[Bug 873855] Re: Error "cannot calculate upgrade"

[Jean-Baptiste Lallement]

obsolete video drivers are holding back the upgrade. 
Could you please attach the files /var/lib/dpkg/status and /var/log/dist-upgrade/apt-clone_system_state.tar.gz to this report. Thanks.

** Changed in: update-manager (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/873855

Title:
  Error "cannot calculate upgrade"

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

Bug description:
  even after searching the web for errors of a similar sort no fixes are
  correcting the issue.  It just wont upgrade.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: update-manager 1:0.150.3
  ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
  Uname: Linux 2.6.38-11-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Thu Oct 13 23:44:34 2011
  GConfNonDefault: /apps/update-manager/check_new_release_ignore=
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US:en
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to natty on 2011-10-14 (0 days ago)

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