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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] System needs long delay to boot with MST hub connected and then no multi stream"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94213">94213</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[KBL] System needs long delay to boot with MST hub connected and then no multi stream
</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=121843" name="attach_121843" title="kern.log">attachment 121843</a> <a href="attachment.cgi?id=121843&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
QDF : QYQ8
Chipset PCH: SPT-LP C1
CRB : KABY LAKE U DDR3L RVP7 CRB FAB1
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 4.5.0-rc4_e459990 from
<a href="http://cgit.freedesktop.org/drm-intel/">http://cgit.freedesktop.org/drm-intel/</a>
commit e4599905334de9349501a383afb8503a1dde5728
Author: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
Date: Thu Feb 18 19:13:56 2016 +0200
drm-intel-nightly: 2016y-02m-18d-17h-13m-22s UTC integration manifest
drm: tag libdrm-2.4.66 9b77443 from <a href="http://cgit.freedesktop.org/mesa/drm/">http://cgit.freedesktop.org/mesa/drm/</a>
mesa: edf774b from <a href="http://cgit.freedesktop.org/mesa/mesa/">http://cgit.freedesktop.org/mesa/mesa/</a>
cairo: tag 1.15.2 db8a7f1 from <a href="http://cgit.freedesktop.org/cairo">http://cgit.freedesktop.org/cairo</a>
waffle: master bb29b2a from <a href="https://github.com/waffle-gl/waffle">https://github.com/waffle-gl/waffle</a>
xorg-server-macros: master d7acec2 from
git://git.freedesktop.org/git/xorg/util/macros
libva: tag libva-1.6.1 1f026de from <a href="http://cgit.freedesktop.org/libva/">http://cgit.freedesktop.org/libva/</a>
vaapi-intel-driver: e41040f from <a href="http://cgit.freedesktop.org/vaapi/intel-driver">http://cgit.freedesktop.org/vaapi/intel-driver</a>
Firmware
DMC 1.26 from <a href="https://01.org/linuxgraphics/downloads/skylake-dmc-1.26">https://01.org/linuxgraphics/downloads/skylake-dmc-1.26</a>
MST Hub: MSTDP124DP
Steps:
------
1. Connect hub to DUT and 2 monitors to the hub (all is Display Port)
2. Boot
3. Wait
Actual result:
-------------
3. DUT needs several minutes to boot. External screens do not display anything.
Expected result:
----------------
3. DUT boots normally and display works on external screen
Info:
-----
DUT boots normally without the hub connected
It is reproduced with only one screen connected to the hub</pre>
</div>
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