I also have the same problem with ubuntu 9.04, shutdown results in login
screen.
uname -a = 'Linux ubuntu 2.6.28-13-generic #45-Ubuntu SMP Tue Jun 30
22:12:12 UTC 2009 x86_64 GNU/Linux'
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Shutdown from meny does not shutdown computer, goes to GDM login screen
https://bugs.launchpad.net/bugs/823
After upgrading to Ubuntu 9.04 from Ubuntu 8.10 I got the same issue.
System is up-to-date.
When I press "Shutdown" button the screen goes blank than it shows me login
screen.
Expected result - computer shutdown.
If I try "sudo halt" command - it works fine, computer shuts off.
uname -a = "Linu