X2Go Bug report logs - #1092
Problem running audio applications in TCE mode

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Date: Fri, 23 Sep 2016 16:25:46 +0200 (CEST)
From: Walid MOGHRABI <w.moghrabi@servicemagic.eu>
To: submit@bugs.x2go.org
Message-ID: <641267190.2185513.1474640746402.JavaMail.root@servicemagic.eu>
In-Reply-To: <663056233.371892.1474292531967.JavaMail.root@servicemagic.eu>
Subject: Problem running audio applications in TCE mode
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Package: x2goclient
Version: 4.0.5.3
Severity: Critical

I managed to fix about every bits here and there but there is still one important part that I can't get to fix which is managing audio applications to work in TCE mode.

To be clear, what I call "TCE mode" is pxe booting an diskless station with x2gothinclient (per the doc setup with default settings, Debian wheezy based with heuler x2go client)

When I open a X2Go session with a local x2go client on my Ubuntu laptop (or even with x2goclient under windows), no problem, I have sound with PulseAudio fully working, I can play videos on youtube, hear MP3s with totem or any other audio application.
Running the same session with a TCE client works great until I want to hear a sound ... youtube videos are hanging with no sound, playing MP3s don't even start.

Here is a snippet from /var/log/syslog taken from the TCE when opening a new X2Go session :

----------------------------------------------------------------------------------------------
Sep 23 13:51:50 x2gothinclient rtkit-daemon[2629]: Successfully dropped privileges.
Sep 23 13:51:50 x2gothinclient rtkit-daemon[2629]: Successfully limited resources.
Sep 23 13:51:50 x2gothinclient rtkit-daemon[2629]: Running.
Sep 23 13:51:50 x2gothinclient rtkit-daemon[2629]: Watchdog thread running.
Sep 23 13:51:50 x2gothinclient rtkit-daemon[2629]: Canary thread running.
Sep 23 13:51:50 x2gothinclient rtkit-daemon[2629]: Successfully made thread 2627 of process 2627 (/usr/bin/pulseaudio) owned by '106' high priority at nice level -11.
Sep 23 13:51:50 x2gothinclient rtkit-daemon[2629]: Supervising 1 threads of 1 processes of 1 users.
Sep 23 13:51:50 x2gothinclient rtkit-daemon[2629]: Successfully made thread 2637 of process 2627 (/usr/bin/pulseaudio) owned by '106' RT at priority 5.
Sep 23 13:51:50 x2gothinclient rtkit-daemon[2629]: Supervising 2 threads of 1 processes of 1 users.
Sep 23 13:51:50 x2gothinclient rtkit-daemon[2629]: Successfully made thread 2638 of process 2627 (/usr/bin/pulseaudio) owned by '106' RT at priority 5.
Sep 23 13:51:50 x2gothinclient rtkit-daemon[2629]: Supervising 3 threads of 1 processes of 1 users.
Sep 23 13:52:14 x2gothinclient pulseaudio[2929]: [pulseaudio] pid.c: Daemon already running.
Sep 23 13:52:17 x2gothinclient pulseaudio[2627]: [pulseaudio] x11wrap.c: XOpenDisplay() failed
Sep 23 13:52:17 x2gothinclient pulseaudio[2627]: [pulseaudio] module.c: Failed to load module "module-x11-publish" (argument: "display=:50"): initialization failed.
Sep 23 13:52:33 x2gothinclient acpid: client 2575[0:0] has disconnected
----------------------------------------------------------------------------------------------


Best regards,

Walid Moghrabi
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