So testing with Fedora's boot/efi/EFI/fedora/grubx64.efi in place of the Ubuntu version solves the problem.
So it is indeed the situation that you describe in comment #15 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1955655 Title: kernel-5.13.0-23-generic : Unable to boot when Secure Encrypted Virtualization( SEV) is enabled without setting swiotlb boot param To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1955655/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
