> Why would a xscreensaver instance running for user A have any influence on a > xscreensaver instance running for user B? That seems absolutely weird to me > and something I don't understand.
Yeah, that sounds impossible, assuming that the X server has restarted between user A and user B. If things have gone wrong in a weird way, the "xscreensaver-systemd" process of user A might linger, but it won't be able to communicate with user B's xscreensaver. -- Jamie Zawinski https://www.jwz.org/ https://www.dnalounge.com/