Comment 16 for bug 362423

seems to be related to pulseaudio. the following is enough to get sound working again:

pulseaudio --kill
pulseaudio --start

I have following message in .xsession-errors, i believe it's output from exaile:

ERROR : <gst.Message GstMessageError, gerror=(GstGError)NULL, debug=(string)"pulsesink.c\(833\):\ gst_pulseringbuffer_acquire\ \(\):\ /GstPlayBin:player/GstBin:abin/GstBin:bin1/GstBin:bin2/GstAutoAudioSink:autoaudiosink0/GstPulseSink:autoaudiosink0-actual-sink-pulse"; from autoaudiosink0-actual-sink-pulse at 0x9cc2748> ['__class__', '__cmp__', '__delattr__', '__dict__', '__doc__', '__format__', '__getattribute__', '__grefcount__', '__gstminiobject_init__', '__gtype__', '__hash__', '__init__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'copy', 'flags', 'parse_async_start', 'parse_buffering', 'parse_buffering_stats', 'parse_clock_lost', 'parse_clock_provide', 'parse_duration', 'parse_error', 'parse_info', 'parse_new_clock', 'parse_request_state', 'parse_segment_done', 'parse_segment_start', 'parse_state_changed', 'parse_step_done', 'parse_step_start', 'parse_stream_status', 'parse_structure_change', 'parse_tag', 'parse_tag_full', 'parse_warning', 'set_buffering_stats', 'set_seqnum', 'src', 'structure', 'timestamp', 'type']