Found the problem by an Ubuntu Forums post. Ran sudo apt-get install xserver-xorg-input-all to install necessary package, rebooted, and the problem is fixed!
-- Trackpad crashed on Jaunty update https://bugs.launchpad.net/bugs/320979 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs