This also appears to occur with a fresh installation of Ubuntu 18.04.1 with the default Gnome desktop. It is waking my displays every twenty seconds as well. The only power related things that appear to be running are two instances of gnome-settings-daemon/gsd-power, one for the gdm user and one for my user.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1768562 Title: calling "xscreensaver-command -deactivate" every 20 seconds To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4-power-manager/+bug/1768562/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs