[Bug 112231] New: [CI][SHARDS] igt at runner@aborted - fail - TAINT_WARN: WARN_ON has happened, list_del corruption, ffff888494177930->next is LIST_POISON1 (dead000000000100)

Fri Nov 8 08:30:50 UTC 2019

https://bugs.freedesktop.org/show_bug.cgi?id=112231

            Bug ID: 112231
           Summary: [CI][SHARDS] igt at runner@aborted - fail - TAINT_WARN:
                    WARN_ON has happened, list_del corruption,
                    ffff888494177930->next is LIST_POISON1
                    (dead000000000100)
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: not set
          Priority: not set
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: lakshminarayana.vudum at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7275/shard-tglb6/igt@runner@aborted.html
Aborting.
Previous test: nothing
Next test: gem_render_copy (y-tiled-ccs-to-x-tiled)

Kernel badly tainted (0x200) (check dmesg for details):
        (0x200) TAINT_WARN: WARN_ON has happened.

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7275/shard-tglb6/boot21.txt
 15.243779] ------------[ cut here ]------------
<4>[   15.243808] list_del corruption, ffff888494177930->next is LIST_POISON1
(dead000000000100)
<4>[   15.243825] WARNING: CPU: 6 PID: 60 at lib/list_debug.c:47
__list_del_entry_valid+0x4e/0x90
<4>[   15.243828] Modules linked in: i915(+) mei_hdcp x86_pkg_temp_thermal
coretemp crct10dif_pclmul crc32_pclmul cdc_ether usbnet ghash_clmulni_intel mii
mei_me mei prime_numbers
<4>[   15.243841] CPU: 6 PID: 60 Comm: kworker/u16:1 Not tainted
5.4.0-rc6-CI-CI_DRM_7275+ #1
<4>[   15.243843] Hardware name: Intel Corporation Tiger Lake Client
Platform/TigerLake U DDR4 SODIMM RVP, BIOS TGLSFWI1.R00.2321.A08.1909162051
09/16/2019
<4>[   15.243912] Workqueue: i915 __i915_gem_free_work [i915]
<4>[   15.243920] RIP: 0010:__list_del_entry_valid+0x4e/0x90
<4>[   15.243924] Code: 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 c7 c7 d8 6b 0e 82 e8 e2 5c bb ff <0f> 0b
31 c0 c3 48 89 fe 48 c7 c7 10 6c 0e 82 e8 ce 5c bb ff 0f 0b
<4>[   15.243927] RSP: 0018:ffffc900002e7d80 EFLAGS: 00010282
<4>[   15.243930] RAX: 0000000000000000 RBX: ffff888494177900 RCX:
0000000000000001
<4>[   15.243933] RDX: 0000000080000001 RSI: ffff88849dd20920 RDI:
00000000ffffffff
<4>[   15.243936] RBP: ffff888494170040 R08: ffff88849dd20920 R09:
0000000000000000
<4>[   15.243938] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff888494177900
<4>[   15.243941] R13: ffff88848b089230 R14: ffff88849416f700 R15:
ffffffff82340bb0
<4>[   15.243943] FS:  0000000000000000(0000) GS:ffff8884a0700000(0000)
knlGS:0000000000000000
<4>[   15.243946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[   15.243949] CR2: 000055c5668a5000 CR3: 000000048b1a4002 CR4:
0000000000760ee0
<4>[   15.243951] PKRU: 55555554
<4>[   15.243953] Call Trace:
<4>[   15.243959]  rm_hole+0x22/0xc0
<4>[   15.243965]  ? __mutex_unlock_slowpath+0x46/0x2b0
<4>[   15.243970]  drm_mm_remove_node+0x228/0x370
<4>[   15.244043]  __i915_vma_unbind.part.39+0x100/0x460 [i915]
<4>[   15.244125]  i915_vma_destroy+0x105/0x1e0 [i915]
<4>[   15.244187]  __i915_gem_free_objects+0x213/0x3e0 [i915]
<4>[   15.244197]  process_one_work+0x26a/0x620
<4>[   15.244207]  worker_thread+0x37/0x380
<4>[   15.244213]  ? process_one_work+0x620/0x620
<4>[   15.244217]  kthread+0x119/0x130
<4>[   15.244221]  ? kthread_park+0x80/0x80
<4>[   15.244227]  ret_from_fork+0x24/0x50
<4>[   15.244240] irq event stamp: 14610
<4>[   15.244244] hardirqs last  enabled at (14609): [<ffffffff81129579>]
console_unlock+0x4c9/0x5b0
<4>[   15.244248] hardirqs last disabled at (14610): [<ffffffff81001c0a>]
trace_hardirqs_off_thunk+0x1a/0x20
<4>[   15.244251] softirqs last  enabled at (14118): [<ffffffff8102a4d7>]
fpu__copy+0xc7/0x300
<4>[   15.244254] softirqs last disabled at (14116): [<ffffffff8102a44e>]
fpu__copy+0x3e/0x300
<4>[   15.244256] ---[ end trace abb6427a6a341800 ]---
<7>[   15.244532] [drm:intel_engines_setup [i915]] Initialized 3 engine
workarounds on rcs'0
<7>[   15.244574] [drm:intel_engines_setup [i915]] Initialized 1 whitelist
workarounds on rcs'0
<7>[   15.244619] [drm:__intel_engine_init_ctx_wa [i915]] Initialized 1 context
workarounds on rcs'0

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