Or maybe it has to do with this bug: https://bugs.freedesktop.org/show_bug.cgi?id=7169
fixed yesterday in mesa CVS: http://gitweb.freedesktop.org/?p=users/krh/mesa.git;a=commit;h=addaf26054d94041767d46ad970a7d6b80d17d60 -- 3d acceleration broken in Edgy Knot 1 https://launchpad.net/bugs/54858 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs