See if removing gstreamer0.10-pusleaudio resolves
If you have a 5.1 sound system it will cost you 5.1 output - (vs. 6 ch. output which will remain), so not a solution
See if removing gstreamer0. 10-pusleaudio resolves
If you have a 5.1 sound system it will cost you 5.1 output - (vs. 6 ch. output which will remain), so not a solution