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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 --- - [IVB/HSW Regression]igt/gen7_forcewake_mt fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=77849">77849</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>[IVB/HSW Regression]igt/gen7_forcewake_mt fails
</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=97848" name="attach_97848" title="dmesg">attachment 97848</a> <a href="attachment.cgi?id=97848&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: IVB HSW
kernel: (drm-intel-next-queued)c79057922ed6c2c6df1214e6ab4414fea1b23db2
Bug detailed description:
----------------------------
igt/gen7_forcewake_mt fails on IVB and HSW on
-nightly(1e771b84e47085ef9b6efea1321e7cb5a8b2c065) and
-next-queued(c79057922ed6c2c6df1214e6ab4414fea1b23db2). the result it pass on
latest -fixes(b6842feb63a23a6a988f4e1ffb93408d8ff6931e).
It's a regression issue:
good commit: c27dc20db6c0bcf4078b4da65d8d20f6f0b74229
bad commit: c79057922ed6c2c6df1214e6ab4414fea1b23db2
We will bisect it later.
output on -nightly kernel:
./gen7_forcewake_mt
IGT-Version: 1.6-g78e4c2b (x86_64) (Linux:
3.14.0_drm-intel-next-queued_c79057_20140423+ x86_64)
Test assertion failure function gem_execbuf, file ioctl_wrappers.c:396:
Last errno: 22, Invalid argument
Failed assertion: ret == 0
Reproduce steps:
----------------------------
1. ./gen7_forcewake_mt</pre>
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