This is likely a duplicate of bug 1925010. What does "sudo dmesg | grep EFI" return? If there is any EFI information from your current dmesg please look in older files in /var/log/. Thanks in advance.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1924752 Title: mac fails to boot after hirsute release upgrade (secureboot) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1924752/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
