.
Thread 2 (process 8649):
#0  0x00007fda1c2564e8 in ?? () from /lib/libgcc_s.so.1
#1  0x00007fda1bff3bd0 in dl_iterate_phdr () from /lib/libc.so.6
#2  0x00007fda1c256e99 in _Unwind_Find_FDE () from /lib/libgcc_s.so.1
#3  0x00007fda1c2542c3 in ?? () from /lib/libgcc_s.so.1
#4  0x00007fda1c254dbb in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#5  0x00007fda1bfcdbe2 in backtrace () from /lib/libc.so.6
#6  0x00007fda1bf45fbc in ?? () from /lib/libc.so.6
#7  0x00007fda1bf4ecff in ?? () from /lib/libc.so.6
#8  0x00007fda1bf5024f in calloc () from /lib/libc.so.6
#9  0x00007fda21ab43fa in g_malloc0 () from /usr/lib/libglib-2.0.so.0
#10 0x00007fda21d5d062 in ?? () from /usr/lib/libgobject-2.0.so.0
#11 0x00007fda21d60d95 in g_type_register_static ()
   from /usr/lib/libgobject-2.0.so.0
#12 0x00007fda21d60e28 in g_type_register_static_simple ()
   from /usr/lib/libgobject-2.0.so.0
#13 0x00007fda214fd159 in gtk_accel_group_get_type ()
   from /usr/lib/libgtk-x11-2.0.so.0
#14 0x00007fda214fe049 in gtk_accel_group_new ()
   from /usr/lib/libgtk-x11-2.0.so.0
#15 0x00000000005132d3 in create_MessageBox ()
#16 0x0000000000513745 in ShowMessageBox ()
#17 0x000000000050cc90 in gtkMessageBox ()
#18 0x0000000000479c12 in mp_msg ()
#19 0x0000000000472e63 in ?? ()
#20 <signal handler called>
#21 0x00007fda1bf57390 in memcpy () from /lib/libc.so.6
#22 0x0000000000522849 in wsConvert ()
#23 0x000000000050f5a1 in mplMainDraw ()
#24 0x0000000000522f55 in wsPostRedisplay ()
#25 0x000000000050e993 in mplEventHandling ()
#26 0x00000000005077d5 in guiGetEvent ()
#27 0x00000000004753b7 in main ()
.
Thread 1 (process 8654):
#0  0x00007fda23275c75 in ?? () from /usr/lib/libpulse.so.0
#1  0x00007fda2327c10d in ?? () from /usr/lib/libpulse.so.0
#2  0x00007fda2325e66d in pa_mainloop_dispatch () from /usr/lib/libpulse.so.0
#3  0x00007fda2325e8f6 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#4  0x00007fda2325e9b0 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#5  0x00007fda23268d6d in ?? () from /usr/lib/libpulse.so.0
#6  0x00007fda23285400 in ?? () from /usr/lib/libpulse.so.0
#7  0x00007fda25c4c3ea in start_thread () from /lib/libpthread.so.0
#8  0x00007fda1bfb8c6d in clone () from /lib/libc.so.6
#9  0x0000000000000000 in ?? ()