[Bug 1877993] Re: 20.04 GRUB install failed

[bluebugblazin]

After reducing the number of partitions on the HDD to which I attempted
to install Ubuntu 20.04, the installation completed error free. I
suspect the initial GRUB error was triggered by an issue related to the
partitioning of the HDD.

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https://bugs.launchpad.net/bugs/1877993

Title:
  20.04 GRUB install failed

Status in grub-installer package in Ubuntu:
  New

Bug description:
  Towards end of installation the following message appears:

  >>  Executing 'grub-install/dev/sda' failed.

  This is a fatal error.  <<

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.15
  ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
  Uname: Linux 5.4.0-26-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu27
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.445
  Date: Mon May 11 13:40:57 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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