Tremaine Lea's solution didn't quite work for me - killall pulseaudio, sudo killall pulseaudio and sudo kill <pid> didin't work.
Sudo kill -9 <pid> did work, as did restarting pulseaudio return sound to amarok.
Annoying bug none the less, since it's obviously been around for a while.
running Ibex 32 Linux boxen 2.6.27-7-generic #1 SMP Tue Nov 4 19:33:20 UTC 2008 i686 GNU/Linux
Tremaine Lea's solution didn't quite work for me - killall pulseaudio, sudo killall pulseaudio and sudo kill <pid> didin't work.
Sudo kill -9 <pid> did work, as did restarting pulseaudio return sound to amarok.
Annoying bug none the less, since it's obviously been around for a while.
running Ibex 32
Linux boxen 2.6.27-7-generic #1 SMP Tue Nov 4 19:33:20 UTC 2008 i686 GNU/Linux