(In reply to Alexander Butenko from comment #4)
> im not sure what to with this problem. The only possible workaround here is
> not to start xfce4-screensaver daemon if xscreensaver is detected.
> what is the point of having both xscreensaver and xfce4-screensaver running?
I think that is OK, although it would make xfce4-screensaver susceptible to being disabled by creating a dummy xscreensaver/light-locker process. On the other hand, it can be killed by any user process anyway.
Disclaimer: I don't know xfce or screensaver internals.
(In reply to Alexander Butenko from comment #4)
> im not sure what to with this problem. The only possible workaround here is
> not to start xfce4-screensaver daemon if xscreensaver is detected.
> what is the point of having both xscreensaver and xfce4-screensaver running?
I think that is OK, although it would make xfce4-screensaver susceptible to being disabled by creating a dummy xscreensaver/ light-locker process. On the other hand, it can be killed by any user process anyway.
Disclaimer: I don't know xfce or screensaver internals.