It's a controlled shutdown. As if you went to the shutdown menu and click on shutdown. I don't know if this is related, but I noticed, suspend and hibernate are gone from the shutdown menu with the latest gnome-power-manager.
-- laptop button halts instead of "ask me" https://launchpad.net/bugs/81891 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs