.
Thread 3 (process 6528):
#0  0x00007f7278a91b99 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x000000000041e164 in ?? ()
#2  0x00007f727b177514 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7278a8d3f7 in start_thread () from /lib/libpthread.so.0
#4  0x00007f72787fc95d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()
.
Thread 2 (process 6531):
#0  0x00007f7278a945cb in read () from /lib/libpthread.so.0
#1  0x00007f727b15236d in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f727b177514 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f7278a8d3f7 in start_thread () from /lib/libpthread.so.0
#4  0x00007f72787fc95d in clone () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()
.
Thread 1 (process 6527):
#0  0x00007f7269cbf490 in ?? ()
#1  0x00007f727b5e99df in g_object_unref () from /usr/lib/libgobject-2.0.so.0
#2  0x00007f727b60a3c3 in g_value_unset () from /usr/lib/libgobject-2.0.so.0
#3  0x00007f727b5fe3c4 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#4  0x00007f727b5fe853 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#5  0x00007f7269cbe2c2 in ?? ()
#6  0x00007f7200000000 in ?? ()
#7  0x00007fff000009ec in ?? ()
#8  0x00007fff00000cd6 in ?? ()
#9  0x00007fff88169f50 in ?? ()
#10 0x000009ec00000cd6 in ?? ()
#11 0x0000000000000085 in ?? ()
#12 0x0000000000e25d00 in ?? ()
#13 0x00007f7269cbe319 in ?? ()
#14 0x00007fff88169f50 in ?? ()
#15 0x00007f727cf7354f in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#16 0x00007f727b5e7b5f in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#17 0x00007f727b5fcab2 in ?? () from /usr/lib/libgobject-2.0.so.0
#18 0x00007f727b5fe15f in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#19 0x00007f727b5fe853 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#20 0x00007f727d07a6d4 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#21 0x00007f727cf6d854 in gtk_main_do_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#22 0x00007f727c13d6fc in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#23 0x00007f727b1513e4 in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#24 0x00007f727b1546f5 in ?? () from /usr/lib/libglib-2.0.so.0
#25 0x00007f727b154a15 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#26 0x00007f727cf6dbd3 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#27 0x0000000000448973 in ?? ()
#28 0x00007f72787431c4 in __libc_start_main () from /lib/libc.so.6
#29 0x000000000041acb9 in ?? ()
#30 0x00007fff8816a658 in ?? ()
#31 0x0000000000000000 in ?? ()