Comment 2 for bug 1022037

StacktraceTop:
 cd_device_register_object (device=device@entry=0x9a8b1e0, connection=0x9a7a000, info=0x9a70a20, error=0xbfa64df4) at cd-device.c:1474
 cd_main_device_register_on_bus (device=0x9a8b1e0, error=<optimized out>) at cd-main.c:399
 cd_main_daemon_method_call (connection_=0x9a7a000, sender=sender@entry=0xb5e03be8 ":1.118", object_path=0xb5e046b0 "/org/freedesktop/ColorManager", interface_name=interface_name@entry=0xb5e046d8 "org.freedesktop.ColorManager", method_name=method_name@entry=0xb5e02308 "CreateDevice", parameters=parameters@entry=0xb6801b78, invocation=invocation@entry=0x9a77e60, user_data=0x0) at cd-main.c:1032
 call_in_idle_cb (user_data=user_data@entry=0x9a77e60) at /build/buildd/glib2.0-2.33.3/./gio/gdbusconnection.c:4737
 g_idle_dispatch (source=source@entry=0xb5e05508, callback=0xb75e0290 <call_in_idle_cb>, user_data=0x9a77e60) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:4657