[Bug 111695] New: [CI]igt at i915_selftest@live_execlists - incomplete - list_del corruption. prev->next should be ffff888361ffca10, but was ffff88840ac2c730

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111695

            Bug ID: 111695
           Summary: [CI]igt at i915_selftest@live_execlists - incomplete -
                    list_del corruption. prev->next should be
                    ffff888361ffca10, but was ffff88840ac2c730
           Product: DRI
           Version: XOrg 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_6898/fi-icl-u2/igt@i915_selftest@live_execlists.html

 list_add corruption. prev->next should be next (ffff8883f931a1f8), but was
dead000000000100. (prev=ffff888361ffa610).
<4> [876.736136] WARNING: CPU: 2 PID: 21 at lib/list_debug.c:28
__list_add_valid+0x4d/0x70
<4> [876.736137] Modules linked in: i915(+) amdgpu gpu_sched ttm vgem
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp
x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_intel_nhlt
snd_hda_codec snd_hwdep snd_hda_core ghash_clmulni_intel e1000e cdc_ether
usbnet mii snd_pcm ptp pps_core mei_me mei prime_numbers btusb btrtl btbcm
btintel bluetooth ecdh_generic ecc [last unloaded: i915]
<4> [876.736154] CPU: 2 PID: 21 Comm: ksoftirqd/2 Tainted: G     U           
5.3.0-CI-CI_DRM_6898+ #1
<4> [876.736156] 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> [876.736157] RIP: 0010:__list_add_valid+0x4d/0x70
<4> [876.736159] Code: c3 48 89 d1 48 c7 c7 20 33 0e 82 48 89 c2 e8 4a 4a bc ff
0f 0b 31 c0 c3 48 89 c1 4c 89 c6 48 c7 c7 70 33 0e 82 e8 33 4a bc ff <0f> 0b 31
c0 c3 48 89 f2 4c 89 c1 48 89 fe 48 c7 c7 c0 33 0e 82 e8
<4> [876.736160] RSP: 0018:ffffc9000018bd30 EFLAGS: 00010082
<4> [876.736162] RAX: 0000000000000000 RBX: ffff888361ffc840 RCX:
0000000000000104
<4> [876.736163] RDX: 0000000080000104 RSI: 0000000000000000 RDI:
00000000ffffffff
<4> [876.736164] RBP: ffffc9000018bd68 R08: 0000000000000000 R09:
0000000000000001
<4> [876.736165] R10: 00000000aed95de3 R11: 000000007fe927eb R12:
ffff888361ffca10
<4> [876.736166] R13: ffff888361ffa610 R14: ffff888361ffc880 R15:
ffff8883f931a1f8
<4> [876.736168] FS:  0000000000000000(0000) GS:ffff88849fd00000(0000)
knlGS:0000000000000000
<4> [876.736169] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [876.736170] CR2: 00007f093a9173c0 CR3: 00000003bba08005 CR4:
0000000000760ee0
<4> [876.736171] PKRU: 55555554
<4> [876.736172] Call Trace:
<4> [876.736226]  __i915_request_submit+0x152/0x370 [i915]
<4> [876.736263]  __execlists_submission_tasklet+0x6da/0x1f50 [i915]
<4> [876.736293]  ? execlists_submission_tasklet+0x29/0x50 [i915]
<4> [876.736321]  execlists_submission_tasklet+0x34/0x50 [i915]
<4> [876.736325]  tasklet_action_common.isra.5+0x47/0xb0
<4> [876.736328]  __do_softirq+0xd8/0x4ae
<4> [876.736332]  ? smpboot_thread_fn+0x23/0x280
<4> [876.736334]  ? smpboot_thread_fn+0x6b/0x280
<4> [876.736336]  run_ksoftirqd+0x2b/0x50
<4> [876.736338]  smpboot_thread_fn+0x1d3/0x280
<4> [876.736341]  ? sort_range+0x20/0x20
<4> [876.736343]  kthread+0x119/0x130
<4> [876.736345]  ? kthread_park+0xa0/0xa0
<4> [876.736347]  ret_from_fork+0x24/0x50
<4> [876.736353] irq event stamp: 2290145
<4> [876.736356] hardirqs last  enabled at (2290144): [<ffffffff8123cde8>]
__slab_free+0x3e8/0x500
<4> [876.736358] hardirqs last disabled at (2290145): [<ffffffff819cfb4d>]
_raw_spin_lock_irqsave+0xd/0x50
<4> [876.736360] softirqs last  enabled at (2290114): [<ffffffff81c0033e>]
__do_softirq+0x33e/0x4ae
<4> [876.736361] softirqs last disabled at (2290119): [<ffffffff810b815b>]
run_ksoftirqd+0x2b/0x50
<4> [876.736363] WARNING: CPU: 2 PID: 21 at lib/list_debug.c:28
__list_add_valid+0x4d/0x70
<4> [876.736364] ---[ end trace 3e58d6c7356c65bf ]---

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