Failed upgrade from 18.04 LTS to 20.04 LTS

Bug #1926924 reported by nthu9280 on 2021-05-02

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

Bug Description

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'.

Restoring original system state


ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.44
ProcVersionSignature: Ubuntu 4.15.0-142.146-generic 4.15.18
Uname: Linux 4.15.0-142-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.23
Architecture: amd64
CrashDB: ubuntu
Date: Sun May 2 18:09:54 2021
InstallationDate: Installed on 2019-03-17 (777 days ago)
InstallationMedia: Xubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
PackageArchitecture: all
 PATH=(custom, no user)
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2021-05-02 (0 days ago)

nthu9280 (nthu9280) wrote :
Brian Murray (brian-murray) wrote :

Thanks for taking the time to report this upgrade failure. There is currently a new version of the release upgrader available in -proposed which may resolve the error you've encountered. Please run the following command to test the new version of the upgrader:

  do-release-upgrade -p

Please lets us know the results in this bug report. Thanks again and good luck!

Changed in ubuntu-release-upgrader (Ubuntu):
status: New → Incomplete
tags: added: lp-1928397
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