This is easily verifiable. Have Arch Linux installed and add any Ubuntu version to your system. Take a look at the /etc/boot/grub.cfg file. You will see that /initramfs-linux.img is missing and also you will not be able to boot into Arch. The only way to boot Arch is via the fallback kernel.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772314 Title: Ubuntu UEFI grub does not add Arch Linux correctly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vm-builder/+bug/1772314/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs