Bug#870641: light-locker: screen stays black after closing and opening laptop lid

[Udo Richter <udo_richter@gmx.de>]

One more for the mix:


I experience this behavior in most cases when light-locker kicks in as
screen saver. Closing the lid or suspending never triggers this. i965
driver on Sandybridge CPU. Ctrl-Alt-F6-F7 brings me to a
screen-is-locked display, and after some seconds, to the actual login
prompt. Bug appeared after upgrading from stretch a few months ago.


Debian/Buster, light-locker 1.8.0-3.


I tried using the keys to change screen brightness, no effect.