.
Thread 1 (process 13841):
#0  0x00002af46c344b75 in ?? () from /usr/lib/libgobject-2.0.so.0
#1  0x00002af46c3574e4 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#2  0x00002af46c357a13 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#3  0x000000000040c0bf in ?? ()
#4  0x00002af467dd65ed in _gtk_marshal_BOOLEAN__BOXED ()
   from /usr/lib/libgtk-x11-2.0.so.0
#5  0x00002af46c3467da in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#6  0x00002af46c356a18 in ?? () from /usr/lib/libgobject-2.0.so.0
#7  0x00002af46c357617 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#8  0x00002af46c357a13 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#9  0x00002af467ed3c2e in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#10 0x00002af467dcfbfd in gtk_propagate_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#11 0x00002af467dd0c11 in gtk_main_do_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#12 0x00002af4685b83cc in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#13 0x00002af46c7b9a14 in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#14 0x00002af46c7bc85d in ?? () from /usr/lib/libglib-2.0.so.0
#15 0x00002af46c7bcb6a in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#16 0x00002af467dd0fa3 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#17 0x000000000040def9 in main ()