I had a similar problem with amarok being open and trying to stream with firefox and the totem plugin. Changing to pulseaudio backend for xine fixed it. See https://bugs.launchpad.net/ubuntu/+source/totem/+bug/243229/comments/8
I had a similar problem with amarok being open and trying to stream with firefox and the totem plugin. Changing to pulseaudio backend for xine fixed it. See https:/ /bugs.launchpad .net/ubuntu/ +source/ totem/+ bug/243229/ comments/ 8