I'm not sure we've seen this problem with a xenial guest. However, I did regression test and verify that xenial guests still boot in secureboot mode w/ the shim-signed package in -proposed:
ubuntu@ubuntu:~$ dpkg -l | grep shim-signed ii shim-signed 1.33.1~16.04.9+15.4-0ubuntu5 amd64 Secure Boot chain-loading bootloader (Microsoft-signed binary) ubuntu@ubuntu:~$ sudo mokutil --sb-state SecureBoot enabled ** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1931136 Title: Don't unhook ExitBootServices() when EBS protection is disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim/+bug/1931136/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs