Fedora has fixed this problem differently than SUSE has, so it might be worth Ubuntu devs taking a look at what they did and seeing if it's applicable.
This is the complete git log for GRUB2 in Fedora: http://pkgs.fedoraproject.org/cgit/rpms/grub2.git/log/ I think this is the applicable commit: http://pkgs.fedoraproject.org/cgit/rpms/grub2.git/commit/?id=ced107a476b559ab352594d59871605dab6e06b9 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1091464 Title: Unable to chainload Windows 8 and 10 with Secure Boot enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1091464/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs