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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [KBL] Error DC state mismatch when suspending to disk"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95149">95149</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[KBL] Error DC state mismatch when suspending to disk
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>christophe.prigent@intel.com
</td>
</tr>
<tr>
<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>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=123276" name="attach_123276" title="kern.log">attachment 123276</a> <a href="attachment.cgi?id=123276&action=edit" title="kern.log">[details]</a></span>
kern.log
Hardware
Platform: KABY LAKE-U
CPU : Intel(R) Core(TM) @ 2.60GHz
MCP : KBL-U G0 2+2 (ou ULT-G0)
QDF : QYQ8
Chipset PCH: SPT-LP C1
CRB : KABY LAKE U DDR3L RVP7 CRB FAB1
Software
BIOS : KBLSE2R1.R00.X015.B01.1511271314
ME FW : 11.5.0.1008
Ksc (EC FW): 1.20
Linux distribution: Ubuntu 15.10 64 bits
Kernel: drm-intel-nightly 4.6.0-rc4 from <a href="http://cgit.freedesktop.org/drm-intel/">http://cgit.freedesktop.org/drm-intel/</a>
with applied: <a href="https://patchwork.freedesktop.org/series/6022/">https://patchwork.freedesktop.org/series/6022/</a>
libdrm 2.4.67-25 cc9a53f from git://git.freedesktop.org/git/mesa/drm
mesa 11.1.2 7bcd827 from git://git.freedesktop.org/git/mesa/mesa
cairo 1.15.2 db8a7f1 from git://git.freedesktop.org/git/cairo
xorg/xserver 1.18.0-274 8437955 from git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel 2.99.917-634 81029be from
git://git.freedesktop.org/git/xorg/driver/xf86-video-intel
vaapi/libva 1.7.0-1 2339d10 from git://git.freedesktop.org/git/vaapi/libva
vaapi/intel-driver 1.7.0-8 2c1bec0 from
git://git.freedesktop.org/git/vaapi/intel-driver
DMC 1.23 from <a href="https://01.org/linuxgraphics/downloads/skylake-dmc-1.26">https://01.org/linuxgraphics/downloads/skylake-dmc-1.26</a>
Steps:
------
1. Suspend to disk and resume:
sudo -s
echo disk > /sys/power/state
Wait 60 seconds
Resume with keyboard
2. Check logs
Actual result:
--------------
2. Log contains:
[ 93.657098] [drm:gen9_set_dc_state [i915]] *ERROR* DC state mismatch (0x0 ->
0x2)
Expected result:
----------------
2. No such error</pre>
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