gnome-screensaver should currently be set to the floating ubuntulogo screensaver by default ... that fixes the symptom for fresh installs, but indeed the bug is still present ...
-- don't use OpenGL savers if no hardware support https://launchpad.net/bugs/33753 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs