[Bug 1918892] Re: near the end of installation the installer displayed the message "Executing 'grub-install/dev/sda' failed. This is a fatal error."

[Norbert]

** Changed in: ubiquity (Ubuntu)
       Status: New => Fix Released

** Tags removed: groovy

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Title:
  near the end of installation the installer displayed the message
  "Executing 'grub-install/dev/sda' failed. This is a fatal error."

Status in ubiquity package in Ubuntu:
  Fix Released

Bug description:
  There should be some sort of system log attached, as a window popped
  out and asked me if I want to upload the report. I tried to install
  Ubuntu 20.10.

  This is a classic BIOS system (no EFI).
  On the same system I had successfully installed Kubuntu 18.04, Mate 18.04, Xubuntu 18.04, and Ubuntu 16.04 (this last one now formatted for Ubuntu 20.10).

  I have set the bug as Private Security because I consider the name of
  my partitions that may appear in the logs as private info, even they
  might seem usual.

  Else:

  "Please attach the files /var/log/syslog and /var/log/partman to your
  bug. You need to attach these from the running installer, after you
  encounter the problem you are reporting, but before you reboot"

  //update// After the installer closed, a desktop session opened, so I
  had attached syslog (I see partman was already attached). ///// I
  don't know how can I access the filesystem from the installer (I
  started "Install Ubuntu" not "Try Ubuntu").

  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
  CasperMD5CheckResult: pass
  CasperVersion: 1.455
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Mar 12 09:52:04 2021
  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
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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