I am speculating this is a VM firmware issue. I ran the test on a Noble host system and was unable to recreate the issue. I then used the OVMF firmware from the latest version in Plucky and was able to recreate the failure on first boot behavior.
For reference: - Working install: ovmf 2024.02-2ubuntu0.1 - Failing install: ovmf 2025.02-3ubuntu1 -- 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