[Bug 1007314] Re: trying to upgrade from 11.10 to 12.04: The package 'postgresql-contrib-8.2' is marked for removal but it's in the removal blacklist

[Steve Langasek]

On Wed, Jul 18, 2012 at 05:13:37AM -0000, Martin Pitt wrote:
>  - Don't disable PPAs during upgrades, but instead rewrite their apt
> lines for the release to be upgraded to. This is a bold solution which
> will presumably also fix similar upgrade failures, but it might also
> introduce new failures.

Disabling ppas on upgrade is quite deliberate, since we have no control over
what packages might be in them that conflict with the tested upgrade path. 
This would definitely be trading a known bug for an unknown bug, we
shouldn't do this.

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https://bugs.launchpad.net/bugs/1007314

Title:
  trying to upgrade from 11.10 to 12.04: The package 'postgresql-
  contrib-8.2' is marked for removal but it's in the removal blacklist

Status in “update-manager” package in Ubuntu:
  Triaged
Status in “update-manager” source package in Precise:
  Triaged

Bug description:
  I was trying to upgrade from 11.10 to 12.04 using do-release-upgrade

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: update-manager (not installed)
  ProcVersionSignature: Ubuntu 3.0.0-20.34-generic-pae 3.0.30
  Uname: Linux 3.0.0-20-generic-pae i686
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  Date: Fri Jun  1 11:42:29 2012
  InstallationMedia: Ubuntu-Server 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.2)
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to oneiric on 2012-06-01 (0 days ago)

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