[Bug 1917908] [NEW] Critical crash while initial install of Kubuntu 20.10 at the step or grub install

[Sébastien D'Amboise]

Public bug reported:

I have 2 hard drivdes, sda has Windows 10 and sdb has multiple
partitions with test distributions of Linux.   When installing Kubuntu
from a USB stick, the process fails close to the end when grub2 is ready
to write to the mbr.   Then installer exits.    Repeated the process
many times with same results.  Ensured no proprietary driver was loaded
initially.

ProblemType: Bug
DistroRelease: Ubuntu 20.10
Package: ubiquity 20.10.13 [modified: lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14
Uname: Linux 5.8.0-25-generic x86_64
ApportVersion: 2.20.11-0ubuntu50
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.455
CurrentDesktop: KDE
Date: Fri Mar  5 10:35:27 2021
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/kubuntu.seed maybe-ubiquity quiet splash ---
LiveMediaBuild: Kubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
RebootRequiredPkgs: linux-image-5.8.0-25-generic
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug groovy kubuntu ubiquity-20.10.13

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https://bugs.launchpad.net/bugs/1917908

Title:
  Critical crash while initial install of Kubuntu 20.10 at the step or
  grub install

Status in ubiquity package in Ubuntu:
  New

Bug description:
  I have 2 hard drivdes, sda has Windows 10 and sdb has multiple
  partitions with test distributions of Linux.   When installing Kubuntu
  from a USB stick, the process fails close to the end when grub2 is
  ready to write to the mbr.   Then installer exits.    Repeated the
  process many times with same results.  Ensured no proprietary driver
  was loaded initially.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.10
  Package: ubiquity 20.10.13 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 5.8.0-25.26-generic 5.8.14
  Uname: Linux 5.8.0-25-generic x86_64
  ApportVersion: 2.20.11-0ubuntu50
  Architecture: amd64
  CasperMD5CheckResult: pass
  CasperVersion: 1.455
  CurrentDesktop: KDE
  Date: Fri Mar  5 10:35:27 2021
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/kubuntu.seed maybe-ubiquity quiet splash ---
  LiveMediaBuild: Kubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
  RebootRequiredPkgs: linux-image-5.8.0-25-generic
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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