Manjaro Linux: Waking up from suspend sporadically shows the frozen lock screen image without UI / black screen with movable cursor

Just dumping my solution here, in case I ever forget. Who knows, maybe it will help someone else, too. System info: Manjaro Linux 21.3.7 KDE Plasma 5.24.6 NVIDIA graphics card, proprietary driver Symptoms: 100% CPU utilization by kscreenlocker_greet loginctl unlock-sessions does not work Solution: Switch to another tty (using Ctrl+Alt+F2, Weiterlesen…