package initramfs-tools 0.136ubuntu6.6 failed to install/upgrade: installed initramfs-tools package post-installation script subprocess returned error exit status 1

[George J Kreger]

I did an upgrade on a Dell Latitude E6410 from 18.04 to 20.04. It failed to install the package initramfs-tools.

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: initramfs-tools 0.136ubuntu6.6
ProcVersionSignature: Ubuntu 5.4.0-77.86-generic 5.4.119
Uname: Linux 5.4.0-77-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckResult: skip
Date: Tue Jul 6 20:23:27 2021
ErrorMessage: installed initramfs-tools package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2015-12-24 (2022 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitecture: all
Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.6
SourcePackage: initramfs-tools
Title: package initramfs-tools 0.136ubuntu6.6 failed to install/upgrade: installed initramfs-tools package post-installation script subprocess returned error exit status 1
UpgradeStatus: Upgraded to focal on 2021-07-07 (0 days ago)

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1933842, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.