Comment 2 for bug 862532

StacktraceTop:
 cd_device_register_object (device=0x69f050, connection=<optimized out>, info=<optimized out>, error=0x7fff78a11928) at cd-device.c:1389
 cd_main_device_register_on_bus (device=0x69f050, error=<optimized out>) at cd-main.c:330
 cd_main_client_device_added_cb (source=<optimized out>, device=0x69f050, user_data=<optimized out>) at cd-main.c:1561
 g_closure_invoke (closure=0x661b60, return_value=0x0, n_param_values=2, param_values=0x69c780, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.30.0/./gobject/gclosure.c:774
 signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x661000, emission_return=0x0, instance_and_params=0x69c780) at /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:3272