[Bug 1496508] [NEW] unresolvable problem calculating upgrade

[fossil]

Public bug reported:

Upgrading from 12.04 to 14.04.  Removed all  (both) packages marked as
broken, using package manager.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.14.19
ProcVersionSignature: Ubuntu 3.2.0-56.86-generic-pae 3.2.51
Uname: Linux 3.2.0-56-generic-pae i686
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu17.9
Architecture: i386
Date: Mon Sep 14 04:40:57 2015
GsettingsChanges:
 
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
Symptom: ubuntu-release-upgrader-core
UpgradeStatus: Upgraded to precise on 2015-09-14 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug dist-upgrade i386 precise

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https://bugs.launchpad.net/bugs/1496508

Title:
  unresolvable problem calculating upgrade

Status in update-manager package in Ubuntu:
  New

Bug description:
  Upgrading from 12.04 to 14.04.  Removed all  (both) packages marked as
  broken, using package manager.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.19
  ProcVersionSignature: Ubuntu 3.2.0-56.86-generic-pae 3.2.51
  Uname: Linux 3.2.0-56-generic-pae i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu17.9
  Architecture: i386
  Date: Mon Sep 14 04:40:57 2015
  GsettingsChanges:
   
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2015-09-14 (0 days ago)
  VarLogDistupgradeTermlog:

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