[Bug 1278372] Re: do-release-upgrade crashed with AssertionError in confirmChanges()

[Sebastien Bacher]

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

** This bug has been marked a duplicate of bug 1294124
   do-release-upgrade crashed with AssertionError in confirmChanges()

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https://bugs.launchpad.net/bugs/1278372

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

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

Bug description:
  while upgrading Linux version, i got this error.

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.210
  ProcVersionSignature: Ubuntu 3.13.0-8.27-generic 3.13.2
  Uname: Linux 3.13.0-8-generic i686
  ApportVersion: 2.13.2-0ubuntu2
  Architecture: i386
  CrashDB: ubuntu
  Date: Mon Feb 10 15:18:44 2014
  ExecutablePath: /usr/bin/do-release-upgrade
  InstallationDate: Installed on 2013-06-07 (247 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424)
  InterpreterPath: /usr/bin/python3.3
  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
  SystemImageInfo: Error: [Errno 2] No such file or directory: 'system-image-cli'
  Title: do-release-upgrade crashed with AssertionError in confirmChanges()
  UpgradeStatus: Upgraded to trusty on 2014-01-17 (24 days ago)
  UserGroups: lp lpadmin

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