[Bug 1874957] Re: Ubuntu20.04 installation failed "Executing 'grub-install /dev/nvme0n1' failed"

[benguela]

I am also experiencing this

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https://bugs.launchpad.net/bugs/1874957

Title:
  Ubuntu20.04 installation failed "Executing 'grub-install /dev/nvme0n1'
  failed"

Status in grub-installer package in Ubuntu:
  Confirmed

Bug description:
  Installation failed on grub installation step.

  Executing 'grub-install /dev/nvme0n1' failed

  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
  CasperMD5CheckMismatches: ./casper/filesystem.squashfs
  CasperMD5CheckResult: skip
  CasperVersion: 1.445
  Date: Fri Apr 24 22:16:25 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash acpi=off ---
  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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