https://support.apple.com/en-us/HT208330 2012 MBP don't have T2 Security Chip, therefore no Secure Boot support. So don't try secure boot on it. (which sounds this should be a WONTFIX/INVALID bug, but let shim developers decide).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1867092 Title: Failed to set MokListRT: Invalid Parameter To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1867092/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
