[Bug 1908953] Re: Unable to install GRUB in /dev/sda : ' Executing grub-install/dev/sda' failed. This is fatal error.

[Batifamily Ubuntu]

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https://bugs.launchpad.net/bugs/1908953

Title:
  Unable to install GRUB in /dev/sda : ' Executing grub-install/dev/sda'
  failed. This is fatal error.

Status in ubiquity package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu installation stops on error :

  Unable to install GRUB in /dev/sda : ' Executing grub-install/dev/sda'
  failed. This is fatal error.

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: ubiquity 21.04.3
  ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14
  Uname: Linux 5.8.0-25-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu55
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.456
  Date: Tue Dec 22 01:58:24 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20201221.1)
  RebootRequiredPkgs:
   linux-image-5.8.0-25-generic
   linux-base
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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