upgrade from 20.04 to 22.04 break by ‘usrmerge’ error

[owendswang]

errors were encountered while processing usrmerge

ProblemType: Package
DistroRelease: Ubuntu 22.04
Package: usrmerge 25ubuntu2
ProcVersionSignature: Ubuntu 5.4.0-136.153-generic 5.4.218
Uname: Linux 5.4.0-136-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.3
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Tue Jan 10 11:38:22 2023
ErrorMessage: installed usrmerge package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2019-09-20 (1207 days ago)
InstallationMedia: Ubuntu-Server 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
PackageArchitecture: all
Python3Details: /usr/bin/python3.10, Python 3.10.6, python3-minimal, 3.10.6-1~22.04
PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
RebootRequiredPkgs: Error: path contained symlinks.
RelatedPackageVersions:
 dpkg 1.21.1ubuntu2.1
 apt 2.4.8
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 2023-01-10 (0 days ago)

[owendswang (owendswang)]

By command "rm /lib64", I solved this usrmerge error on my vm. "/usr/lib/usrmerge/convert-usrmerge" would succeed.

"/lib64" is a simply link to "/usr/lib/x86_64-linux-gnu" dir.

After several times of updates, "/lib64" would reapear, but link to "/usr/lib64".

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.