Thanks everyone for the help; I pushed the patch in comment #40 as edk2 commit 76fd5a660d70.
** Changed in: edk2 (Ubuntu) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1725560 Title: OVMF UEFI firmware causes Windows 10 w/ GPU passthrough to not boot after upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/1725560/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs