It seems someone has reported a similar (possible the same) bug at https://bugs.archlinux.org/task/23720
One comment on that page states: here is the catch. they dropped the dbus activation http://git.gnome.org/browse/notification-daemon/commit/?id=1ad20d22098bc7718614a8a87744a2c22d5438d0 -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

