Rodrigo, could you have a look at this long-standing issue and see if something can be done for Feisty? The upstream bug has an outline of what needs to be done, but it's a low priority for them.
** Changed in: gnome-screensaver (Ubuntu) Target: later => None -- 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