[Bug 966886] Re: Cannot update from '11.04' to '11.10'

[Sheldon Chen]

** Attachment added: "main.log"
   https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/966886/+attachment/2953158/+files/main.log

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Title:
  Cannot update from '11.04' to '11.10'

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  I want to upgrade Ubuntu to version 11.10 through update manager but I fail.
  Here is the error message:

  Could not calculate the upgrade

  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

  If none of this applies, then please report this bug using the command
  'ubuntu-bug update-manager' in a terminal.

  Any Ubuntu master can help me?

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: update-manager 1:0.150.5.2
  ProcVersionSignature: Ubuntu 2.6.38-13.57-generic 2.6.38.8
  Uname: Linux 2.6.38-13-generic x86_64
  NonfreeKernelModules: fglrx
  Architecture: amd64
  Date: Wed Mar 28 17:40:15 2012
  EcryptfsInUse: Yes
  GConfNonDefault:
   /apps/update-manager/check_new_release_ignore=oneiric
   /apps/update-manager/first_run=false
   /apps/update-manager/window_size=(600,600)
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to natty on 2012-03-28 (0 days ago)

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