Comment 2 for bug 868155

StacktraceTop:
 g_type_add_class_private (class_type=16537280, private_size=18400368) at /build/buildd/glib2.0-2.30.0/./gobject/gtype.c:4570
 device_changed (device=0x11bd100, property=0x7f6bf800ebf0 "\024", value=0x7f6bf800ebf0, user_data=0xfc56c0) at bluetooth-client.c:384
 marshal_dbus_message_to_g_marshaller (closure=0x1205340, return_value=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=0x7fffb7622880, marshal_data=0x0) at dbus-gproxy.c:1733
 g_cclosure_new_swap (callback_func=0xfc56c0, user_data=0x118c470, destroy_data=0x7f6bf800ebf0) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:858
 ?? ()