[Bug 1309199] Re: could not calculate the upgrade 13.10 to 14.04

[Jean-Baptiste Lallement]

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/1309199

Title:
  could not calculate the upgrade 13.10 to 14.04

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

Bug description:
  I want to upgrade from 13.10 to 14.04 by `sudo update-manager -d`. And
  already disabled all of the third party repos, the upgrader still
  encountered an error dialog said "could not calculate the upgrade".

  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: Thu Apr 17 15:44:25 2014
  InstallationDate: Installed on 2014-03-20 (28 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 2014-04-17 (0 days ago)
  VarLogDistupgradeTermlog:

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