[Bug 1798814] Re: Could not determine the upgrade ubuntu 18.04 to 18.10 upgrade

[Brian Murray]

Thank you for taking the time to report this bug and helping to make
Ubuntu better. The error that you are a reporting is a conflict between
packages from the official Ubuntu archive and packages from a PPA. To
resolve this situation please deactivate PPAs using the tool 'ppa-purge'
which is provided by the ppa-purge package. Then try performing the
release upgrade again. Thanks in advance!

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Invalid

** Tags added: ppa-conflict

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https://bugs.launchpad.net/bugs/1798814

Title:
  Could not determine the upgrade ubuntu 18.04 to 18.10 upgrade

Status in ubuntu-release-upgrader package in Ubuntu:
  Invalid

Bug description:
  I'm trying to upgrade using the steps described in
  https://wiki.ubuntu.com/CosmicCuttlefish/ReleaseNotes#Upgrading_from_Ubuntu_18.04

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.27
  ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18
  Uname: Linux 4.15.0-36-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.4
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Oct 19 14:11:16 2018
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2017-11-02 (350 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2018-10-19 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update-manager.release-upgrades: 2018-10-19T14:00:54.244406

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