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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW]igt/pm_rc6_residency/rc6-accuracy sporadically fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85902">85902</a>
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<th>Summary</th>
<td>[BSW]igt/pm_rc6_residency/rc6-accuracy sporadically fails
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=108936" name="attach_108936" title="dmesg">attachment 108936</a> <a href="attachment.cgi?id=108936&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure
Non-working platforms: BSW
==kernel==
--------------------------
drm-intel-nightly/f56717bdf29eb7d6a9ec15f095ea2a6858895473
==Bug detailed description==
--------------------------
It sporadically fails on BSW with -nightly kernel, fail rate:1/8.
output:
IGT-Version: 1.8-ge622850 (x86_64) (Linux:
3.18.0-rc3_drm-intel-nightly_f56717_20141105+ x86_64)
The residency counter: 1.000333
Test assertion failure function residency_accuracy, file
pm_rc6_residency.c:129:
Failed assertion: (flag_counter != 0) && (counter_result <=1)
Sysfs RC6 residency counter is inaccurate.
Subtest rc6-accuracy: FAIL (0.000s)
==Reproduce steps==
----------------------------
1. ./pm_rc6_residency --run-subtest rc6-accuracy</pre>
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