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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 --- - AtomBIOS stuck after suspend/resume cycle whilst GPU turned off"
href="https://bugs.freedesktop.org/show_bug.cgi?id=65068">65068</a>
</td>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
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<th>Summary</th>
<td>AtomBIOS stuck after suspend/resume cycle whilst GPU turned off
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
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<th>Reporter</th>
<td>austin.lund@gmail.com
</td>
</tr>
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<th>Hardware</th>
<td>Other
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Version</th>
<td>XOrg CVS
</td>
</tr>
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<th>Component</th>
<td>DRM/Radeon
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=79884" name="attach_79884" title="dmesg output when trying to switch back to radeon gpu.">attachment 79884</a> <a href="attachment.cgi?id=79884&action=edit" title="dmesg output when trying to switch back to radeon gpu.">[details]</a></span>
dmesg output when trying to switch back to radeon gpu.
I have two GPUs in my system:
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Whistler [Radeon HD 6600M/6700M/7600M Series]
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
This is a macbookpro8,2 and hence the gmuxer is controlled by the apple-gmux
driver.
If I suspend the system to ram whilst on the integrated gpu (i.e. the intel
gpu), then after resume switch back to the radeon, I get a GPU hang.
I've attached the dmesg output that I get when I try this.
I'm using linux 3.10-rc3. I don't have X running when doing this
(vgaswitcheroo won't allow this).</pre>
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