Please ignore the above comment. It seems what I'm experiencing is a different bug.
If I run the following, I get high CPU glslideshow -delay 0 -zoom 100 -pan 1 If I run the following, I get low CPU glslideshow -zoom 100 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1862150 Title: Xscreensaver produces high cpu and fan on 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xscreensaver/+bug/1862150/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs