlb_flush_mmu_free+0x2c/0x50
[  385.598458]  unmap_page_range+0x794/0x8e0
[  385.598473]  unmap_vmas+0x47/0x90
[  385.598480]  exit_mmap+0xa0/0x170
[  385.598493]  mmput+0x5c/0x120
[  385.598498]  flush_old_exec+0x644/0x850
[  385.598506]  load_elf_binary+0x3b1/0x16b3
[  385.598513]  ? __lock_acquire+0x42c/0x15a0
[  385.598521]  ? search_binary_handler+0x72/0x1e0
[  385.598529]  search_binary_handler+0x7f/0x1e0
[  385.598535]  do_execveat_common.isra.12+0x658/0x950
[  385.598544]  SyS_execve+0x27/0x30
[  385.598549]  do_syscall_64+0x59/0x1a0
[  385.598555]  entry_SYSCALL64_slow_path+0x25/0x25
[  385.598559] RIP: 0033:0x7fa4d2b4b767
[  385.598561] RSP: 002b:00007fa4c76b8138 EFLAGS: 00000246 ORIG_RAX:
000000000000003b
[  385.598566] RAX: ffffffffffffffda RBX: 00000000000000a8 RCX:
00007fa4d2b4b767
[  385.598568] RDX: 00007ffc0ced82f8 RSI: 00007fa4c000aa70 RDI:
00007fa4c0012b40
[  385.598571] RBP: 00007fa4c0013040 R08: 0000000000000002 R09:
0000000000000005
[  385.598573] R10: 0000000000000000 R11: 0000000000000246 R12:
00007fa4c76dcf08
[  385.598575] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000005
[  385.598587] Code: ef c1 ff 0f ff 31 c0 c3 48 89 fe 48 c7 c7 28 6b cb 81 e8
1a ef c1 ff 0f ff 31 c0 c3 48 89 fe 48 c7 c7 68 6b cb 81 e8 06 ef c1 ff <0f> ff
31 c0 c3 90 41 57 41 56 41 55 41 54 55 53 48 83 ec 20 9c 
[  385.598722] ---[ end trace a55595b2ba3d54dd ]---

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