[Bug 1911607] Re: uprage 14.04 to 16.04 on 32-bit machine failed

[Ubuntu Foundations Team Bug Bot]

** Tags added: trusty2xenial

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https://bugs.launchpad.net/bugs/1911607

Title:
  uprage 14.04 to 16.04 on 32-bit machine failed

Status in ubuntu-release-upgrader package in Ubuntu:
  Incomplete

Bug description:
  I'm attempring to upgrade from Ubuntu 14.04 to 16.04, after Mattia
  Rizzolo pointed out to me that 16.04 is OK for 32-bit machines.

  The message from Distribution Upggrade was 
  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

   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

  I do use a few non-Ubuntu packages, how can I discover which ones are
  causing the problem, please?

  Cheers, Nevil  (and thanks very much for your support)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.11
  ProcVersionSignature: Ubuntu 4.4.0-148.174~14.04.1-generic 4.4.177
  Uname: Linux 4.4.0-148-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.29
  Architecture: i386
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Thu Jan 14 16:41:06 2021
  InstallationDate: Installed on 2016-05-13 (1706 days ago)
  InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release i386 (20160217.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2021-01-14 (0 days ago)
  VarLogDistupgradeTermlog:

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