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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 --- - [HSW desktop bisected]Resume from S3 with call trace"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64379">64379</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[HSW desktop bisected]Resume from S3 with call trace
</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>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>cancan.feng@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</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=79040" name="attach_79040" title="dmesg of calltrace caused by S3">attachment 79040</a> <a href="attachment.cgi?id=79040&action=edit" title="dmesg of calltrace caused by S3">[details]</a></span>
dmesg of calltrace caused by S3
System Environment:
--------------------------------------------
The Linux Kernel, the operating system core itself
Kernel: (drm-intel-next-queued)38f6e314f7e0eee4cd5e4495ae58ff3b5645ce62
Some additional commit info:
Author: Damien Lespiau <<a href="mailto:damien.lespiau@intel.com">damien.lespiau@intel.com</a>>
Date: Fri May 3 18:48:11 2013 +0100
drm/i915: Add references to some workaround we implement
Bug detailed description:
--------------------------------------------
Call trace will happen after resume from S3. The machine can suspend to S3
successfully, but resume from S3 with call trace. I attached the dmesg in the
attachment.
Bisect result:
--------------------------------------------
24576d23976746cb52e7700c4cadbf4bc1bc3472 is the first bad commit
commit 24576d23976746cb52e7700c4cadbf4bc1bc3472
Author: Jesse Barnes <<a href="mailto:jbarnes@virtuousgeek.org">jbarnes@virtuousgeek.org</a>>
Date: Tue Mar 26 09:25:45 2013 -0700
drm/i915: enable VT switchless resume v3
With the other bits in place, we can do this safely.
v2: disable backlight on suspend to prevent premature enablement on resume
v3: disable CRTCs on suspend to allow RTD3 (Kristen)
Signed-off-by: Jesse Barnes <<a href="mailto:jbarnes@virtuousgeek.org">jbarnes@virtuousgeek.org</a>>
Reviewed-by: Rodrigo Vivi <<a href="mailto:rodrigo.vivi@gmail.com">rodrigo.vivi@gmail.com</a>>
Signed-off-by: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
:040000 040000 72fb279ebc4c48824015f43eac459d046dde3204
6797fd617ffd75b6e2a457aaabf5e90f9a4021c0 M drivers</pre>
</div>
</p>
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