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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [i915] Hangcheck timer elapsed... GPU hung on multiscreen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=65232">65232</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[i915] Hangcheck timer elapsed... GPU hung on multiscreen
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>st@metafly.info
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=80116" name="attach_80116" title="/sys/kernel/debug/dri/0/i915_error_state">attachment 80116</a> <a href="attachment.cgi?id=80116&action=edit" title="/sys/kernel/debug/dri/0/i915_error_state">[details]</a></span>
/sys/kernel/debug/dri/0/i915_error_state
The GPU locks up when using OpenGL or chromiums accelerated rendering with at
least two screens.
The issue exists in linux 3.9.0 but not in linux 3.7.10.
uname:
Linux X230 3.9.0 #46 SMP Sun May 26 02:45:17 CEST 2013 x86_64 Intel(R) Core(TM)
i7-3520M CPU @ 2.90GHz GenuineIntel GNU/Linux
dmesg says:
[ 2014.354516] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU
hung
[ 2014.354523] [drm] capturing error event; look for more information
in/sys/kernel/debug/dri/0/i915_error_state
[ 2014.357179] [drm:kick_ring] *ERROR* Kicking stuck wait on render ring
[ 2022.356682] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU
hung
[ 2022.356694] [drm:kick_ring] *ERROR* Kicking stuck wait on render ring
[ 2034.364670] Watchdog[4092]: segfault at 0 ip 00007f6de20a4b6e sp
00007f6dd1e0d3b0 error 6 in chrome[7f6de10de000+4a14000]
[ 2044.411042] Watchdog[17927]: segfault at 0 ip 00007f5a48acbb6e sp
00007f5a388343b0 error 6 in chrome[7f5a47b05000+4a14000]</pre>
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