package memtest86+ 5.01-3.1ubuntu2.1 failed to install/upgrade: installed memtest86+ package post-installation script subprocess returned error exit status 1

[Alessandro Manuelli]

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ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: memtest86+ 5.01-3.1ubuntu2.1
ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.9
Architecture: amd64
CasperMD5CheckResult: skip
Date: Fri Oct 2 12:33:31 2020
ErrorMessage: installed memtest86+ package post-installation script subprocess returned error exit status 1
InstallationDate: Installed on 2015-02-16 (2054 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.18rc1, python-is-python2, 2.7.17-4
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.2ubuntu0.1
SourcePackage: memtest86+
Title: package memtest86+ 5.01-3.1ubuntu2.1 failed to install/upgrade: installed memtest86+ package post-installation script subprocess returned error exit status 1
UpgradeStatus: Upgraded to focal on 2020-10-02 (0 days ago)

[Launchpad Janitor (janitor)]

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

[Fantu (fantonifabio)]

hi, I saw some different cases where upgrade or dist-upgrade fails for issue/unexpected cases on memtest86+ postinst.
One should be solved in 5.01-4 and 2 was solved in ubuntu patches now merged in recent debian versions (5.31b+dfsg-1 and 5.31b+dfsg-4) and are now all in Jammy version (5.31b+dfsg-4).
I did some upgrade tests with latest version on both debian and ubuntu without issues, but I'm not sure that there will be anymore in any case, especially some rare/particular ones.

Is there someone that already do upgrade to latest version (5.31b+dfsg-4) or dist-upgrade that include upgrade to that version in the process that can tell me is had issues please?
Is there someone that did or will do same upgrade with root on lvm (with/without snapshot) ad other more rare cases that can tell me if upgrade/dist-upgrade was ok please? (in that cases can tell me also if ok and not only failed)

Thanks for any reply and sorry for my bad english