I have the same trouble (and it's getting rather irksome). I'm running a fully updated 'stock' Gutsy with a GeForce 6800 on NVidia drivers. My monitors are configured as separate X screens.
My Ubuntu-forum searching found another similarly afflicted: http://ubuntuforums.org/showthread.php?t=436775 -- Screensaver just detects idle time on one screen https://bugs.launchpad.net/bugs/87317 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs