I got it fixed today! From the recovery console, I did apt-get remove xserver-xorg, rebooted and then did apt-get install xserver-xorg. That seemed to correct whatever leftover driver was causing the issue.
-- xorg broken vmware upgrade 6.06 to feisty https://launchpad.net/bugs/90139 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs