<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span> changed
<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [BDW] pm_pc8: PC8 subtests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75789">bug 75789</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEEDINFO
</td>
<td>ASSIGNED
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [BDW] pm_pc8: PC8 subtests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75789#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [BDW] pm_pc8: PC8 subtests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75789">bug 75789</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=75789#c6">comment #6</a>)
<span class="quote">> Hi
>
> Please go to the BIOS, Intel Advanced Menu -> Power and Performance -> CPU
> Power Management Control -> Package C state Limit, then set it to "C10".
>
> Then test this tree:
> <a href="http://cgit.freedesktop.org/~pzanoni/linux/log/?h=bdw-pc8-fixes">http://cgit.freedesktop.org/~pzanoni/linux/log/?h=bdw-pc8-fixes</a> . Don't
> forget to switch to the bdw-pc8-fixes branch.
>
> Please also boot with drm.debug=0xe and send the dmesg output in case
> there's any problem.
>
> Thanks,
> Paulo</span >
It still fails.
output:
IGT-Version: 1.7-g7ef5372 (x86_64) (Linux: 3.16.0-rc2_kcloud_619f97_20140701+
x86_64)
Runtime PM support: 1
PC8 residency support: 1
Test assertion failure function pc8_residency_subtest, file pm_rpm.c:734:
Last errno: 2, No such file or directory
Failed assertion: pc8_plus_residency_changed(120)
Machine is not reaching PC8+ states, please check its configuration.
Subtest pc8-residency: FAIL</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>