I have the same problem with Debian wheezy(gnome 3), this is why I come to ubuntu 12.04. Unfortunately ubuntu has the problem too. But Debian wheezy with xfce desktop environment can shutting down normally with a warn message sometimes: killing all remaining processes failed.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/987220 Title: System does not power off reliably when "Shut Down" chosen from GUI To manage notifications about this bug go to: https://bugs.launchpad.net/indicator-session/+bug/987220/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs