Bug#415227: Compiz interferes with Screensaver -- unable to unlock a session

[Silviu-Georgian Aprozeanu <silviu.georgian@aprozeanu.com>]

Brice Goglin wrote:
> I wonder whether this bug is actually in compiz and not in
> gnome-screensaver. There are some known problems with non-trivial X
> config in gnome-screensaver, for instance randr-1.2 dual-head [1], which
> lead to the unlock window not being displayed at all (but entering the
> passwd unlocks and restores the display fine). Conditions are different
> here, but the result looks similar.
>
> Did any of you guys reproduce with another screensaver instead of
> gnome-screensaver?
>
> Brice
>
> [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=420339
>   
Yes, of course. I don't think its related to the screen saver.

Pressing F11 in gnome-terminal (full screen) has the same behaviour.

Again, this only happens if the particular option we talked about before 
is in one of it's two states.