[Bug 1989491] Re: while do-release-upgrade from ubuntu 20 package usrmerge 25ubuntu2 failed to install/upgrade: installed usrmerge package post-installation script subprocess returned error exit status 1

[Martin Ruskov]

*** This bug is a duplicate of bug 1930573 ***
    https://bugs.launchpad.net/bugs/1930573

"Both /sbin/grub-install and /usr/sbin/grub-install exist"
possibly related to https://bugs.launchpad.net/ubuntu/+source/usrmerge/+bug/1924850/comments/12

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https://bugs.launchpad.net/bugs/1989491

Title:
  while do-release-upgrade from ubuntu 20 package usrmerge 25ubuntu2
  failed to install/upgrade: installed usrmerge package post-
  installation script subprocess returned error exit status 1

Status in usrmerge package in Ubuntu:
  New

Bug description:
  While doing the upgrade, the problem occurred while trying to merge
  grub configuration

  ProblemType: Package
  DistroRelease: Ubuntu 22.04
  Package: usrmerge 25ubuntu2
  ProcVersionSignature: Ubuntu 5.4.0-125.141-generic 5.4.195
  Uname: Linux 5.4.0-125-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  CasperMD5CheckResult: unknown
  Date: Tue Sep 13 19:10:27 2022
  ErrorMessage: installed usrmerge package post-installation script subprocess returned error exit status 1
  InstallationDate: Installed on 2016-09-02 (2202 days ago)
  InstallationMedia:
   
  PackageArchitecture: all
  Python3Details: /usr/bin/python3.10, Python 3.10.4, python3-minimal, 3.10.4-0ubuntu2
  PythonDetails: N/A
  RebootRequiredPkgs: Error: path contained symlinks.
  RelatedPackageVersions:
   dpkg 1.21.1ubuntu2.1
   apt  2.4.7
  SourcePackage: usrmerge
  Title: package usrmerge 25ubuntu2 failed to install/upgrade: installed usrmerge package post-installation script subprocess returned error exit status 1
  UpgradeStatus: Upgraded to jammy on 2022-09-13 (0 days ago)

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