[Bug 1313080] [NEW] upgrade fails to go beyond "calculating changes"

[Bruno A. Regno]

*** This bug is a duplicate of bug 1069133 ***
    https://bugs.launchpad.net/bugs/1069133

Public bug reported:

Either GUI Software Update tool or "do-release-upgrade" fail to go
beyond the "calculation changes" stage and end up rolling back to the
start point and exiting. This is going from Ubuntu Studio 13.10 to
14.01. Another similar upgrade was performed without a problem.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: ubuntu-release-upgrader-core 1:0.205.6
ProcVersionSignature: Ubuntu 3.8.0-33.25-lowlatency 3.8.13.11
Uname: Linux 3.8.0-33-lowlatency i686
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: i386
CrashDB: ubuntu
Date: Sat Apr 26 07:16:37 2014
InstallationDate: Installed on 2013-09-06 (232 days ago)
InstallationMedia: Ubuntu-Studio 13.04 "Raring Ringtail" - Release i386 (20130424)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=es_PA:es
 TERM=xterm
 PATH=(custom, no user)
 LANG=es_PA.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to saucy on 2014-04-26 (0 days ago)

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: Invalid


** Tags: apport-bug dist-upgrade i386 ppa saucy third-party-packages xorg-edgers-ppa

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https://bugs.launchpad.net/bugs/1313080

Title:
  upgrade fails to go beyond "calculating changes"

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

Bug description:
  Either GUI Software Update tool or "do-release-upgrade" fail to go
  beyond the "calculation changes" stage and end up rolling back to the
  start point and exiting. This is going from Ubuntu Studio 13.10 to
  14.01. Another similar upgrade was performed without a problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: ubuntu-release-upgrader-core 1:0.205.6
  ProcVersionSignature: Ubuntu 3.8.0-33.25-lowlatency 3.8.13.11
  Uname: Linux 3.8.0-33-lowlatency i686
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: i386
  CrashDB: ubuntu
  Date: Sat Apr 26 07:16:37 2014
  InstallationDate: Installed on 2013-09-06 (232 days ago)
  InstallationMedia: Ubuntu-Studio 13.04 "Raring Ringtail" - Release i386 (20130424)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=es_PA:es
   TERM=xterm
   PATH=(custom, no user)
   LANG=es_PA.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to saucy on 2014-04-26 (0 days ago)

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