Yes, this has always been the case, since the first Ubuntu release, and I'd consider it an upstream issue. gnome-screensaver really shouldn't allow OpenGL screensavers to run by default when no acceleration is available. Please forward upstream.
** Changed in: gnome-screensaver (Ubuntu) Severity: Major => Normal Priority: Wontfix => None -- no 2D screensavers available https://launchpad.net/bugs/33753 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs