do-release-upgrade to focal failed due to non standard (undetectable) packages on the system !

[GB]

do-release-upgrade to focal failed because non standard (and non detectable) packages on the system.
>
sudo apt-mark unhold ...
sudo ppa-purge ...
sudo apt updated
sudo apt upgrade
sudo do-release-upgrade
...

Vérification du gestionnaire de paquets
Lecture des listes de paquets… Terminé
Construction de l'arbre des dépendances
Lecture des informations d'état… Terminé

Calcul des modifications en cours

Calcul des modifications en cours

Impossible d'évaluer la mise à niveau

Un problème insoluble est survenu lors du calcul de la mise à niveau.

Cela a probablement été causé par :
* des paquets logiciels non officiels qui ne proviennent pas
d’Ubuntu.
Veuillez utiliser la commande « ppa-purge » du paquet
« ppa-purge » afin de supprimer les paquets d’un
dépôt PPA Launchpad, puis essayez de relancer la mise à niveau.

Si rien de tout cela ne s'applique, signalez ce bogue à l'aide de la
commande « ubuntu-bug ubuntu-release-upgrader-core » dans un
terminal. Si vous souhaitez analyser le problème par vous-même, les
fichiers journaux contenus dans le répertoire « /var/log/dist-upgrade
» contiennent les informations sur la mise à niveau. Plus
précisément, veuillez consulter les journaux « main.log » et «
apt.log ».

Restauration du système dans son état d'origine

Annulation
Lecture des listes de paquets… Terminé
Construction de l'arbre des dépendances
Lecture des informations d'état… Terminé

=== Command detached from window (Sat Oct 3 14:40:18 2020) ===
=== Command terminated with exit status 1 (Sat Oct 3 14:40:28 2020) ===

Nothing wrong on cat /var/log/dist-upgrade/apt.log
cryptic error on /var/log/dist-upgrade/main.log
...
2020-10-03 14:40:15,979 ERROR Dist-upgrade failed: 'E:Erreur, pkgProblem::Resolve a généré des ruptures, ce qui a pu être causé par les paquets devant être gardés en l'état.'
...

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.38
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
NonfreeKernelModules: vtsspp sep5 socperf3 pax nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.17
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: MATE
Date: Sat Oct 3 14:47:18 2020
InstallationDate: Installed on 2017-03-07 (1305 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-10-03 (0 days ago)

[GB (querty)]

The system is ;
>$ lsb_release -a
LSB Version: core-9.20170808ubuntu1-noarch:printing-9.20170808ubuntu1-noarch:security-9.20170808ubuntu1-noarch
Distributor ID: Ubuntu
Description: Ubuntu 18.04.5 LTS
Release: 18.04
Codename: bionic

[Launchpad Janitor (janitor)]

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

[Brian Murray (brian-murray)]

Reviewing the files from your upgrade attempt you have installed nodejs from a location other than the offical Ubuntu archive. This version of nodejs is greater than the one in the official archive and is keeping some python packages installed which then prevents the upgrade from being calculated. Please remove nodejs along with any other packages from that archive and disable the archive. After that you can try upgrading again and if it still fails open a new bug report. Thanks and good luck!

[GB (querty)]

Hi Brian,

I did remove nodejs and related packages and I tried again.

The result is the same. I'll open a new bug report.

Where did you check to say nodejs was responsible?

Thanks.

Guillaume

Le 05/10/2020 à 23:50, Brian Murray a écrit :
> *** This bug is a duplicate of bug 1889250 ***
> https://bugs.launchpad.net/bugs/1889250
>
> Reviewing the files from your upgrade attempt you have installed nodejs
> from a location other than the offical Ubuntu archive. This version of
> nodejs is greater than the one in the official archive and is keeping
> some python packages installed which then prevents the upgrade from
> being calculated. Please remove nodejs along with any other packages
> from that archive and disable the archive. After that you can try
> upgrading again and if it still fails open a new bug report. Thanks and
> good luck!
>
> ** Changed in: ubuntu-release-upgrader (Ubuntu)
> Status: Confirmed => Invalid
>
> ** Tags added: nodesource-nodejs
>
> ** This bug has been marked a duplicate of bug 1889250
> Unable to calculate the upgrade to 20.04 due to nodejs from nodesource
>
--
Guillaume Ballet
https://keys.openpgp.org
<email address hidden>
36DAA9ACBCECCBBF15F7A53AF4F5B83C70C3788C

[Daniel Letzeisen (dtl131)]

VarLogDistupgradeAptlog.txt says:

Starting pkgProblemResolver with broken count: 4
Starting 2 pkgProblemResolver with broken count: 4
Investigating (0) nodejs:amd64 < 13.14.0-1nodesource1 @ii mK Ib >
Broken nodejs:amd64 Dépend on python-minimal:amd64 < 2.7.15~rc1-1 @ii gR >
  Considering python-minimal:amd64 1 as a solution to nodejs:amd64 507
  Added python-minimal:amd64 to the remove list
  Fixing nodejs:amd64 via keep of python-minimal:amd64
  MarkKeep python-minimal:amd64 < 2.7.15~rc1-1 @ii gR > FU=0

-------------------------------------------------------

In your case, libboost-python-dev and libboost-python1.65-dev may also be causing issues:

Broken libboost-python-dev:amd64 Dépend on libboost-python1.65-dev:amd64 < 1.65.1+dfsg-0ubuntu5 @ii mR >
  Considering libboost-python1.65-dev:amd64 -1 as a solution to libboost-python-dev:amd64 0
  Added libboost-python1.65-dev:amd64 to the remove list
  Fixing libboost-python-dev:amd64 via keep of libboost-python1.65-dev:amd64
  MarkKeep libboost-python1.65-dev:amd64 < 1.65.1+dfsg-0ubuntu5 @ii mR > FU=0