I can also confirm that removing the boot flag on the /boot partition fixes the issue. Although, I guess compatibility with legacy boot is lost. Another possibility is simply remove the /boot partition after assigning the LVM profile. This works (similar to the flat template).
I can also confirm that removing the boot flag on the /boot partition fixes the issue. Although, I guess compatibility with legacy boot is lost. Another possibility is simply remove the /boot partition after assigning the LVM profile. This works (similar to the flat template).