[Bug 1777461] Re: unable to install grub in /dev/sda

[Samet Cömert]

The solution was manually partitioning the disk and choosing the
installation location of grub to an efi partition. I guess ubuntu was
trying to install the grub to a wrong partition, such as /dev/sda.

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Title:
  unable to install grub in /dev/sda

Status in grub-installer package in Ubuntu:
  Invalid

Bug description:
  when trying to install grub using a usb,a failure occurs(ubuntu 18.04)
  the error is:
  executing 'grub-install/dev/sda' failed
  this is a fatal error

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14
  ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
  Uname: Linux 4.15.0-20-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7
  Architecture: amd64
  CasperVersion: 1.394
  Date: Mon Jun 18 10:11:05 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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