[Bug 1901362] Re: Unable to install grub - Ubuntu 20.10 installation fail

[Jean-Baptiste Lallement]

*** This bug is a duplicate of bug 1901137 ***
    https://bugs.launchpad.net/bugs/1901137

** This bug has been marked a duplicate of bug 1901137
   grub-install fails due to no space left on ESP

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https://bugs.launchpad.net/bugs/1901362

Title:
  Unable to install grub - Ubuntu 20.10 installation fail

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Ubuntu 20.10 fails installing because just at the end of the
  installation, grub-install /dev/sda fails without any obvious reason.
  I have both Windows 10 and Ubuntu 20.04 on the drive and had many
  previous versions before. It is the first time I get this error and I
  am glad I did foresee problems, always keeping another version of
  Ubuntu.

  This is a Toshiba laptop about 4 years old, usually everything works
  flawless on it.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.10
  Package: ubiquity 20.10.13
  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: 2.20.11-0ubuntu50
  Architecture: amd64
  CasperMD5CheckMismatches: ./pool/main/s/setserial/setserial_2.17-52_amd64.deb
  CasperMD5CheckResult: skip
  CasperVersion: 1.455
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Oct 25 02:45:33 2020
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
  ProcEnviron:
   LANGUAGE=en_US.UTF-8
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   LC_NUMERIC=C.UTF-8
  RebootRequiredPkgs:
   linux-image-5.8.0-25-generic
   linux-base
   linux-base
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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