[Bug 1542084] Re: do-release-upgrade crashed with AttributeError in run(): 'apt_pkg.PackageManager' object has no attribute 'ResultFailed'

[Apport retracing service]

*** This bug is a duplicate of bug 1540017 ***
    https://bugs.launchpad.net/bugs/1540017

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #1540017, so is being marked as such.  Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** Tags removed: need-duplicate-check

** Changed in: ubuntu-release-upgrader (Ubuntu)
   Importance: Undecided => Medium

** Attachment removed: "ProcMaps.txt"
   https://bugs.launchpad.net/bugs/1542084/+attachment/4564176/+files/ProcMaps.txt

** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/1542084/+attachment/4564177/+files/ProcStatus.txt

** This bug has been marked a duplicate of private bug 1540017

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1542084

Title:
  do-release-upgrade crashed with AttributeError in run():
  'apt_pkg.PackageManager' object has no attribute 'ResultFailed'

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

Bug description:
  ...

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.4
  ProcVersionSignature: Ubuntu 4.4.0-2.16-generic 4.4.0
  Uname: Linux 4.4.0-2-generic x86_64
  NonfreeKernelModules: nvidia_uvm wl nvidia
  ApportVersion: 2.19.4-0ubuntu2
  Architecture: amd64
  CrashDB: ubuntu
  Date: Thu Feb  4 21:09:12 2016
  ExecutablePath: /usr/bin/do-release-upgrade
  InstallationDate: Installed on 2016-01-29 (6 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160127)
  InterpreterPath: /usr/bin/python3.5
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/lib/ubuntu-release-upgrader/do-partial-upgrade --frontend=DistUpgradeViewGtk3
  ProcEnviron:
   SHELL=/bin/bash
   LANG=sv_SE.UTF-8
   LANGUAGE=sv
   PATH=(custom, no user)
  PythonArgs: ['/usr/bin/do-release-upgrade', '--frontend=DistUpgradeViewGtk3']
  SourcePackage: ubuntu-release-upgrader
  Title: do-release-upgrade crashed with AttributeError in run(): 'apt_pkg.PackageManager' object has no attribute 'ResultFailed'
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  VarLogDistupgradeTermlog:

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