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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT][SKL] pipe A vblank wait timed out"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102138">102138</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BAT][SKL] pipe A vblank wait timed out
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>martin.peres@free.fr
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>When running on CI_DRM_2942, the machine fi-skl-6600u got the following WARNING
when executing igt@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:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2942/fi-skl-6600u/igt@gem_exec_suspend@basic-s3.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_2942/fi-skl-6600u/igt@gem_exec_suspend@basic-s3.html</a></pre>
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