[Bug 1311768] [NEW] upgrader refuses to continue after calculating the changes: "An unresolvable problem occurred while calculating the upgrade"

[docdoob]

Public bug reported:

daily updates are still successful

ProblemType: Bug
DistroRelease: Debian GNU/Linux 7
Package: ubuntu-release-upgrader-core 1:0.205.6 [origin: Ubuntu]
ProcVersionSignature: Ubuntu 3.11.0-19.33-generic 3.11.10.5
Uname: Linux 3.11.0-19-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: i386
CrashDB: ubuntu
Date: Wed Apr 23 16:52:04 2014
InstallationDate: Installed on 2012-07-13 (649 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to saucy on 2014-04-23 (0 days ago)
VarLogDistupgradeTermlog:

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


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

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https://bugs.launchpad.net/bugs/1311768

Title:
  upgrader refuses to continue after calculating the changes: "An
  unresolvable problem occurred while calculating the upgrade"

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

Bug description:
  daily updates are still successful

  ProblemType: Bug
  DistroRelease: Debian GNU/Linux 7
  Package: ubuntu-release-upgrader-core 1:0.205.6 [origin: Ubuntu]
  ProcVersionSignature: Ubuntu 3.11.0-19.33-generic 3.11.10.5
  Uname: Linux 3.11.0-19-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: i386
  CrashDB: ubuntu
  Date: Wed Apr 23 16:52:04 2014
  InstallationDate: Installed on 2012-07-13 (649 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to saucy on 2014-04-23 (0 days ago)
  VarLogDistupgradeTermlog:

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