[Bug 108835] New: [CI][SHARDS]ICL: igt at kms_flip@blocking-absolute-wf_vblank-interruptible - incomplete - WARNING: CPU: \d+ PID: \d+ at drivers/gpu/drm/drm_vblank.c:\d+ drm_wait_one_vblank

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108835

            Bug ID: 108835
           Summary: [CI][SHARDS]ICL:
                    igt at kms_flip@blocking-absolute-wf_vblank-interruptible
                    - incomplete - WARNING: CPU: \d+ PID: \d+ at
                    drivers/gpu/drm/drm_vblank.c:\d+ drm_wait_one_vblank
           Product: DRI
           Version: XOrg 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/CI_DRM_5178/shard-iclb7/igt@kms_flip@blocking-absolute-wf_vblank-interruptible.html


<4> [853.132618] vblank wait timed out on crtc 0
<4> [853.132651] WARNING: CPU: 2 PID: 189 at drivers/gpu/drm/drm_vblank.c:1084
drm_wait_one_vblank+0x19b/0x1b0
<4> [853.132658] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp
snd_hda_intel crct10dif_pclmul snd_hda_codec crc32_pclmul snd_hwdep
snd_hda_core cdc_ether ghash_clmulni_intel usbnet snd_pcm mii e1000e i2c_i801
prime_numbers
<4> [853.132703] CPU: 2 PID: 189 Comm: kworker/2:2 Tainted: G     U           
4.20.0-rc3-CI-CI_DRM_5178+ #1
<4> [853.132710] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.2402.AD3.1810170014
10/17/2018
<4> [853.132830] Workqueue: events i915_hotplug_work_func [i915]
<4> [853.132844] RIP: 0010:drm_wait_one_vblank+0x19b/0x1b0
<4> [853.132852] Code: fe ff ff e8 b7 4e a6 ff 48 89 e6 4c 89 ff e8 6c 5f ab ff
45 85 ed 0f 85 15 ff ff ff 89 ee 48 c7 c7 e8 03 10 82 e8 b5 4b a6 ff <0f> 0b e9
00 ff ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 8b
<4> [853.132859] RSP: 0018:ffffc9000146bca0 EFLAGS: 00010286
<4> [853.132866] RAX: 0000000000000000 RBX: ffff88849ef00000 RCX:
0000000000000000
<4> [853.132873] RDX: 0000000000000007 RSI: ffffffff820c6f58 RDI:
00000000ffffffff
<4> [853.132879] RBP: 0000000000000000 R08: 000000007ffc637a R09:
0000000000000000
<4> [853.132884] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000000
<4> [853.132890] R13: 0000000000000000 R14: 000000000000d0c2 R15:
ffff8884a491e680
<4> [853.132897] FS:  0000000000000000(0000) GS:ffff8884afe80000(0000)
knlGS:0000000000000000
<4> [853.132904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [853.132910] CR2: 00007f63bf0df000 CR3: 0000000005210006 CR4:
0000000000760ee0
<4> [853.132916] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4> [853.132922] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4> [853.132927] PKRU: 55555554
<4> [853.132932] Call Trace:
<4> [853.132949]  ? wait_woken+0xa0/0xa0
<4> [853.133068]  intel_dp_retrain_link+0x130/0x190 [i915]
<4> [853.133176]  intel_ddi_hotplug+0x54/0x2e0 [i915]
<4> [853.133298]  i915_hotplug_work_func+0x1a9/0x240 [i915]
<4> [853.133324]  process_one_work+0x262/0x630
<4> [853.133349]  worker_thread+0x37/0x380
<4> [853.133365]  ? process_one_work+0x630/0x630
<4> [853.133373]  kthread+0x119/0x130
<4> [853.133383]  ? kthread_park+0x80/0x80
<4> [853.133400]  ret_from_fork+0x3a/0x50
<4> [853.133433] irq event stamp: 1426928
<4> [853.133443] hardirqs last  enabled at (1426927): [<ffffffff810fa529>]
console_unlock+0x3f9/0x5f0
<4> [853.133454] hardirqs last disabled at (1426928): [<ffffffff810019b0>]
trace_hardirqs_off_thunk+0x1a/0x1c
<4> [853.133463] softirqs last  enabled at (1426898): [<ffffffff81c0033a>]
__do_softirq+0x33a/0x4b9

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