$ sudo apt install shim-signed=1.50+15.4-0ubuntu7 ... from proposed packages, followed by a reboot with secure boot enabled has the same result, stuck on UEFI vendor firmware logo.
Trying to capture additional logging for you next. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1936759 Title: shim-signed 1.48+15.4-0ubuntu5 does not secure boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/shim-signed/+bug/1936759/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs