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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CNL] System hang when running piglit."
href="https://bugs.freedesktop.org/show_bug.cgi?id=105888">105888</a>
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<th>Summary</th>
<td>[CNL] System hang when running piglit.
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI git
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
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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
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<th>Component</th>
<td>DRM/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>Reporter</th>
<td>rafael.antognolli@intel.com
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=138599" name="attach_138599" title="dmesg output of the hang.">attachment 138599</a> <a href="attachment.cgi?id=138599&action=edit" title="dmesg output of the hang.">[details]</a></span>
dmesg output of the hang.
We are seeing system hangs on our CI. They seem to go away with some kernel
config flags:
CONFIG_DRM_I915_WERROR, CONFIG_DRM_I915_DEBUG_GEM and CONFIG_DRM_I915_TRACE_GEM
The last one seems to be the one that make the hang entirely go away.
I'm attaching a dmesg output with the error, with a kernel compiled with
CONFIG_DRM_I915_DEBUG_GEM at least.</pre>
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