[Bug 1309520] Re: unable update 13.10 to 14.40

Fri Apr 18 13:26:28 UTC 2014

Reviewing the files from your upgrade attempt you seem to have enabled
the xorg-edgers-ppa. 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.

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

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https://bugs.launchpad.net/bugs/1309520

Title:
  unable update 13.10 to 14.40

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

Bug description:
  I keep being unable to update my Ubuntu 13.10 to 14.10.
  At first it was giving me errors about packages that "had no cache" (an example of this was a package named "zsnes", which I removed, afterwards the error didn't show up again), but now it hangs on "Calculating changes..." in the Distribution Update screen with the message:

  "Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

   This can be caused by:
   * Upgrading to a pre-release version of Ubuntu
   * Running the current pre-release version of Ubuntu
   * Unofficial software packages not provided by Ubuntu

  If none of this applies, then please report this bug using the command
  'ubuntu-bug ubuntu-release-upgrader-core' in a terminal."

  In advance to upgrading I had already disabled my xorg-edges PPA since that would cause trouble according to some.
  Also note: Between "Preparing for upgrade..." and "Setting new software channels..." it gives me a notice saying: 

  "Third party sources disabled

  Some third party entries in your sources.list were disabled. You can
  re-enable them after the upgrade with the 'software-properties' tool
  or your package manager."

  I'm unsure whether this is relevant or not but it might have something
  to do with it.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: ubuntu-release-upgrader-core 1:0.205.5
  ProcVersionSignature: Ubuntu 3.11.0-19.33-generic 3.11.10.5
  Uname: Linux 3.11.0-19-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  CrashDB: ubuntu
  Date: Fri Apr 18 14:50:36 2014
  InstallationDate: Installed on 2013-10-20 (179 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to saucy on 2014-04-18 (0 days ago)
  VarLogDistupgradeTermlog:

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