I can confirm the bug! I had the same problem when upgrading from 12.04 to 14.04. Thankfully the --unrestricted option helped.
Please put the bug on high priority because users cannot boot anymore because the password might be confidential (known only by administrators) or users may have forgotten their password (set a long time ago). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1311302 Title: GRUB2 asks for password when booting To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1311302/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs