Comment 2 for bug 1021374

StacktraceTop:
 cd_device_register_object (device=device@entry=0x11ce280, connection=<optimized out>, info=<optimized out>, error=0x7fffb0d87bb0) at cd-device.c:1474
 cd_main_device_register_on_bus (device=0x11ce280, error=<optimized out>) at cd-main.c:399
 cd_main_daemon_method_call (connection_=<optimized out>, sender=<optimized out>, object_path=<optimized out>, interface_name=interface_name@entry=0x7f1458005100 "org.freedesktop.ColorManager", method_name=method_name@entry=0x7f1458005090 "CreateDevice", parameters=<optimized out>, invocation=invocation@entry=0x7f1458004000, user_data=user_data@entry=0x0) at cd-main.c:1032
 call_in_idle_cb (user_data=<optimized out>) at /build/buildd/glib2.0-2.33.3/./gio/gdbusconnection.c:4737
 g_main_dispatch (context=0x117c5c0) at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:2539