[Bug 111159] New: [CI][DRMTIP] igt at gem_exec_balancer@nop - dmesg-warn - list_del corruption

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111159

            Bug ID: 111159
           Summary: [CI][DRMTIP] igt at gem_exec_balancer@nop - dmesg-warn -
                    list_del corruption
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         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/drmtip_323/fi-icl-u3/igt@gem_exec_balancer@nop.html

6> [865.857143] Console: switching to colour dummy device 80x25
<6> [865.857180] [IGT] gem_exec_balancer: executing
<5> [865.871583] Setting dangerous option reset - tainting kernel
<6> [865.874089] [IGT] gem_exec_balancer: starting subtest nop
<4> [893.973537] ------------[ cut here ]------------
<4> [893.973566] list_del corruption. prev->next should be ffff993d38943868,
but was ffff993d38a9b868
<4> [893.973597] WARNING: CPU: 2 PID: 1171 at lib/list_debug.c:53
__list_del_entry_valid+0x79/0x90
<4> [893.973599] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp i915 x86_pkg_temp_thermal
coretemp crct10dif_pclmul crc32_pclmul btusb btrtl snd_hda_intel
ghash_clmulni_intel btbcm snd_hda_codec btintel snd_hwdep snd_hda_core
bluetooth e1000e cdc_ether usbnet snd_pcm mii ptp ecdh_generic pps_core ecc
mei_me mei prime_numbers
<4> [893.973629] CPU: 2 PID: 1171 Comm: kworker/u16:0 Tainted: G     U         
  5.2.0-gf870335815ab-drmtip_323+ #1
<4> [893.973630] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP TLC, BIOS
ICLSFWR1.R00.3183.A00.1905020411 05/02/2019
<4> [893.973672] Workqueue: i915 retire_work_handler [i915]
<4> [893.973687] RIP: 0010:__list_del_entry_valid+0x79/0x90
<4> [893.973689] Code: 0b 31 c0 c3 48 89 fe 48 c7 c7 f8 35 0a 88 e8 2e af bd ff
0f 0b 31 c0 c3 48 89 f2 48 89 fe 48 c7 c7 30 36 0a 88 e8 17 af bd ff <0f> 0b 31
c0 c3 48 c7 c7 70 36 0a 88 e8 06 af bd ff 0f 0b 31 c0 c3
<4> [893.973691] RSP: 0018:ffffa112001ebda0 EFLAGS: 00010086
<4> [893.973693] RAX: 0000000000000000 RBX: ffff993d52590e80 RCX:
0000000000000000
<4> [893.973694] RDX: 0000000000000007 RSI: 0000000000000000 RDI:
00000000ffffffff
<4> [893.973696] RBP: ffff993d3843a2b0 R08: 0000000000000000 R09:
0000000000000001
<4> [893.973697] R10: ffffa112001ebd28 R11: 0000000000000000 R12:
ffff993d38943848
<4> [893.973699] R13: ffff993d38943868 R14: ffff993d52590ee0 R15:
0000000000000000
<4> [893.973701] FS:  0000000000000000(0000) GS:ffff993d5fd00000(0000)
knlGS:0000000000000000
<4> [893.973703] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [893.973704] CR2: 00007f64d98ce778 CR3: 000000015f210005 CR4:
0000000000760ee0
<4> [893.973706] PKRU: 55555554
<4> [893.973708] Call Trace:
<4> [893.973735]  i915_request_cancel_breadcrumb+0x14f/0x180 [i915]
<4> [893.973778]  i915_request_retire+0x562/0x840 [i915]
<4> [893.973821]  ring_retire_requests+0x47/0x50 [i915]
<4> [893.973829]  i915_retire_requests+0x57/0xc0 [i915]
<4> [893.973829]  retire_work_handler+0x27/0x60 [i915]
<4> [893.973829]  process_one_work+0x245/0x610
<4> [893.973829]  worker_thread+0x37/0x380
<4> [893.973829]  ? process_one_work+0x610/0x610
<4> [893.973829]  kthread+0x119/0x130
<4> [893.973829]  ? kthread_park+0x80/0x80
<4> [893.973829]  ret_from_fork+0x24/0x50
<4> [893.973829] irq event stamp: 225410
<4> [893.973829] hardirqs last  enabled at (225409): [<ffffffff87237708>]
__slab_free+0x3e8/0x4f0
<4> [893.973829] hardirqs last disabled at (225410): [<ffffffffc0507389>]
i915_request_retire+0x249/0x840 [i915]
<4> [893.973829] softirqs last  enabled at (224652): [<ffffffff872940a4>]
wb_workfn+0x4c4/0x5f0
<4> [893.973829] softirqs last disabled at (224648): [<ffffffff871e9609>]
wb_wakeup_delayed+0x29/0x60
<4> [893.973829] WARNING: CPU: 2 PID: 1171 at lib/list_debug.c:53
__list_del_entry_valid+0x79/0x90
<4> [893.973829] ---[ end trace 3b4e2fba04d7e206 ]---
<6> [903.633639] [IGT] gem_exec_balancer: exiting, ret=0
<5> [903.634058] Setting dangerous option reset - tainting kernel
<6> [903.647122] Console: switching to colour frame buffer device 240x75

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