I found that thread on ubuntuforums, so I installed xerver-xorg-core and -dev ubuntu10.4 and everything works!
No, this is a six year old laptop...not XGL or AIGLX enabled. Thanks everyone :) -- latest xserver fails https://launchpad.net/bugs/57283 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs