First, upgrade to 6.02. Then, run xscreensaver with -log to see what's going on. Probably some other app is trying to disable blanking while locked.
> Killing the "xscreensaver-systemd" process fixed it. Being an > always-running desktop, it is never suspended, so from reading its man > page, I gather xscreensaver-systemd doesn't do anything useful for > that particular machine. xscreensaver-systemd is also the mechanism by which most movie players and web browsers tell XScreenSaver to not blank the screen while a video is playing. -- Jamie Zawinski https://www.jwz.org/ https://www.dnalounge.com/
