Actually I take that back. After installing the unity update, using the lightdm from proposed, guest sessions work just fine. In spite of the logs you see above, it works fine.
** Tags removed: verification-needed ** Tags added: verification-done -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/874635 Title: Guest session throws an apparmor denial To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/874635/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs