[Bug 1589047] Re: Error upgrading to 16.04 Error during planing to upgrade

[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 different versions of packages essential to Ubuntu.  The
page, https://launchpad.net/~xorg-edgers/+archive/ppa, contains details
on to how to revert to the official Xorg packages for the xorg-edgers
PPA.  Instructions for reverting to official Xorg packages should be
similar for the PPA that you have enabled.

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

** Tags added: ppa xorg-edgers-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/1589047

Title:
  Error upgrading to 16.04 Error during planing to upgrade

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

Bug description:
  When I try to upgrade to kubuntu 16.04, I get the error: There was a fatal error in the planning
  of the upgrade

  This can be because of:

  - Upgrading to an unfinished version (obviously not, since 16.04 has been released)
  - Running an unfinished version (No, I am running 15.10)
  - Are dependent of unofficial packages that are not supported by ubuntu (Not sure, but I can't find any)

  I thought it was because of cinnamon that I had installed, but I get
  the same error after I removed it. And I used sudo apt-get autoremove
  after I removed it. Restarted as well.

  I have no clue why I can't upgrade. I have searched the net for
  similar problems, but could not find any other similar cases.

  I guess that I have 1 or more package installed that blocks the
  upgrade, but as I said, I have no clue which one(s).

  I hope someone here can find the problematic package, and let me know
  which one it is.

  Other weird thing is, I do not have ubuntu installed. After I got rid
  of cinnamon, the only ones left are kubuntu and ubuntu mate.

  Side-note, probably not the cause (but never know) I have Windows 10
  installed as well.

  If this is not a bug, please let me know. But please let me know how
  to fix this.

  This is so weird, I do not have ubuntu installed but that is the readout I get when using lsb_release -rd
  Description:    Ubuntu 15.10
  Release:        15.10

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: ubuntu-release-upgrader-core 1:15.10.14.4
  ProcVersionSignature: Ubuntu 4.2.0-36.42-generic 4.2.8-ckt8
  Uname: Linux 4.2.0-36-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Sat Jun  4 08:34:44 2016
  InstallationDate: Installed on 2015-04-29 (401 days ago)
  InstallationMedia: Kubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to wily on 2016-06-04 (0 days ago)

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