[Bug 1762034] Re: Installer crashes at installing grub

[hakuna_matata]

The bug report was created with a Wubiuefi release for Ubuntu 17.10. All
Wubiuefi releases for Ubuntu 18.04 contain a fix.
https://github.com/hakuna-m/wubiuefi/issues/91

i.e. the issue has been solved for Wubiuefi.

But IMHO the general issue still exists if you don't use Wubiuefi.

i.e. If someone creates a customized configuration for Ubiquity with
loop devices, the issue can still appear.

** Bug watch added: github.com/hakuna-m/wubiuefi/issues #91
   https://github.com/hakuna-m/wubiuefi/issues/91

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https://bugs.launchpad.net/bugs/1762034

Title:
  Installer crashes at installing grub

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  When i try to install Ubuntu 18.04 ISO via WubiEFI, the Installer
  crashes at creating the grub boot menu.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.4 [modified: bin/autopartition-loop bin/user-params]
  ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
  Uname: Linux 4.15.0-13-generic x86_64
  ApportVersion: 2.20.9-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.392
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr  7 19:51:47 2018
  InstallCmdLine: BOOT_IMAGE=/ubuntu/install/boot/vmlinuz.efi debian-installer/custom-installation=/ubuntu/install/custom-installation iso-scan/filename=/ubuntu/install/installation.iso automatic-ubiquity noprompt quiet splash boot=casper ro debian-installer/locale=de_DE.UTF-8 keyboard-configuration/layoutcode=de keyboard-configuration/variantcode= -- rootflags=sync
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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