[Bug 1922637] Re: held broken packages trying to upgrade from Groovy to Hirsute (Xubuntu, MATE)

[Mike Kupfer]

This morning I tried removing xubuntu-core and xubuntu-desktop.  "apt
autoremove" showed nothing to remove.  I ran "update-manager -d" and got
to the window with the summary of changes (number of MB to download,
etc).  That is, I did not see the error that I get when ubuntu-mate-
core, ubuntu-mate-desktop, xubuntu-core, and xubuntu-desktop are all
installed.

** Summary changed:

- held broken packages trying to upgrade from Groovy to Hirsute (Xubuntu, MATE)
+ held broken packages trying to upgrade from Hirsute to Impish (Xubuntu, MATE)

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https://bugs.launchpad.net/bugs/1922637

Title:
  held broken packages trying to upgrade from Hirsute to Impish
  (Xubuntu, MATE)

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

Bug description:
  I have a VM that I've upgraded across several releases.  It was
  originally installed with Xubuntu; I forget what release.  It's been
  running Groovy (20.10) for a few months, and I recently (re)installed
  MATE.  I ran "update-manager -d" to upgrade to Hirsute beta.  It
  failed and suggested the problem might be transient.  But trying again
  a day or 2 later failed as well.  This time I checked the logs, and
  main.log shows complaints about held broken packages.  I don't
  currently have any broken packages (according to Synaptic), and "apt-
  mark showhold" displays nothing, so I assume this is a packaging
  problem related to the upgrade.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.10
  Package: ubuntu-release-upgrader-core 1:20.10.14
  ProcVersionSignature: Ubuntu 5.8.0-48.54-generic 5.8.18
  Uname: Linux 5.8.0-48-generic x86_64
  ApportVersion: 2.20.11-0ubuntu50.5
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: MATE
  Date: Mon Apr  5 21:15:00 2021
  InstallationDate: Installed on 2018-04-16 (1085 days ago)
  InstallationMedia: Xubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to groovy on 2021-04-06 (0 days ago)
  VarLogDistupgradeTermlog:
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu65.1
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 21.04
  InstallationDate: Installed on 2018-04-16 (1202 days ago)
  InstallationMedia: Xubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
  Package: ubuntu-release-upgrader (not installed)
  ProcVersionSignature: Ubuntu 5.11.0-25.27-generic 5.11.22
  Tags:  hirsute dist-upgrade
  Uname: Linux 5.11.0-25-generic x86_64
  UpgradeStatus: Upgraded to hirsute on 2021-08-01 (0 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  VarLogDistupgradeTermlog:
   
  _MarkForUpload: True

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