I have had a very similar problem on my system. I have found out that skype, which was in the "Session Preferences" -> "Startup Programs", must have started before the pulseaudio session. And thus blocked it...
Chainging skype to use the pulseaudio driver resolved that problem.
I have had a very similar problem on my system. I have found out that skype, which was in the "Session Preferences" -> "Startup Programs", must have started before the pulseaudio session. And thus blocked it...
Chainging skype to use the pulseaudio driver resolved that problem.