.
Thread 2 (Thread 4012):
#0  0x00007f66403621b3 in poll () from /lib/libc.so.6
#1  0x00007f6638519d3f in ?? () from /usr/lib/libpulse.so.0
#2  0x00007f663850a0d9 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
#3  0x00007f663850b9b9 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#4  0x00007f663850ba70 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#5  0x00007f6638519c5b in ?? () from /usr/lib/libpulse.so.0
#6  0x00007f66382dae60 in ?? () from /usr/lib/libpulsecommon-0.9.16.so
#7  0x00007f6640604a04 in start_thread () from /lib/libpthread.so.0
#8  0x00007f664036e5fd in clone () from /lib/libc.so.6
#9  0x0000000000000000 in ?? ()
.
Thread 1 (Thread 3955):
#0  0x00007f6640f608b4 in g_type_check_instance_cast ()
   from /usr/lib/libgobject-2.0.so.0
#1  0x0000000000405bc2 in ?? ()
#2  0x0000000000406a61 in ?? ()
#3  0x00007f6640ca81eb in ?? () from /usr/lib/libglib-2.0.so.0
#4  0x00007f6640ca7ade in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#5  0x00007f6640cab4a8 in ?? () from /usr/lib/libglib-2.0.so.0
#6  0x00007f6640cab905 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#7  0x00007f6641c43796 in bonobo_main () from /usr/lib/libbonobo-2.so.0
#8  0x00007f6641c41b51 in bonobo_generic_factory_main_timeout ()
   from /usr/lib/libbonobo-2.so.0
#9  0x00007f6644be5191 in panel_applet_factory_main_closure ()
   from /usr/lib/libpanel-applet-2.so.0
#10 0x0000000000404abd in ?? ()
#11 0x00007f66402adacd in __libc_start_main () from /lib/libc.so.6
#12 0x0000000000404319 in ?? ()
#13 0x00007fff260875f8 in ?? ()
#14 0x000000000000001c in ?? ()
#15 0x0000000000000003 in ?? ()
#16 0x00007fff26087ba2 in ?? ()
#17 0x0000000000000000 in ?? ()