[Bug 1175364] Re: Trying to update from Ubuntu 12.04 to 12.10, But could not re calculate upgrade error occurs.

[Brian Murray]

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.

** Package changed: update-manager (Ubuntu) => ubuntu-release-upgrader
(Ubuntu)

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

** Tags added: ppa xorg-edgers-ppa

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https://bugs.launchpad.net/bugs/1175364

Title:
  Trying to update from Ubuntu 12.04 to 12.10, But could not re
  calculate upgrade error occurs.

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

Bug description:
  Description:	Ubuntu 12.04.2 LTS
  Release:	12.04

  w at j-XPS-L502X:~$ apt-cache policy pkgname
  N: Unable to locate package pkgname

  Expected to upgrade to Ubuntu 12.10

  Getting a could not calculate upgrade error.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.11
  ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
  Uname: Linux 3.5.0-18-generic i686
  NonfreeKernelModules: nvidia wl
  ApportVersion: 2.0.1-0ubuntu17.2
  Architecture: i386
  Date: Wed May  1 14:37:33 2013
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1367444018
   com.ubuntu.update-manager window-height 853
   com.ubuntu.update-manager window-width 846
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2013-05-01 (0 days ago)
  VarLogDistupgradeAptclonesystemstate.tar.gz: Error: [Errno 13] Permission denied: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'
  VarLogDistupgradeTermlog:

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