package libsndio7.0 1.8.1-1.1 failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/libsndio.so.7', which is also in package libsndio7:amd64 1.9.0-0.3~20.04.sav0

[Dave Bevan]

Arose when install ffmpeg.

ProblemType: Package
DistroRelease: Ubuntu 22.04
Package: libsndio7.0 1.8.1-1.1
ProcVersionSignature: Ubuntu 5.15.0-69.76-generic 5.15.87
Uname: Linux 5.15.0-69-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.4
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Fri Apr 14 10:30:34 2023
ErrorMessage: trying to overwrite '/usr/lib/x86_64-linux-gnu/libsndio.so.7', which is also in package libsndio7:amd64 1.9.0-0.3~20.04.sav0
InstallationDate: Installed on 2018-06-12 (1769 days ago)
InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
Python3Details: /usr/bin/python3.10, Python 3.10.6, python3-minimal, 3.10.6-1~22.04
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.21.1ubuntu2.1
 apt 2.4.8
SourcePackage: sndio
Title: package libsndio7.0 1.8.1-1.1 failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/libsndio.so.7', which is also in package libsndio7:amd64 1.9.0-0.3~20.04.sav0
UpgradeStatus: Upgraded to jammy on 2023-04-01 (15 days ago)

[Dave Bevan (dave-bevan)]

Machine had previously been a 16.04 LTS, then do-release-upgrade to 18, then 20 and 3 weeks ago, 22.04 LTS.

No non-LTS versions have been installed, ever. Each do-release-upgrade has been around 1 year or so after initial release - i.e. April 2019, 2021, and now 2023.