<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body><span class="vcard"><a class="email" href="mailto:elio.martinez.monroy@intel.com" title="Elio <elio.martinez.monroy@intel.com>"> <span class="fn">Elio</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW - [DP][SKL] Auido process is lost after hotplug event through MST dongle"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101314">bug 101314</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;">Summary</td>
<td>[DP][SKL] Auido process is lost after hotplug event
</td>
<td>[DP][SKL] Auido process is lost after hotplug event through MST dongle
</td>
</tr>
<tr>
<td style="text-align:right;">i915 platform</td>
<td>
</td>
<td>SKL
</td>
</tr>
<tr>
<td style="text-align:right;">i915 features</td>
<td>
</td>
<td>display/audio, display/DP, display/DP MST
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [DP][SKL] Auido process is lost after hotplug event through MST dongle"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101314#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [DP][SKL] Auido process is lost after hotplug event through MST dongle"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101314">bug 101314</a>
from <span class="vcard"><a class="email" href="mailto:elio.martinez.monroy@intel.com" title="Elio <elio.martinez.monroy@intel.com>"> <span class="fn">Elio</span></a>
</span></b>
<pre>Description:
Audio process is lost after performing a hotplug event on the MST dongle in DP.
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:
1. Connect a DP monitor, less than 4k audio capable to your MST dongle
2. Boot up and login with your credentials in to UI
3. Open a terminal and start playing an audio file $ aplay <file>
4. During playback unplug DP cable from MST hub
5. Plug back DP cable
Expected results:
The audio should pause during unplug/plug event without closing audio thread
Actual Result:
Audio process is lost , closing terminal.
Attaching dmesg</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
<li>You are the assignee for the bug.</li>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>