Daniel, you should have a look at bug 54858 of which this bug is a duplicate. A dirty fix is a symlink from /usr/X11R6/lib/modules/dri to /usr/lib/dri.
-- no direct rendering on Dell laptop using Edgy and i810 driver https://launchpad.net/bugs/54565 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs