18.04.2 fails to install on efi/nvme systme grub-efi-signed fails

[Mirzet Kadic]

The 18.04.2 ISO fails to install because grub-efi-amd64-signed cannot be installed in /target.

This issue seems to be fixed in current daily images.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: grub-efi-amd64-signed 1.93.13+2.02-2ubuntu8.12
ProcVersionSignature: Ubuntu 4.18.0-16.17~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-16-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sun Mar 10 14:27:58 2019
InstallationDate: Installed on 2019-03-10 (0 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: grub2-signed
UpgradeStatus: No upgrade log present (probably fresh install)