[Bug 1710956] [NEW] E:Fehler: Unterbrechungen durch pkgProblemResolver::Resolve hervorgerufen; dies könnte durch zurückgehaltene Pakete verursacht worden sein.

[O. Plöttner]

Public bug reported:

I wanted to upgrade from 12.04 to 14.04 (as a first step to upgrade on 16.04 after that). 
The upgrade to 14.04 was started by Paketverwaltung but failed:
- First step of the upgrading process "Systemaktualisierungen werden vorbereitet" did work (got a tick mark).
- Second step "Neue Paketquellen werden eingerichtet" failed.
- Error message:
'E:Fehler: Unterbrechungen durch pkgProblemResolver::Resolve hervorgerufen; dies könnte durch zurückgehaltene Pakete verursacht worden sein.'


-----
Description:	Ubuntu 12.04.5 LTS
Release:	12.04

op at pc2:~$ apt-cache policy pkgname
N: Paket pkgname kann nicht gefunden werden

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.14.22
ProcVersionSignature: Ubuntu 3.2.0-126.169-generic 3.2.79
Uname: Linux 3.2.0-126-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.15
Architecture: amd64
Date: Tue Aug 15 18:41:04 2017
GsettingsChanges:
 com.ubuntu.update-manager check-new-release-ignore 'trusty'
 com.ubuntu.update-manager first-run false
 com.ubuntu.update-manager launch-time 1502814663
 com.ubuntu.update-manager window-height 538
 com.ubuntu.update-manager window-width 615
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
Symptom: ubuntu-release-upgrader-core
UpgradeStatus: Upgraded to precise on 2017-08-15 (0 days ago)
VarLogDistupgradeTermlog:

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


** Tags: amd64 apport-bug dist-upgrade precise running-unity third-party-packages

** Attachment added: "apt.log"
   https://bugs.launchpad.net/bugs/1710956/+attachment/4932981/+files/apt.log

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https://bugs.launchpad.net/bugs/1710956

Title:
  E:Fehler: Unterbrechungen durch pkgProblemResolver::Resolve
  hervorgerufen; dies könnte durch zurückgehaltene Pakete verursacht
  worden sein.

Status in update-manager package in Ubuntu:
  New

Bug description:
  I wanted to upgrade from 12.04 to 14.04 (as a first step to upgrade on 16.04 after that). 
  The upgrade to 14.04 was started by Paketverwaltung but failed:
  - First step of the upgrading process "Systemaktualisierungen werden vorbereitet" did work (got a tick mark).
  - Second step "Neue Paketquellen werden eingerichtet" failed.
  - Error message:
  'E:Fehler: Unterbrechungen durch pkgProblemResolver::Resolve hervorgerufen; dies könnte durch zurückgehaltene Pakete verursacht worden sein.'

  
  -----
  Description:	Ubuntu 12.04.5 LTS
  Release:	12.04

  op at pc2:~$ apt-cache policy pkgname
  N: Paket pkgname kann nicht gefunden werden

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.22
  ProcVersionSignature: Ubuntu 3.2.0-126.169-generic 3.2.79
  Uname: Linux 3.2.0-126-generic x86_64
  ApportVersion: 2.0.1-0ubuntu17.15
  Architecture: amd64
  Date: Tue Aug 15 18:41:04 2017
  GsettingsChanges:
   com.ubuntu.update-manager check-new-release-ignore 'trusty'
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1502814663
   com.ubuntu.update-manager window-height 538
   com.ubuntu.update-manager window-width 615
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2017-08-15 (0 days ago)
  VarLogDistupgradeTermlog:

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