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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 --- - [BDW Regression]igt some pm_pc8 subcases fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75789">75789</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>[BDW Regression]igt some pm_pc8 subcases fail
</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>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</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=95144" name="attach_95144" title="dmesg">attachment 95144</a> <a href="attachment.cgi?id=95144&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Platform: Broadwell
kernel: drm-intel-nightly/0dfe3ce67bbd11c5b5e53250b0552ac2f36ac668
Bug detailed description:
---------------------------
Some pm_pc8 subcases fail on Broadwell with -nightly kernel.
The latest known good commit: 42aa254c65fa47fbea38a268814f815166adc056
The latest known bad commit: 072d358bf03d0c39dc83bce0b93801d030d2324f
run ./pm_pc8 --run-subtest debugfs-read
output:
IGT-Version: 1.5-g072d358 (x86_64) (Linux:
3.14.0-rc4_drm-intel-nightly_0dfe3c_20140303+ x86_64)
Runtime PM support: 0
PC8 residency support: 1
Test assertion failure function debugfs_read_subtest, file pm_pc8.c:981:
Last errno: 5, Input/output error
Failed assertion: wait_for_suspended()
Subtest debugfs-read: FAIL
Reproduce steps:
----------------------------
1. ./pm_pc8 --run-subtest debugfs-read</pre>
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