.
Thread 1 (process 5905):
#0  0xb7a1fd60 in g_type_check_class_cast () from /usr/lib/libgobject-2.0.so.0
#1  0x0805a5da in ?? ()
#2  0x080e3950 in ?? ()
#3  0x00000050 in ?? ()
#4  0x00000000 in ?? ()