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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT] [SKL Gt4e] gem_exec_suspend@basic-s3 dmesg warning"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97829">97829</a>
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<th>Summary</th>
<td>[BAT] [SKL Gt4e] gem_exec_suspend@basic-s3 dmesg warning
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>DRI git
</td>
</tr>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>major
</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>
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<th>Reporter</th>
<td>jani.saarinen@intel.com
</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>
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<pre>On fi-skl-6770hq (newly added) gem_exec_suspend@basic-s3 gets dmesg warning.
E.g. for the last incomplete run CI_DRM_1640 (15-Sep-2016) dmesg has following
...
dmesg
[ 380.357615] Suspending console(s) (use no_console_suspend to debug)
[ 380.362507] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[ 380.365508] sd 0:0:0:0: [sda] Stopping disk
[ 380.549425] Broke affinity for irq 123
[ 380.564050] Broke affinity for irq 123
[ 380.583338] Broke affinity for irq 121
[ 380.583341] Broke affinity for irq 123
[ 380.602692] Broke affinity for irq 8
[ 380.602706] Broke affinity for irq 9
[ 380.602718] Broke affinity for irq 120
[ 380.602722] Broke affinity for irq 121
[ 380.602725] Broke affinity for irq 123
[ 380.617164] cache: parent cpu1 should not be sleeping
[ 380.622504] cache: parent cpu2 should not be sleeping
[ 380.627852] cache: parent cpu3 should not be sleeping
[ 380.633436] cache: parent cpu4 should not be sleeping
[ 380.639013] cache: parent cpu5 should not be sleeping
[ 380.644518] cache: parent cpu6 should not be sleeping
[ 380.650026] cache: parent cpu7 should not be sleeping
[ 380.970873] sd 0:0:0:0: [sda] Starting disk
[ 381.275808] ata1.00: supports DRM functions and may not be fully accessible
[ 381.283883] ata1.00: supports DRM functions and may not be fully accessible
[ 382.630079] [drm:intel_dp_link_training_clock_recovery] *ERROR* failed to
enable link training
[ 382.906189] [drm:intel_dp_link_training_channel_equalization] *ERROR* failed
to start channel equalization</pre>
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