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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Screen freeze during use of chrome/chromium with acceleration and i915/Haswell"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76574">76574</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>Screen freeze during use of chrome/chromium with acceleration and i915/Haswell
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>sibrus@gmail.com
</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=96324" name="attach_96324" title="Output of dmesg immediately following this error">attachment 96324</a> <a href="attachment.cgi?id=96324&action=edit" title="Output of dmesg immediately following this error">[details]</a></span>
Output of dmesg immediately following this error
My hardware is an Acer C720 (Intel graphics). The symptoms of the problem is
the display completely stops updating, except the mouse cursor continues to
move. Clicking and any keypresses have no effect. The system remains in this
state for about 15-60 seconds, then it recovers and goes back to normal.
The problem most commonly happens when using chrome or chromium to do any kind
of intesive hardware-accelerated rendering. (Hardware accelerated rendering is
enabled in chrome/chromium.) Typically a youtube video or and HTML5 game with
lots of animations. The problem tends to happen during periods of high CPU
usage.
xorg version is 7.7+1ubuntu8
OS is ubuntu 14.04 (amd64)</pre>
</div>
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