impossible to upgrade from ubuntu 18 to ubuntu 20

Bug #1903393 reported by Varjabedian

This bug report was converted into a question: question #693906: impossible to upgrade from ubuntu 18 to ubuntu 20.

6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubuntu-release-upgrader (Ubuntu)
Invalid
Undecided
Unassigned

Bug Description

I'm trying to upgrade from ubuntu 18 to ubuntu 20.04 and i have allways a problem.
Impossible d'évaluer la mise à niveau

Un problème insoluble est survenu lors du calcul de 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 ».

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.40
ProcVersionSignature: Ubuntu 4.15.0-122.124-generic 4.15.18
Uname: Linux 4.15.0-122-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.19
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Sat Nov 7 15:49:09 2020
InstallationDate: Installed on 2013-05-19 (2728 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-11-07 (0 days ago)
VarLogDistupgradeTermlog:

modified.conffile..etc.update-manager.release-upgrades: [modified]
mtime.conffile..etc.update-manager.release-upgrades: 2020-10-30T13:48:38.252423

Revision history for this message
Varjabedian (mathsman59) wrote :
Revision history for this message
Varjabedian (mathsman59) wrote :

Any idea?

Changed in ubuntu-release-upgrader (Ubuntu):
status: New → Invalid
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