#0  0xb7c42c99 in gtk_widget_destroy () from /usr/lib/libgtk-x11-2.0.so.0
#1  0x0804b329 in init_ui ()
#2  0x0804bd57 in property_ok_cb ()
#3  0xb75a1179 in g_cclosure_marshal_VOID__VOID ()
   from /usr/lib/libgobject-2.0.so.0
#4  0xb7593742 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#5  0xb75a5695 in ?? () from /usr/lib/libgobject-2.0.so.0
#6  0x0845b9b0 in ?? ()
#7  0x00000000 in ?? ()