.
Thread 1 (process 10680):
#0  0x00002b7362a3afae in ?? () from /usr/lib/libgobject-2.0.so.0
#1  0x00002b7362a3c7d9 in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#2  0x00002b7362a4c83d in ?? () from /usr/lib/libgobject-2.0.so.0
#3  0x00002b7362a4d833 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#4  0x00002b7362a4da03 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#5  0x00002b73601a0659 in gtk_widget_unparent ()
   from /usr/lib/libgtk-x11-2.0.so.0
#6  0x00002b7360006c81 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#7  0x00002b736000c617 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#8  0x00002b7362a3e6a8 in g_object_unref () from /usr/lib/libgobject-2.0.so.0
#9  0x00002b736010a9f7 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#10 0x00002b73600104b1 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#11 0x00002b7362a3c890 in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#12 0x00002b7362a4cb8b in ?? () from /usr/lib/libgobject-2.0.so.0
#13 0x00002b7362a4d833 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#14 0x00002b7362a4da03 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#15 0x00002b73600b6e30 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#16 0x00002b7362a3e990 in g_object_run_dispose ()
   from /usr/lib/libgobject-2.0.so.0
#17 0x00002b73600104b1 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#18 0x00002b7362a3c890 in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#19 0x00002b7362a4cb8b in ?? () from /usr/lib/libgobject-2.0.so.0
#20 0x00002b7362a4d833 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#21 0x00002b7362a4da03 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#22 0x00002b73600b6e30 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#23 0x00002b7362a3e990 in g_object_run_dispose ()
   from /usr/lib/libgobject-2.0.so.0
#24 0x00002b73600e76df in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#25 0x00002b73600104b1 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#26 0x00002b7362a3c890 in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#27 0x00002b7362a4cb8b in ?? () from /usr/lib/libgobject-2.0.so.0
#28 0x00002b7362a4d833 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#29 0x00002b7362a4da03 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#30 0x00002b73600b6e30 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#31 0x00002b7362a3e638 in g_object_unref () from /usr/lib/libgobject-2.0.so.0
#32 0x00002b7362a5d343 in g_value_unset () from /usr/lib/libgobject-2.0.so.0
#33 0x00002b7362a4d85f in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#34 0x00002b7362a4da03 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#35 0x00000000004063f9 in ?? ()
#36 0x0000000000407089 in ?? ()
#37 0x00002b7362a3e990 in g_object_run_dispose ()
   from /usr/lib/libgobject-2.0.so.0
#38 0x00002b73600104b1 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#39 0x00002b7362a3c890 in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#40 0x00002b7362a4cb8b in ?? () from /usr/lib/libgobject-2.0.so.0
#41 0x00002b7362a4d833 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#42 0x00002b7362a4da03 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#43 0x00002b73600b6e30 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#44 0x00002b7362a3e990 in g_object_run_dispose ()
   from /usr/lib/libgobject-2.0.so.0
#45 0x00002b735ffda120 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#46 0x00002b73600104b1 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#47 0x00002b7362a3c890 in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#48 0x00002b7362a4cb8b in ?? () from /usr/lib/libgobject-2.0.so.0
#49 0x00002b7362a4d833 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#50 0x00002b7362a4da03 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#51 0x00002b73600b6e30 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#52 0x00002b7362a3e990 in g_object_run_dispose ()
   from /usr/lib/libgobject-2.0.so.0
#53 0x00002b73600104b1 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#54 0x00002b7362a3c7d9 in g_closure_invoke ()
   from /usr/lib/libgobject-2.0.so.0
#55 0x00002b7362a4cb8b in ?? () from /usr/lib/libgobject-2.0.so.0
#56 0x00002b7362a4d833 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#57 0x00002b7362a4da03 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#58 0x00002b73600b6e30 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#59 0x00002b7362a3e990 in g_object_run_dispose ()
   from /usr/lib/libgobject-2.0.so.0
#60 0x00002b7360092d04 in gtk_main_do_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#61 0x00002b73605383cc in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#62 0x00002b73637f8794 in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#63 0x00002b73637fb5dd in ?? () from /usr/lib/libglib-2.0.so.0
#64 0x00002b73637fb8ea in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#65 0x00002b7360092fa3 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#66 0x00000000004072cb in ?? ()
#67 0x00002b73640c68e4 in __libc_start_main () from /lib/libc.so.6
#68 0x0000000000405c19 in ?? ()
#69 0x00007fff4cff30e8 in ?? ()
#70 0x0000000000000000 in ?? ()