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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 --- - [un]docking Lenovo W530 results in interrupt storm"
href="https://bugs.freedesktop.org/show_bug.cgi?id=74002">74002</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[un]docking Lenovo W530 results in interrupt storm
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>xorg-team@lists.x.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>jcollins@asgardsrealm.net
</td>
</tr>
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<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>Driver/nouveau
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=92699" name="attach_92699" title="vbios">attachment 92699</a> <a href="attachment.cgi?id=92699&action=edit" title="vbios">[details]</a></span>
vbios
Running a 3.13 kernel, built from upstream git repository (commit
d8ec26d7f8287f5788a494f56e8814210f0e64be).
I'm able to consistently generate an ongoing interrupt storm by [un]docking my
Lenovo W530 when using the nouveau driver. This problem was first noticed
under a 3.10 kernel and associated nouveau driver. I then switched to the
above 3.13 kernel for the MSI interrupt support and to see if the problem
persisted.
The attached nouveau.interrupts is the output of read_interrupts, the source
for which is here: <a href="http://www.darnok.org/xen/read_interrupts.c">http://www.darnok.org/xen/read_interrupts.c</a>. This file
shows the interrupts generated during 5 second intervals.</pre>
</div>
</p>
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