I can confirm Dan's test build worked for me too. Also digging through the link Dann provided I found this, which seems to match the errors I posted above: https://edk2.groups.io/g/devel/topic/110601533#msg120986
Since this should (has to?) work with secureboot then this points to figuring out the bug in grub/shim? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2104316 Title: 25.04 beta TPMFDE: first boot failure To manage notifications about this bug go to: https://bugs.launchpad.net/snap-pc/+bug/2104316/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs