[Bug 1578632] Re: Grub2 failed to install

[Dave Gawley]

Hmm, I likely should not have chosen this as a similar bug to mine as
grub booting (including chaining to windows boot process) was working
until I patched the new Windows 10 Education install.

GPT partitioning by gparted was done before I started the Windows 10
Education install. Once the Win10 was installed (no networking available
so no patching) and rebootability demonstrated, I installed Ubuntu Mate
16.04.1 which initially went fine (including the Grub2 install).
Reached my destination where Internet was available. Patched Windows 10
and windows boot loader took over the boot process. I've now tried
reinstalling grub2 from Ubuntu 16.04.1 server key, fresh installs of the
Ubuntu 16.04.1 and Ubuntu Mate 16.04.1 from scratch only to get that
installation of grub2 failed. Now that I've finished this report, I go
double check my bios setting.

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https://bugs.launchpad.net/bugs/1578632

Title:
  Grub2 failed to install

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  I had dual boot with 14.04 and Windows 10. Got warning about running
  the 16.04 installer in UEFI mode while one of the systems wasn't UEFI.
  Then installer crashed because could not install grub.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  Uname: Linux 4.4.0-21-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  CasperVersion: 1.376
  Date: Thu May  5 15:06:42 2016
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu-gnome.seed boot=casper only-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu-GNOME 16.04 LTS "Xenial Xerus" - Release amd64 (20160421)
  ProcEnviron:
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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