This appears to be fixed in Dapper. ** Changed in: control-center (Ubuntu) Status: Unconfirmed => Fix Released
-- gnome-settings-daemon dies when C-A-DEL used as a shortcut to logout https://launchpad.net/bugs/11160 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs