[Bug 57160] Can't lock desktop.

[FiNaLBeTa]

Public bug reported:

I'm having problems locking my desktop, after an xserver restart it never wants to lock. 
But often it doesn't even need an xserver restart to "not wanting to lock".

Can't say much about it really. I use the key combination, nothing
happens. I use the lock button from the menu, the dialog closes, nothing
happens. (logging out does work)

This one really is a critical bug for me. Can't use the system where I
need it 2 because of the "lack of security"

//edit, sry, this has nothing to do with vino. Was left of a previous
bugpost. Please remove the vino.

** Affects: gnome-screensaver (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

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Can't lock desktop.
https://launchpad.net/bugs/57160