Den Fri, 20 May 2016 20:42:09 +0200
skrev Re: bug#23286: Unable to unlock xscreensaver in Xfce:

> Errr. Oops. Better not do what I said previously (at least not
> permanently).
> 
> Danny said:
> > services (cons* (screen-locker-service xfce4-session "xflock4")  
> 
> Because of [1], that is maybe not the right fix (however, it should
> work).

Yes, it didn't work.  I got the same problem as before with an
automatic authentication failure.

> 
> Can you do
> 
>  $ cat $(which xflock4)
> 
> please?

Sure.  See the attached file.

Thanks

Albin

> 
> It seems to be a wrapper that just uses other tools to do the actual
> locking. Which ones?
> 
> It might be that it doesn't find xscreensaver-common but does find
> gnome-screensaver-command in your profile. Either way it's using
> something to lock the screen which then won't be able to unlock.
> 
> [1]
> https://unix.stackexchange.com/questions/101806/why-doesnt-my-screen-lock-in-xfce