[Bug 1920829] Re: do-release-upgrade fails complaining of held broken packages that apt-get upgrade or dist-upgrade does not report

[Allan W. Macdonald]

@Chris:

Thank you for your suggestion; I will go to those sites and inquire
further.

Nevertheless, when the release upgrade process was terminated, the
terminal output did include the recommendation to "please report this
bug." I presume that this recommendation was put there so that the
maintainers may be able to identify potential issues that may correct
this kind of behaviour in the future.

If I find from elsewhere that it was somehow my fault that this is
happening, I will gladly return here to mark this bug as "Invalid" but,
for now, I am assuming that this behaviour is due to some error in the
software since the cause is not at all obvious.  In any case, I am
willing to defer the "nuclear option" (i.e. re-install the OS) until a
definite cause of the issue can be found.

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https://bugs.launchpad.net/bugs/1920829

Title:
  do-release-upgrade fails complaining of held broken packages that apt-
  get upgrade or dist-upgrade does not report

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

Bug description:
  I purged all ppas in the /etc/apt/sources.list.d/ (the directory is empty)
  When I run "sudo apt-get --fix-missing upgrade" nothing happens

  In any case, I can't figure this stuff out anyway - I need an expert
  to debug this!

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.42
  ProcVersionSignature: Ubuntu 5.3.0-7648.41~1586790036~18.04~600aeb5~dev-generic 5.3.18
  Uname: Linux 5.3.0-7648-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Mar 22 18:04:23 2021
  InstallationDate: Installed on 2018-08-24 (940 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-03-22 (0 days ago)

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