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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT][KBL] igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c Pipe A vblank wait timed out in CI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100445">100445</a>
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</tr>
<tr>
<th>Summary</th>
<td>[BAT][KBL] igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c Pipe A vblank wait timed out in CI
</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>
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<th>Severity</th>
<td>critical
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
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<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>For some reason, pipe A's vblank wait timed out when running
igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c, leaving the test result as
incomplete on fi-kbl-7560u.
Relevant extract of the trace:
[ 555.314828] WARNING: CPU: 3 PID: 8466 at
drivers/gpu/drm/i915/intel_display.c:12639
intel_atomic_commit_tail+0xff8/0x1020 [i915]
[ 555.314830] pipe A vblank wait timed out
[ 555.314831] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic asix usbnet mii x86_pkg_temp_thermal i915
intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm mei_me mei
prime_numbers i2c_hid pinctrl_sunrisepoint pinctrl_intel
[ 555.314864] CPU: 3 PID: 8466 Comm: kworker/u8:45 Tainted: G U
4.11.0-rc4-CI-CI_DRM_2428+ #1
[ 555.314865] Hardware name: Dell Inc. XPS 13 9360/093TW6, BIOS 1.3.2
01/18/2017
[ 555.314869] Workqueue: events_unbound async_run_entry_fn
[ 555.314871] Call Trace:
[ 555.314874] dump_stack+0x67/0x92
[ 555.314877] __warn+0xc6/0xe0
[ 555.314880] warn_slowpath_fmt+0x4a/0x50
[ 555.314883] ? finish_wait+0x5e/0x80
[ 555.314900] intel_atomic_commit_tail+0xff8/0x1020 [i915]
[ 555.314904] ? wake_atomic_t_function+0x30/0x30
[ 555.314921] intel_atomic_commit+0x42a/0x530 [i915]
[ 555.314934] ? intel_runtime_pm_put+0x51/0xb0 [i915]
[ 555.314937] drm_atomic_commit+0x46/0x50
[ 555.314940] drm_atomic_helper_commit_duplicated_state+0xbf/0xd0
[ 555.314956] __intel_display_resume+0x7f/0xd0 [i915]
[ 555.314971] intel_display_resume+0xdd/0x110 [i915]
[ 555.314985] i915_pm_restore+0xef/0x190 [i915]
[ 555.314995] i915_pm_resume+0x9/0x10 [i915]
[ 555.315022] pci_pm_resume+0x5f/0x90
[ 555.315031] dpm_run_callback+0x6f/0x330
[ 555.315033] ? pci_pm_thaw+0x90/0x90
[ 555.315035] device_resume+0xac/0x1e0
[ 555.315038] ? dpm_watchdog_set+0x60/0x60
[ 555.315041] async_resume+0x18/0x40
[ 555.315043] async_run_entry_fn+0x34/0x160
[ 555.315046] process_one_work+0x1f4/0x6d0
[ 555.315048] ? process_one_work+0x16e/0x6d0
[ 555.315051] worker_thread+0x49/0x4a0
[ 555.315055] kthread+0x107/0x140
[ 555.315056] ? process_one_work+0x6d0/0x6d0
[ 555.315058] ? kthread_create_on_node+0x40/0x40
[ 555.315061] ret_from_fork+0x2e/0x40
[ 555.315066] ---[ end trace b6dda3db7d070407 ]---
Full results:
<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2428/fi-kbl-7560u/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c.html">https://intel-gfx-ci.01.org/CI/CI_DRM_2428/fi-kbl-7560u/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c.html</a></pre>
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</p>
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