On Thu, 2012-11-22 at 15:15 +0200, Stefan Stefanov wrote: > #2 0xb7b1f665 in sem_wait () from /usr/lib/libpthread-stubs.so.0 I think libpthread-stubs.so.0 isn't a very good implementation for sem_wait()... I don't have any straightforward advice for what to do, but maybe you'll find this thread useful: http://thread.gmane.org/gmane.comp.audio.pulseaudio.general/11000 -- Tanu