.
Thread 1 (process 6352):
#0  0xb777add9 in g_type_check_is_value_type ()
   from /usr/lib/libgobject-2.0.so.0
#1  0xb7780570 in g_value_init () from /usr/lib/libgobject-2.0.so.0
#2  0xb77701c6 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#3  0xb7770a09 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#4  0xb7c2c498 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#5  0x082810a8 in ?? ()
#6  0x0000002f in ?? ()
#7  0x00000000 in ?? ()