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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL-Y] Black screen when resuming from S4"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93018">93018</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SKL-Y] Black screen when resuming from S4
</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=119942" name="attach_119942" title="4.4-rc1-nightly_screen-off-when-resuming-from-S4_kern.log">attachment 119942</a> <a href="attachment.cgi?id=119942&action=edit" title="4.4-rc1-nightly_screen-off-when-resuming-from-S4_kern.log">[details]</a></span>
4.4-rc1-nightly_screen-off-when-resuming-from-S4_kern.log
Hardware
Platform: SKY LAKE Y A0 QUAL
CPU : Intel(R) Core(TM) M5-6Y54 @ 1.10GHz 4MB (family: 6, model: 78 stepping:
3)
MCP : SKL-Y D0
QDF : QJ9W
CPU : SKL D0
Chipset PCH: Sunrise Point LP C0
CRB : SKY LAKE Y LPDDR3 RVP3 CRB FAB2
Reworks : All Mandatories + FBS02 & FBS03, O-06
Software
Linux : Ubuntu 14.04 64 bits
BIOS : SKLSE2R1.R00.B104.B01.1511110114
ME FW : 11.0.0.1191
Ksc (EC FW): 1.20
Kernel 4.4.0-rc1 nighlty 2e0db75 from git://anongit.freedesktop.org/drm-intel
commit 2e0db751f53791a654eaeb829efd2b4125249dfc
Author: Imre Deak <<a href="mailto:imre.deak@intel.com">imre.deak@intel.com</a>>
Date: Wed Nov 18 21:49:07 2015 +0200
drm-intel-nightly: 2015y-11m-18d-19h-48m-48s UTC integration manifest
Mesa 11.0.5 from <a href="http://cgit.freedesktop.org/mesa/mesa/">http://cgit.freedesktop.org/mesa/mesa/</a>
xf86-video-intel - 2.99.917 from
<a href="http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/">http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/</a>
Libdrm - 2.4.65 from <a href="http://cgit.freedesktop.org/mesa/drm/">http://cgit.freedesktop.org/mesa/drm/</a>
Libva - 1.6.1 from <a href="http://cgit.freedesktop.org/libva/">http://cgit.freedesktop.org/libva/</a>
vaapi intel-driver - 1.6.1 from <a href="http://cgit.freedesktop.org/vaapi/intel-driver">http://cgit.freedesktop.org/vaapi/intel-driver</a>
Cairo - 1.14.2 from <a href="http://cgit.freedesktop.org/cairo">http://cgit.freedesktop.org/cairo</a>
Xorg Xserver - 1.17.2 from <a href="http://cgit.freedesktop.org/xorg/xserver">http://cgit.freedesktop.org/xorg/xserver</a>
Steps:
------
1. Boot with kernel boot command line: i915.disable_power_well=1
2. Execute commands:
sudo -s
echo disk > /sys/power/state
3. Wait 60 seconds
4. Resume with keyboard
Actual result:
---------------
4. DUT resumes (DUT is responding via ssh) but screen stays off
Expected result:
----------------
4. DUT resumes with screen on</pre>
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