I've started getting this warning in the past few days too, and since then Beryl no longer works (not sure if it's related). I have an 82852/855GM Integrated Graphics card.
-- libGL warning: 3D driver claims to not support visual 0x4b https://launchpad.net/bugs/72361 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
