I tried again with the daily build ISO from today (March 1st) and can confirm it is really the boot entry, which is corrupting the configuration file. Once the boot entry was created by the installer, the configuration was no longer readable by Hyper-V, removing hte ubuntu entry from UEFi with efibootmgr restored the configuration files again.
So we must find out how the UEFI boot entry can be created without breaking Hyper-V. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1272664 Title: Installing UEFI boot entry on Hyper-V gen 2 corrupts VM configuration, making the VM unuseable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/efibootmgr/+bug/1272664/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
