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Re: Buster/XFCE unlock screen is blank

(This probably belonged on debian-user, but since I have background on
this specific problem and already did the research.)

Raj Kiran Grandhi <grajkiran@xxxxxxxxx> writes:

> In a fresh install of Buster with XFCE desktop, locking the screen
> blanks the monitor and the monitor enters a power save state. After
> that, neither moving the mouse nor typing on the keyboard would turn
> the monitor back on.

Ctrl-Alt-F7 will also restore the desktop (which I think is just another
version of your solution 2 of switching VTs).

This appears to be a bug in light-locker specifically, which is the
default screen lock program with XFCE with lightdm.  See, for instance:


Switching to another greeter from the default gtk-greeter appears to help
according to that bug, which may mean that the bug is actually in
lightdm-gtk-greeter.  There doesn't appear to be a Debian bug for this; it
might be a good idea to open one against light-locker (or, if you confirm
switching to slick-greeter per that bug, lightdm-gtk-greeter).

Russ Allbery (rra@xxxxxxxxxx)               <http://www.eyrie.org/~eagle/>