[Bug 1945115] Re: Reinstalling Ubuntu 20.04

[Reg Charney]

I was installing Ubuntu 20.04 over a corrupted Ubuntu 18.04 system.

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Title:
  Reinstalling Ubuntu 20.04

Status in grub-installer package in Ubuntu:
  New

Bug description:
  First time I tried to reinstall on top of Ubuntu 18.04, crashed with corrupted buffer.
  Second time I tried to reinstall, it failed because it could not overwrite Grub.
  Third time I tried to reinstall, it failed without a clear reason the I did not understand.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubiquity 20.04.15.17
  ProcVersionSignature: Ubuntu 5.11.0-27.29~20.04.1-generic 5.11.22
  Uname: Linux 5.11.0-27-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu27.18
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.445.1
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Sep 26 12:06:48 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 20.04.3 LTS "Focal Fossa" - Release amd64 (20210819)
  ProcEnviron:
   LANGUAGE=en_CA.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_CA.UTF-8
   LC_NUMERIC=C.UTF-8
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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