Comment 115 for bug 762918

https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/762918/comments/4
That's wrong for me, even with blank selected it crashed.

https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/762918/comments/82
Worked for me so far, thanks.
This even boosts some effects and Fullscreen-OpenGL-Applications (e.g. Braid) now work fine (they were crashing before).

Maybe this option should be disabled by default.