[Bug 102138] New: [BAT][SKL] pipe A vblank wait timed out

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102138

            Bug ID: 102138
           Summary: [BAT][SKL] pipe A vblank wait timed out
           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: martin.peres at free.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

When running on CI_DRM_2942, the machine fi-skl-6600u got the following WARNING
when executing igt at gem_exec_suspend@basic-s3.

[  203.758766] pipe A vblank wait timed out
[  203.758783] ------------[ cut here ]------------
[  203.758808] WARNING: CPU: 3 PID: 3069 at
drivers/gpu/drm/i915/intel_display.c:11907 intel_atomic_commit_tail+0xed5/0xf00
[i915]
[  203.758809] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic asix usbnet mii x86_pkg_temp_thermal intel_powerclamp
coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel
snd_hda_codec snd_hwdep snd_hda_core snd_pcm i915 mei_me mei prime_numbers
i2c_hid pinctrl_sunrisepoint pinctrl_intel
[  203.758831] CPU: 3 PID: 3069 Comm: kworker/u8:38 Tainted: G     U  W      
4.13.0-rc4-CI-CI_DRM_2942+ #1
[  203.758831] Hardware name: Dell Inc. XPS 13 9350/      , BIOS 1.4.12
11/30/2016
[  203.758834] Workqueue: events_unbound async_run_entry_fn
[  203.758835] task: ffff88026ac32880 task.stack: ffffc9000092c000
[  203.758855] RIP: 0010:intel_atomic_commit_tail+0xed5/0xf00 [i915]
[  203.758856] RSP: 0000:ffffc9000092faa0 EFLAGS: 00010286
[  203.758857] RAX: 000000000000001c RBX: 0000000000000000 RCX:
0000000000000000
[  203.758858] RDX: 0000000080000001 RSI: 0000000000000001 RDI:
ffffffff810ef316
[  203.758859] RBP: ffffc9000092fb48 R08: 0000000000000001 R09:
0000000000000000
[  203.758859] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88026c250000
[  203.758860] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000001
[  203.758861] FS:  0000000000000000(0000) GS:ffff88027dd80000(0000)
knlGS:0000000000000000
[  203.758861] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  203.758862] CR2: 0000000000000000 CR3: 0000000003e0f000 CR4:
00000000003406e0
[  203.758863] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[  203.758863] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[  203.758864] Call Trace:
[  203.758868]  ? wait_woken+0x90/0x90
[  203.758887]  intel_atomic_commit+0x22a/0x2d0 [i915]
[  203.758890]  drm_atomic_commit+0x4b/0x50
[  203.758891]  drm_atomic_helper_commit_duplicated_state+0xe4/0x110
[  203.758911]  __intel_display_resume+0x86/0xd0 [i915]
[  203.758929]  intel_display_resume+0xbf/0xf0 [i915]
[  203.758943]  i915_pm_restore+0xf4/0x190 [i915]
[  203.758956]  i915_pm_resume+0xe/0x10 [i915]
[  203.758958]  pci_pm_resume+0x64/0xa0
[  203.758960]  dpm_run_callback+0x6f/0x310
[  203.758961]  ? pci_pm_freeze+0xf0/0xf0
[  203.758962]  device_resume+0xb1/0x1e0
[  203.758964]  ? dpm_watchdog_set+0x70/0x70
[  203.758966]  async_resume+0x1d/0x50
[  203.758967]  async_run_entry_fn+0x38/0x160
[  203.758969]  process_one_work+0x224/0x650
[  203.758971]  worker_thread+0x4e/0x3b0
[  203.758973]  kthread+0x114/0x150
[  203.758974]  ? process_one_work+0x650/0x650
[  203.758975]  ? kthread_create_on_node+0x40/0x40
[  203.758977]  ret_from_fork+0x27/0x40
[  203.758979] Code: ff ff ff 48 83 c7 08 e8 1a 42 fb e0 4c 8b 85 78 ff ff ff
4d 85 c0 0f 85 d3 fd ff ff 8d 73 41 48 c7 c7 b0 a5 1c a0 e8 cc 87 fd e0 <0f> ff
e9 bd fd ff ff 8d 70 41 48 c7 c7 80 a5 1c a0 e8 b6 87 fd 
[  203.759006] ---[ end trace b2cd5421efccda7b ]---
[  203.762050] hpet1: lost 21 rtc interrupts

The last line sounds quite interesting.

Full logs:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2942/fi-skl-6600u/igt@gem_exec_suspend@basic-s3.html

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