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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 - [DP][SKL] 4k Monitor is not capable of boot up UI through MST dongle"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101320">101320</a>
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<th>Summary</th>
<td>[DP][SKL] 4k Monitor is not capable of boot up UI through MST dongle
</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>x86-64 (AMD64)
</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>
<tr>
<th>Severity</th>
<td>critical
</td>
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<th>Priority</th>
<td>medium
</td>
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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>
<tr>
<th>Reporter</th>
<td>elio.martinez.monroy@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=131739" name="attach_131739" title="1st log">attachment 131739</a> <a href="attachment.cgi?id=131739&action=edit" title="1st log">[details]</a></span>
1st log
No user interface is present using a 4K monitor connected to a MST dongle,
disabling UI TTY is present.
Configuration:
======================================
Hardware
======================================
platform : SKL Canyon
motherboard id : NUC6i7KYB
form factor : Desktop
cpu family : Core i7
cpu family id : 6
cpu information : Intel(R) Core(TM) i7-6770HQ CPU @ 2.60GHz
gpu card : Intel Corporation Iris Pro Graphics 580 (rev 09)
(prog-if 00 [VGA controller])
memory ram : 31.31 GB
max memory ram : 32 GB
cpu thread : 8
cpu core : 4
cpu model : 94
cpu stepping : 3
socket : Other
signature : Type 0, Family 6, Model 94, Stepping 3
hard drive : 223GiB (240GB)
current cd clock frequency : 450000 kHz
maximum cd clock frequency : 675000 kHz
displays connected : DP-5
======================================
Graphic drivers
======================================
modesetting : modesetting_drv.so
xorg-xserver : 1.19.3
libdrm : 2.4.81
Aborted (core dumped)
cairo : 1.14.8
xserver : X.Org X Server 1.19.99.1
intel-gpu-tools (tag) : intel-gpu-tools-1.18-211-g00ce341b
intel-gpu-tools (commit) : 00ce341b
Steps to reproduce:
Connnect you DP output to a MST dongle
Connect your Dongle to your 4k monitor
Boot up
Expected result:
Normal User Interface should be up and running
Actual result:
No UI available, monitor is not on sleep, it is jus showing black screen, no
cursor.</pre>
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