I have this problem too - running a (somewhat) fresh install of gnome feisty on a dell inspiron 6000 laptop. the command "gnome-session-save --kill" logs me out to GDM instead of presenting me with the options to shutdown/restart/log out/lock screen/etc...
-- Fiesty logs-out when shutdown seleceted https://launchpad.net/bugs/94002 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs