I just tested your xen 4.16.0-1~ubuntu2.1 packages from https://launchpad.net/~mfo/+archive/ubuntu/build und confirm: With this packages now Ubuntu 22.04 can boot 22.04 PV-domUs using pygrub.
I just tested your xen 4.16.0-1~ubuntu2.1 packages from https:/ /launchpad. net/~mfo/ +archive/ ubuntu/ build und confirm: With this packages now Ubuntu 22.04 can boot 22.04 PV-domUs using pygrub.