[Bug 1573998] Re: Failing do-release-upgrade due to unsupported packages are matching removal black list pattern

[Brian Murray]

*** This bug is a duplicate of bug 996916 ***
    https://bugs.launchpad.net/bugs/996916

** This bug has been marked a duplicate of bug 996916
   postgresql packages in the removal blacklist making it hard to upgrade

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https://bugs.launchpad.net/bugs/1573998

Title:
  Failing do-release-upgrade due to unsupported packages are matching
  removal black list pattern

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

Bug description:
  do-release-upgrade fails to upgrade to Ubuntu 16.04 from 15.10 because the packages
  postgresql-plpython-9.4 and postgresql-plperl-9.4 are not available on 16.04 but they are matching removal black list pattern ^postgresql-.*[0-9]\.[0-9].*

  
  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 x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CrashDB: ubuntu
  Date: Sat Apr 23 22:52:25 2016
  InstallationDate: Installed on 2015-10-17 (189 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20151016)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_AU:en
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to wily on 2016-04-23 (0 days ago)

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