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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT] [HSW] gem_exec_suspend@basic-s3 hang occasionally"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97817">97817</a>
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<tr>
<th>Summary</th>
<td>[BAT] [HSW] gem_exec_suspend@basic-s3 hang occasionally
</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>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jari.tahvanainen@intel.com
</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>On fi-hsw-4770k gem_exec_suspend@basic-s3 does not complete.
E.g. for the last incomplete run CI_DRM_1635 (14-Sep-2016) dmesg tail has
...
[ 355.860011] gem_exec_suspend: executing
[ 355.860109] [drm:i915_gem_open]
[ 355.861772] [drm:i915_gem_open]
[ 355.862351] gem_exec_suspend: starting subtest basic
[ 355.958711] gem_exec_suspend: exiting, ret=0
[ 356.096236] gem_exec_suspend: executing
[ 356.096337] [drm:i915_gem_open]
[ 356.097855] [drm:i915_gem_open]
[ 356.098518] gem_exec_suspend: starting subtest basic-S3
while on the execution CI_DRM_1637 having Success the dmesg looks like
...
[ 332.936844] gem_exec_suspend: executing
[ 332.936940] [drm:i915_gem_open]
[ 332.938575] [drm:i915_gem_open]
[ 332.939160] gem_exec_suspend: starting subtest basic
[ 333.035632] gem_exec_suspend: exiting, ret=0
[ 333.170070] gem_exec_suspend: executing
[ 333.170166] [drm:i915_gem_open]
[ 333.171718] [drm:i915_gem_open]
[ 333.172307] gem_exec_suspend: starting subtest basic-S3
[ 333.686847] PM: Syncing filesystems ... done.
[ 333.687901] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 333.689489] Double checking all user space processes after OOM killer
disable... (elapsed 0.000 seconds)
[ 333.689547] Freezing remaining freezable tasks ... (elapsed 0.001 seconds)
done.
[ 333.690692] Suspending console(s) (use no_console_suspend to debug)
[ 333.692391] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[ 333.692985] sd 0:0:0:0: [sda] Stopping disk
[ 333.697233] serial 00:05: disabled
[ 333.699109] [drm:connected_sink_compute_bpp] [CONNECTOR:44:HDMI-A-2]
checking for sink bpp constrains
...</pre>
</div>
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