[Bug 111397] New: [CI][BAT]: igt at i915_selftest@live_hangcheck - timeout - list_add corruption. next->prev should be prev (ffff888405f2c430), but was ffff88848d9492c0. (next=ffff88848d94b480).

Wed Aug 14 06:03:33 UTC 2019

https://bugs.freedesktop.org/show_bug.cgi?id=111397

            Bug ID: 111397
           Summary: [CI][BAT]: igt at i915_selftest@live_hangcheck - timeout
                    -  list_add corruption. next->prev should be prev
                    (ffff888405f2c430), but was ffff88848d9492c0.
                    (next=ffff88848d94b480).
           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/IGT_5130/fi-icl-u2/igt@i915_selftest@live_hangcheck.html
<4> [837.968347] ------------[ cut here ]------------
<4> [837.968356] list_add corruption. next->prev should be prev
(ffff888405f2c430), but was ffff88848d9492c0. (next=ffff88848d94b480).
<4> [837.968367] WARNING: CPU: 0 PID: 2448 at lib/list_debug.c:25
__list_add_valid+0x36/0x70
<4> [837.968369] 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 snd_pcm
cdc_ether usbnet mii ptp pps_core mei_me mei prime_numbers btusb btrtl btbcm
btintel bluetooth ecdh_generic ecc [last unloaded: i915]
<4> [837.968388] CPU: 0 PID: 2448 Comm: kworker/u16:44 Tainted: G     U        
   5.3.0-rc4-CI-CI_DRM_6691+ #1
<4> [837.968390] 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> [837.968434] Workqueue: i915 retire_work_handler [i915]
<4> [837.968437] RIP: 0010:__list_add_valid+0x36/0x70
<4> [837.968439] Code: 48 8b 10 4c 39 c2 75 27 48 39 f8 74 39 48 39 fa 74 34 b8
01 00 00 00 c3 48 89 d1 48 c7 c7 18 28 0e 82 48 89 c2 e8 aa 58 bc ff <0f> 0b 31
c0 c3 48 89 c1 4c 89 c6 48 c7 c7 68 28 0e 82 e8 93 58 bc
<4> [837.968441] RSP: 0018:ffffc90000b2fcd8 EFLAGS: 00010282
<4> [837.968443] RAX: 0000000000000000 RBX: ffff888405f20000 RCX:
0000000000000001
<4> [837.968444] RDX: 0000000080000001 RSI: ffff8883f0a3c990 RDI:
00000000ffffffff
<4> [837.968446] RBP: ffffc90000b2fd30 R08: ffff8883f0a3c990 R09:
0000000000000000
<4> [837.968447] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff8883aac60008
<4> [837.968449] R13: ffff88833826dec0 R14: ffff88848d9481e0 R15:
ffff88848d94b480
<4> [837.968450] FS:  0000000000000000(0000) GS:ffff88849fc00000(0000)
knlGS:0000000000000000
<4> [837.968452] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [837.968453] CR2: 0000558311685f00 CR3: 0000000005210003 CR4:
0000000000760ef0
<4> [837.968455] PKRU: 55555554
<4> [837.968456] Call Trace:
<4> [837.968499]  __i915_request_commit+0x2dc/0x5d0 [i915]
<4> [837.968538]  ? __i915_request_create+0x228/0x4c0 [i915]
<4> [837.968574]  __engine_park+0x64/0x250 [i915]
<4> [837.968630]  ____intel_wakeref_put_last+0x1c/0x70 [i915]
<4> [837.968666]  i915_active_acquire_barrier+0x126/0x210 [i915]
<4> [837.968696]  intel_context_unpin+0xac/0xf0 [i915]
<4> [837.968732]  i915_request_retire+0x424/0x840 [i915]
<4> [837.968766]  ring_retire_requests+0x47/0x50 [i915]
<4> [837.968798]  i915_retire_requests+0x57/0xc0 [i915]
<4> [837.968831]  retire_work_handler+0x27/0x60 [i915]
<4> [837.968835]  process_one_work+0x245/0x610
<4> [837.968841]  worker_thread+0x37/0x380
<4> [837.968844]  ? process_one_work+0x610/0x610
<4> [837.968846]  kthread+0x119/0x130
<4> [837.968849]  ? kthread_park+0xa0/0xa0
<4> [837.968853]  ret_from_fork+0x24/0x50
<4> [837.968860] irq event stamp: 25769958
<4> [837.968863] hardirqs last  enabled at (25769957): [<ffffffff8112b537>]
console_unlock+0x3f7/0x5a0
<4> [837.968865] hardirqs last disabled at (25769958): [<ffffffff810019ea>]
trace_hardirqs_off_thunk+0x1a/0x20
<4> [837.968867] softirqs last  enabled at (25769938): [<ffffffff81c0033e>]
__do_softirq+0x33e/0x4ae
<4> [837.968869] softirqs last disabled at (25769929): [<ffffffff810b8099>]
irq_exit+0xa9/0xc0
<4> [837.968871] WARNING: CPU: 0 PID: 2448 at lib/list_debug.c:25
__list_add_valid+0x36/0x70
<4> [837.968873] ---[ end trace 472f2ecddc09acc7 ]---

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