[Bug 1574366] [NEW] system upgrade it might not be possible with some packages

[Laszlo Koroknai]

Public bug reported:

The update failed Preparation

Unsolvable problem occurred during the update.

This could have been caused as follows:
* Updates to Ubuntu a pre-release version
* To run the Ubuntu version of a pre-release
* Unofficial packages that are not in the Ubuntu provides

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: ubuntu-release-upgrader-core 1:15.10.14.4
ProcVersionSignature: Ubuntu 4.2.0-35.40-generic 4.2.8-ckt5
Uname: Linux 4.2.0-35-generic i686
ApportVersion: 2.19.1-0ubuntu5
Architecture: i386
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Sun Apr 24 21:07:16 2016
InstallationDate: Installed on 2011-10-26 (1641 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to wily on 2016-04-24 (0 days ago)

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
     Assignee: Laszlo Koroknai (korlasz)
         Status: New


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

** Changed in: ubuntu-release-upgrader (Ubuntu)
     Assignee: (unassigned) => Laszlo Koroknai (korlasz)

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https://bugs.launchpad.net/bugs/1574366

Title:
  system upgrade it might not be possible with some packages

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

Bug description:
  The update failed Preparation

  Unsolvable problem occurred during the update.

  This could have been caused as follows:
  * Updates to Ubuntu a pre-release version
  * To run the Ubuntu version of a pre-release
  * Unofficial packages that are not in the Ubuntu provides

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: ubuntu-release-upgrader-core 1:15.10.14.4
  ProcVersionSignature: Ubuntu 4.2.0-35.40-generic 4.2.8-ckt5
  Uname: Linux 4.2.0-35-generic i686
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: i386
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sun Apr 24 21:07:16 2016
  InstallationDate: Installed on 2011-10-26 (1641 days ago)
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to wily on 2016-04-24 (0 days ago)

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