Public bug reported:
Description: Ubuntu 16.04.7 LTS
Release: 16.04
-----------------------------------------------------------------------------
AppStream cache update completed, but some metadata was ignored due to
errors.
Verificando o Gerenciador de pacotes
Lendo listas de pacotes... Feito
Construindo árvore de dependências
Lendo informação de estado... Feito
Calculando as mudanças
Calculando as mudanças
Não foi possível calcular a atualização
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.
Se nada disso se aplicar, relate esse erro usando o comando
'ubuntu-bug ubuntu-release-upgrader-core' no 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'.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-release-upgrader-core 1:16.04.30
ProcVersionSignature: Ubuntu 4.4.0-187.217-generic 4.4.230
Uname: Linux 4.4.0-187-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.24
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Sat Aug 22 16:43:04 2020
InstallationDate: Installed on 2016-08-29 (1454 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to xenial on 2020-08-22 (0 days ago)
** Affects: ubuntu-release-upgrader (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug dist-upgrade third-party-packages xenial xenial2bionic
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https://bugs.launchpad.net/bugs/1892596
Title:
Problem on ubuntu upgrade from 16.04 to 18.04
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