A workaround seems to be to running the following two commands: gconftool-2 -s -t boolean /apps/gnome_settings_daemon/screensaver/start_screensaver false killall gnome-screensaver
-- screen turns off after 20 minutes even when playing in fullscreen https://launchpad.net/bugs/97251 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
