Public bug reported:
Description: Ubuntu 18.04.5 LTS
Release: 18.04
I ran sudo do-release upgrade and expected to upgrade from 18.04 to
20.04. But this happened:
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
This was likely caused by:
* Unofficial software packages not provided by Ubuntu
Please use the tool 'ppa-purge' from the ppa-purge
package to remove software from a Launchpad PPA and
try the upgrade again.
If none of this applies, then please report this bug using the
command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If
you want to investigate this yourself the log files in
'/var/log/dist-upgrade' will contain details about the upgrade.
Specifically, look at 'main.log' and 'apt.log'.
I have looked at main.log and apt.log and removed some PPAs but it is
still failing and I am unable to figure out why.
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
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.18
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Tue Nov 3 10:23:38 2020
InstallationDate: Installed on 2017-05-30 (1252 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215.2)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-11-03 (0 days ago)
mtime.conffile..etc.update-manager.release-upgrades: 2020-10-24T23:41:44.118971
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic dist-upgrade
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https://bugs.launchpad.net/bugs/1902649
Title:
Unable to upgrade to 20.04.1 from 18.04.5
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