Public bug reported:
Current distro:
Description: Ubuntu 18.04.5 LTS
Release: 18.04
Started distro upgrade to 20.04 - error and stalled at setting new
software channels
Could not calculate the upgrade
An unresolvable problem occurred while calculating the upgrade.
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'.
see main.log attached
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.44
ProcVersionSignature: Ubuntu 4.15.0-143.147-generic 4.15.18
Uname: Linux 4.15.0-143-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.23
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: XFCE
Date: Mon May 17 21:58:37 2021
InstallationDate: Installed on 2021-04-13 (34 days ago)
InstallationMedia: ChaletOS 16.04 - Release amd64
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2021-05-18 (0 days ago)
VarLogDistupgradeTermlog:
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic dist-upgrade third-party-packages
** Attachment added: "apport.ubuntu-release-upgrader-core.kolmo0wx.apport"
https://bugs.launchpad.net/bugs/1928743/+attachment/5498366/+files/apport.ubuntu-release-upgrader-core.kolmo0wx.apport
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https://bugs.launchpad.net/bugs/1928743
Title:
started the 20.xx upgrade, allowed to start adn crashed ould not
calculate the upgrade An unresolvable problem occurred while
calculating the upgrade. 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'
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+bug/1928743/+subscriptions
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