I deleted the grub2 task as, to the best of my knowledge, this was a configuration bug specific to UGR.
** No longer affects: grub2 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1069475 Title: grub fails to boot unsigned kernel To manage notifications about this bug go to: https://bugs.launchpad.net/ugr-iso-build/+bug/1069475/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs