[Bug 890901] Re: Tried to upgrade from a fully up-to-date 11.04 to 11.10 using update-manager. Get 'Could not calculate the upgrade' error.

[Aslakj]

I removed all packages originating from anywhere but primary natty
sources, update-manager again and then the upgrade went through. The
resulting system was unable to display a loginscreen (fixed by
installing a login manager), VMWare Player broke (fixed by installing
newest version), eog segfaults on startup and gnome-shell doesn't work
(apparently due to me running the official nvidia driver). But all in
all I have a useable system.

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Title:
  Tried to upgrade from a fully up-to-date 11.04 to 11.10 using update-
  manager. Get 'Could not calculate the upgrade' error.

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

Bug description:
  Do note: I _do_ have unofficial packages installed, but so does
  everybody. If that is a problem for update-manager then it should
  offer to uninstall them like earlier versions did so successfully.

  Full 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.

  $ apt-cache policy update-manager
  update-manager:
    Installed: 1:0.150.5
    Candidate: 1:0.152.25.4
    Version table:
       1:0.152.25.4 0
          500 http://dk.archive.ubuntu.com/ubuntu/ oneiric-updates/main amd64 Packages
       1:0.152.25 0
          500 http://dk.archive.ubuntu.com/ubuntu/ oneiric/main amd64 Packages
   *** 1:0.150.5 0
          100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: update-manager 1:0.150.5
  ProcVersionSignature: Ubuntu 2.6.38-12.51-generic 2.6.38.8
  Uname: Linux 2.6.38-12-generic x86_64
  NonfreeKernelModules: nvidia wl
  Architecture: amd64
  Date: Tue Nov 15 23:51:16 2011
  GConfNonDefault:
   /apps/update-manager/check_new_release_ignore=oneiric
   /apps/update-manager/first_run=false
   /apps/update-manager/show_details=true
   /apps/update-manager/window_size=(600,600)
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
  PackageArchitecture: all
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_DK.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to natty on 2011-11-15 (0 days ago)
  VarLogDistupgradeApttermlog:
   
  VarLogDistupgradeHistorylog:
   
  VarLogDistupgradeTermlog:

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