[Bug 1072444] Re: Cannot upgrade from 12.04 to 12.10

[Brian Murray]

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

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https://bugs.launchpad.net/bugs/1072444

Title:
  Cannot upgrade from 12.04 to 12.10

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

Bug description:
  During the upgrade process, after the "Calculating the changes" step I
  get the following error message:

  An unresolvable problem occurred while calculating the upgrade: 
  E:Error, pkgProblemResolver::Resolve generated breaks, this may be 
  caused by held packages. 

  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

  ...and the upgrade process stops.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.11
  ProcVersionSignature: Ubuntu 3.2.0-32.51-generic-pae 3.2.30
  Uname: Linux 3.2.0-32-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu14
  Architecture: i386
  Date: Sun Oct 28 21:01:46 2012
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1351350848
   com.ubuntu.update-manager window-height 600
   com.ubuntu.update-manager window-width 600
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2012-10-28 (0 days ago)
  VarLogDistupgradeAptclonesystemstate.tar.gz: Error: [Errno 13] Permission denied: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'

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