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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW Regression]dmesg error "<3>[ 1.954836] [drm:gen8_irq_handler] *ERROR* The master control interrupt lied (SDE)!" after boot"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80896">80896</a>
</td>
</tr>
<tr>
<th>Keywords</th>
<td>bisect_pending
</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>[BDW Regression]dmesg error "<3>[ 1.954836] [drm:gen8_irq_handler] *ERROR* The master control interrupt lied (SDE)!" after boot
</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>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jinxianx.guo@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=102239" name="attach_102239" title="dmesg">attachment 102239</a> <a href="attachment.cgi?id=102239&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: Yes.
Good commit on -next-queued: b6fdd0f2b990006daba19eec676b632faa523fc8
Non-working platforms: BDW
==kernel==
--------------------------
origin/drm-intel-nightly: eb638c7fabe97a9df752aeb2f59a9463ce4aed8e(fails)
drm-intel-nightly: 2014y-07m-03d-14h-50m-16s integration manifest
origin/drm-intel-next-queued: 5e59f7175f96550ede91f58d267d2b551cb6fbba(fails)
drm/i915: Try harder to get FBC
origin/drm-intel-fixes: 5549d25f642a7e6cfb8744d0031a9da404f696d6(works)
drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin
==Bug detailed description==
dmesg error "<3>[ 1.954836] [drm:gen8_irq_handler] *ERROR* The master
control interrupt lied (SDE)!" after boot.
Output:
[root@x-bdw01 ~]# dmesg -r | egrep "<[1-3]>" |grep drm
<3>[ 1.955683] [drm:gen8_irq_handler] *ERROR* The master control interrupt lied
(SDE)!
<3>[ 1.955848] [drm:gen8_irq_handler] *ERROR* The master control interrupt lied
(SDE)!
<3>[ 3.683649] [drm:gen8_irq_handler] *ERROR* The master control interrupt lied
(SDE)!
<3>[ 3.686870] [drm:gen8_irq_handler] *ERROR* The master control interrupt lied
(SDE)!
==Reproduce steps==
----------------------------
1. boot
2. dmesg -r | egrep "<[1-3]>" |grep drm</pre>
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