package initramfs-tools 0.130ubuntu3.12 failed to install/upgrade: installed initramfs-tools package post-installation script subprocess returned error exit status 1

[Matt Michielsen]

Upgrading from 16.04 to 18.04 on an old server that still has to use lilo.

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: initramfs-tools 0.130ubuntu3.12
ProcVersionSignature: Ubuntu 4.4.0-210.242-generic 4.4.262
Uname: Linux 4.4.0-210-generic i686
ApportVersion: 2.20.9-0ubuntu7.24
Architecture: i386
Date: Fri Jul 2 16:35:42 2021
ErrorMessage: installed initramfs-tools package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2010-06-08 (4042 days ago)
InstallationMedia: Ubuntu-Server 10.04 LTS "Lucid Lynx" - Release i386 (20100427)
PackageArchitecture: all
Python3Details: /usr/bin/python3.6, Python 3.6.9, python3-minimal, 3.6.7-1~18.04
PythonDetails: /usr/bin/python2.7, Python 2.7.17, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.3
 apt 1.6.14
SourcePackage: initramfs-tools
Title: package initramfs-tools 0.130ubuntu3.12 failed to install/upgrade: installed initramfs-tools package post-installation script subprocess returned error exit status 1
UpgradeStatus: Upgraded to bionic on 2021-07-02 (0 days ago)

[Matt Michielsen (mattmichielsen)]

After this report, it automatically ran something like dpkg --configure --pending, which succeeded in running the lilo update. The only thing it didn't do was run autoremove to remove the outdated libraries and stuff. Rebooted into the new kernel via lilo successfully as well.