#0  0xb6bb4551 in audioCallback ()
   from /usr/lib/lastfm/services/libplayback_rtaudio.so
#1  0xb6bba7f8 in RtApiAlsa::tickStream ()
   from /usr/lib/lastfm/services/libplayback_rtaudio.so
#2  0xb6bb7ba8 in alsaCallbackHandler ()
   from /usr/lib/lastfm/services/libplayback_rtaudio.so
#3  0xb72d931b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb71453ee in clone () from /lib/tls/i686/cmov/libc.so.6