Some improvements have been made here. I can get accessible login to work now but it requires some config changes in xorg.conf. I'll close this as Fix Released as I've opened bug 83860 on the remaining issue.
** Changed in: gdm (Ubuntu) Status: Confirmed => Fix Released -- The greeter application appears to be crashing with "Enable accessible login" https://launchpad.net/bugs/55566 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs