Under Breezy, the 'Switch User' used gdmflexiserver. This gives you a
list of already open displays (and hence logged in users).
So yes, I agree that this is a bug in the Gnome-session logout screen
logic in that it doesn't query currently logged in users.
--
'Switch User' button from 'System/Q
Upon further testing:
Yes, it doesn't lock the screen once a user is switched. This is a
security flaw as another logged in user just needs to switch virtual
consoles to be in the other person's login.
Logic currently:
1. User 'A' logs in.
2. Switch user and login as 'B'.
3. Switch user. Return
Public bug reported:
This also relate to Launchpad bug 47005 where I have added additional
comments.
To reproduce bug:
1. Log in as user 'A'. X session starts up on Virtual Console 7.
2. Invoke the 'Quit...' dialog.
3. Click on 'Switch User'. Another GDM login screen is started up on Virtual
C
