[Bug 1782339] [NEW] GRUB2 loader is not being installed into the root directory during ubuntu installation in a n external hard disk

[Harsh]

Public bug reported:

I have a LENOVO legion Y520 laptop and have created the installation
media for installing ubuntu on an external hard disk in UEFI boot mode.
After partitioning using gparted wherein all partitions created were
primary partitions and starting installation, the installation crashes
where it is mentionedthat grub2 can not be installed into root
directory.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubiquity 2.21.63.6 [modified: lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 4.13.0-36.40~16.04.1-generic 4.13.13
Uname: Linux 4.13.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
CasperVersion: 1.376.2
Date: Thu Jul 19 03:00:17 2018
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity nomodeset ---
LiveMediaBuild: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
ProcEnviron:
 LANGUAGE=en_SG.UTF-8
 PATH=(custom, no user)
 LANG=en_SG.UTF-8
 SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug ubiquity-2.21.63.6 ubuntu xenial

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https://bugs.launchpad.net/bugs/1782339

Title:
  GRUB2 loader is not being installed into the root directory during
  ubuntu installation in a n external hard disk

Status in grub-installer package in Ubuntu:
  New

Bug description:
  I have a LENOVO legion Y520 laptop and have created the installation
  media for installing ubuntu on an external hard disk in UEFI boot
  mode. After partitioning using gparted wherein all partitions created
  were primary partitions and starting installation, the installation
  crashes where it is mentionedthat grub2 can not be installed into root
  directory.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63.6 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 4.13.0-36.40~16.04.1-generic 4.13.13
  Uname: Linux 4.13.0-36-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  CasperVersion: 1.376.2
  Date: Thu Jul 19 03:00:17 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity nomodeset ---
  LiveMediaBuild: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
  ProcEnviron:
   LANGUAGE=en_SG.UTF-8
   PATH=(custom, no user)
   LANG=en_SG.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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