One way to fix this is to ignore small mouse movements. I believe xscreensaver does this.
** Changed in: gnome-screensaver (Ubuntu) Severity: Wishlist => Minor Status: Unconfirmed => Confirmed -- mouse movement wakes screensaver https://launchpad.net/bugs/37139 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs