#0  0xb784094b in g_object_unref () from /usr/lib/libgobject-2.0.so.0
#1  0x0804e10a in ?? ()
#2  0xaaaaaaaa in ?? ()
#3  0x08050eec in ?? ()
#4  0x08050ee6 in ?? ()
#5  0x080512c6 in ?? ()
#6  0x00000000 in ?? ()