[Bug 1917130] Re: Can't do release upgrade from 18.04 to 20.04 (maybe due to missing candidates for packages)

[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/1917130

Title:
  Can't do release upgrade from 18.04 to 20.04 (maybe due to missing
  candidates for packages)

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

Bug description:
  No candidate ver:  libperl5.22
  No candidate ver:  linux-image-4.13.0-32-generic
  No candidate ver:  linux-image-4.13.0-36-generic
  No candidate ver:  linux-image-4.13.0-37-generic
  No candidate ver:  linux-image-4.13.0-38-generic
  No candidate ver:  linux-image-4.13.0-39-generic
  No candidate ver:  linux-image-4.13.0-41-generic
  No candidate ver:  linux-image-4.13.0-43-generic
  No candidate ver:  linux-image-4.15.0-126-generic
  No candidate ver:  linux-image-extra-4.13.0-32-generic
  No candidate ver:  linux-image-extra-4.13.0-36-generic
  No candidate ver:  linux-image-extra-4.13.0-37-generic
  No candidate ver:  linux-image-extra-4.13.0-38-generic
  No candidate ver:  linux-image-extra-4.13.0-39-generic
  No candidate ver:  linux-image-extra-4.13.0-41-generic
  No candidate ver:  linux-image-extra-4.13.0-43-generic
  No candidate ver:  linux-modules-4.15.0-126-generic
  No candidate ver:  linux-modules-extra-4.15.0-126-generic
  No candidate ver:  lxc-common
  No candidate ver:  mariadb-client-10.0
  No candidate ver:  mariadb-server-10.0
  No candidate ver:  php7.0-curl
  No candidate ver:  postgresql-9.5

  ============================
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=18.04
  DISTRIB_CODENAME=bionic
  DISTRIB_DESCRIPTION="Ubuntu 18.04.5 LTS"

  ============================
  ubuntu-release-upgrader-core:
    Installiert:           1:18.04.42
    Installationskandidat: 1:18.04.42
    Versionstabelle:
   *** 1:18.04.42 500
          500 http://de.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
          500 http://de.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages
          100 /var/lib/dpkg/status
       1:18.04.17 500
          500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
          500 http://de.archive.ubuntu.com/ubuntu bionic/main i386 Packages

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.42
  ProcVersionSignature: Ubuntu 4.15.0-136.140-generic 4.15.18
  Uname: Linux 4.15.0-136-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  CrashDB: ubuntu
  Date: Sat Feb 27 10:32:18 2021
  PackageArchitecture: all
  ProcEnviron:
   TERM=screen-256color
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-02-27 (0 days ago)

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