[Bug 1300702] Re: do-release-upgrade crashed with AssertionError in confirmChanges()

[Apport retracing service]

*** This bug is a duplicate of bug 1294124 ***
    https://bugs.launchpad.net/bugs/1294124

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 #1294124, 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/1300702/+attachment/4057816/+files/ProcMaps.txt

** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/1300702/+attachment/4057817/+files/ProcStatus.txt

** This bug has been marked a duplicate of private bug 1294124

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1300702

Title:
  do-release-upgrade crashed with AssertionError in confirmChanges()

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

Bug description:
  con upgrade partial

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.219.2
  ProcVersionSignature: Ubuntu 3.13.0-20.42-generic 3.13.7
  Uname: Linux 3.13.0-20-generic x86_64
  ApportVersion: 2.14-0ubuntu1
  Architecture: amd64
  CrashDB: ubuntu
  Date: Tue Apr  1 12:43:03 2014
  ExecutablePath: /usr/bin/do-release-upgrade
  InstallationDate: Installed on 2013-08-10 (234 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  InterpreterPath: /usr/bin/python3.4
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/lib/ubuntu-release-upgrader/do-partial-upgrade --frontend=DistUpgradeViewGtk3
  PythonArgs: ['/usr/bin/do-release-upgrade', '--frontend=DistUpgradeViewGtk3']
  SourcePackage: ubuntu-release-upgrader
  Title: do-release-upgrade crashed with AssertionError in confirmChanges()
  UpgradeStatus: Upgraded to trusty on 2014-03-29 (2 days ago)
  UserGroups: root
  VarLogDistupgradeTermlog:

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