[Bug 1782849] Re: Release Upgrader unable to determine upgrade 17.10 -> 18.04

[Brian Murray]

*** This bug is a duplicate of bug 1069133 ***
    https://bugs.launchpad.net/bugs/1069133

Reviewing the files from your upgrade attempt you seem to have enabled a
PPA that provides Xorg packages. This will prevent the upgrade as that
PPA contains package version numbers greater than the release to which
you are upgrading. You can revert the PPA by installing the ppa-purge
package from the official Ubuntu archive and then running 'sudo ppa-
purge oibaf'.  After that you try upgrading and again and if it still
fails open a new bug report.  Thanks and good luck!

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

** Tags added: ppa xorg-oibaf-ppa

** This bug has been marked a duplicate of bug 1069133
   Get upgrade error 12.04 - 12.10 "Could not determine upgrade" - xorg from ppa

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https://bugs.launchpad.net/bugs/1782849

Title:
  Release Upgrader unable to determine upgrade 17.10 -> 18.04

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

Bug description:
  I tried running the upgrade, and it failed with this error. I saw the
  other bug https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-
  upgrader/+bug/1767436 that seemed to be a related issue, however I
  went back and manually disabled any third-party repos I had setup in
  the sources list and tried again, to no avail. I got the same exact
  error after disabling those repos.

  I was also previously using the
  https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers but I
  used `ppa-purge` to remove this before attempting the upgrade, as I've
  heard that it can cause a broken machine if not removed first.

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: ubuntu-release-upgrader-core 1:17.10.11
  ProcVersionSignature: Ubuntu 4.13.0-46.51-generic 4.13.16
  Uname: Linux 4.13.0-46-generic x86_64
  NonfreeKernelModules: talpa_vfshook talpa_pedconnector talpa_pedevice talpa_vcdevice talpa_core talpa_linux talpa_syscallhook nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.7-0ubuntu3.9
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Fri Jul 20 17:20:23 2018
  InstallationDate: Installed on 2017-11-08 (254 days ago)
  InstallationMedia: Kubuntu 17.10 "Artful Aardvark" - Release amd64 (20171017.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to artful on 2018-07-20 (0 days ago)

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