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Bug 715068 - Amarok crash while changing sound devices (because of gstreamer)
Amarok crash while changing sound devices (because of gstreamer)
Status: RESOLVED OBSOLETE
Product: GStreamer
Classification: Platform
Component: dont know
0.10.36
Other Linux
: Normal normal
: git master
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2013-11-23 16:15 UTC by fire
Modified: 2013-11-25 08:34 UTC
See Also:
GNOME target: ---
GNOME version: ---


Description fire 2013-11-23 16:15:06 UTC 
I have two soundcards (internal Intel and SB Extigy connected via USB). When I woke up my laptop after a suspend to disk, amarok crashed. I think that the devices are not directly available again after resuming and thus the alsa/phonon/gstreamer configuration changes, possibly several times.

I was told by the KDE people, that this is probably a gstreamer bug:

https://bugs.kde.org/show_bug.cgi?id=327246

A backtrace can also be found attached to the KDE bug report.
Comment 1 Nicolas Dufresne (ndufresne) 2013-11-23 16:53:14 UTC 
The back trace from that report seems to lead to a crash in asound library. I've got few question:

1. Why using Alsa directly rather then PulseAudio, Pulse helps a lot at doing plug-and-play.
2. Do you also see this crash on latest GStreamer 1.2.x ?
Comment 2 fire 2013-11-23 22:09:47 UTC 
1. I've tried using pulseaudio some time ago, but the main problem is, that I've connected another sound device to the SB extigy using the line-in port. Using the pulseaudio mixer to control the (master) volume does not change the volume for the line-in port, whereas changing the volume of the master channel using alsa directly does really work as a master channel for the overall output. Perhaps pulseaudio may be configured to also support this application, but do not know how to do it.
2. According to Myriam Schweingruber (who answered my original bug report) phonon does not support GStreamer 1.X for now. Therefore, I could not test that setup for now.
Comment 3 Sebastian Dröge (slomo) 2013-11-25 08:34:09 UTC 
Please reopen if you can reproduce it with GStreamer 1.x, 0.10 is no longer supported since almost 2 years.