Not sure if related, but I come to a black lit screen when coming back from hibernation for about a month. Today, I decided to find the cause
Caps lock works, but no prompt of any kind or mouse cursor on the screen Going to tty1 and systemctl restart sddm is a work around. I was hinted that light-locker could be the cause. After removing it in xfce power settings (setting it to never), resuming from hibernation works again fine $ dpkg -l light-locker ii light-locker 1.7.0-3 $ aptitude why light-locker i task-xfce-desktop Depends light-locker
