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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT][BSW] CI run hit a scheduler warning (rq->clock_update_flags < RQCF_ACT_SKIP)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100651">100651</a>
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<th>Summary</th>
<td>[BAT][BSW] CI run hit a scheduler warning (rq->clock_update_flags < RQCF_ACT_SKIP)
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI git
</td>
</tr>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>martin.peres@free.fr
</td>
</tr>
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<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>Here is the warning in question:
[ 568.160295] ------------[ cut here ]------------
[ 568.160327] WARNING: CPU: 1 PID: 0 at kernel/sched/sched.h:833
pick_next_task_rt+0x250/0x260
[ 568.160335] rq->clock_update_flags < RQCF_ACT_SKIP
[ 568.160343] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel r8169 mii lpc_ich i2c_hid i915 snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core snd_pcm prime_numbers i2c_designware_platform
i2c_designware_core
[ 568.160529] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G U W
4.11.0-rc6-CI-CI_DRM_2509+ #1
[ 568.160540] Hardware name: /NUC5CPYB, BIOS
PYBSWCEL.86A.0058.2016.1102.1842 11/02/2016
[ 568.160548] Call Trace:
[ 568.160571] dump_stack+0x67/0x92
[ 568.160591] __warn+0xc6/0xe0
[ 568.160611] warn_slowpath_fmt+0x46/0x50
[ 568.160637] pick_next_task_rt+0x250/0x260
[ 568.160658] __schedule+0x160/0xbc0
[ 568.160673] ? ktime_get+0x89/0x120
[ 568.160696] schedule+0x3b/0x90
[ 568.160712] schedule_preempt_disabled+0x13/0x20
[ 568.160726] do_idle+0x145/0x1f0
[ 568.160745] cpu_startup_entry+0x18/0x20
[ 568.160760] start_secondary+0x102/0x120
[ 568.160778] start_cpu+0x14/0x14
[ 568.160810] ---[ end trace eb40e71579767b8a ]---
Full logs:
<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2509/fi-bsw-n3050/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c.html">https://intel-gfx-ci.01.org/CI/CI_DRM_2509/fi-bsw-n3050/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c.html</a></pre>
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</p>
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