[Bug 1961376] Re: Unable to complete Xenial to Cosmic release upgrade

[Chris Guiver]

Thank you for reporting this bug to Ubuntu.

Ubuntu 16.04 (xenial) reached end-of-standard-support on April 29, 2021.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested
in discussing it any more. But if you are then please upgrade to the
latest Ubuntu version and re-test. If you then find the bug is still
present in the newer Ubuntu version, please add a comment here telling
us which new version it is in.

Please note:  many of your web certificates are invalid on your machine
unless you enabled ESM to get updates; or manually backported the
updates yourself.  You may find more details on this link
(https://askubuntu.com/questions/1378534/update-the-certificates-on-
ubuntu-16-04-tls), but please note 16.04 is now EOL unless you have ESM
enabled.

Support sites maybe more appropriate, eg.
https://answers.launchpad.net/ubuntu. You can also find help with your
problem in the support forum of your local Ubuntu community
http://loco.ubuntu.com/ or asking at https://askubuntu.com or
https://ubuntuforums.org, or for more support options please look at
https://discourse.ubuntu.com/t/community-support/709  however do note as
16.04 is now completed it's public or community support period; you may
just be told to backup & re-install; as upgrade are now more complex due
to expired certificates etc.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1961376

Title:
  Unable to complete Xenial to Cosmic release upgrade

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

Bug description:
  There are no available/pending updates (except through ESM which I do
  not have a subscribtion to). There are no packages needing to be
  purged. I cannot upgrade releases because it the system complains that
  dependences for packages which aren't installed aren't being met.

  fdisk appears to be one of the choke points. IDK why it cannot figure
  out that it's not it's own package.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.32
  ProcVersionSignature: Ubuntu 4.4.0-210.242-generic 4.4.262
  Uname: Linux 4.4.0-210-generic x86_64
  NonfreeKernelModules: hcpdriver
  ApportVersion: 2.20.1-0ubuntu2.30
  Architecture: amd64
  CrashDB: ubuntu
  Date: Thu Feb 17 23:03:30 2022
  InstallationDate: Installed on 2017-04-26 (1759 days ago)
  InstallationMedia: Ubuntu-Server 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.3)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2022-02-18 (0 days ago)

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