I have browsed several answers... but none seems to address my question. As reported in bug #1067876 the options to "safely remove" an external drive is gone. No problem! Umount is sufficient for ...
When restarting or shutting down Ubuntu 12.10 the clean (graphic screen) process is interrupted by the following messages: * Deactivating swap ... [ OK ] * mount: /run/lock: not mounted [ fail ] * ...