[Bug 1910945] Re: can't upgrade from 19.10

[Chris Guiver]

This comment is not bug related (but off-topic support).

For help in ensuring you packages are fully upgraded; refer to
https://help.ubuntu.com/community/EOLUpgrades

I don't have access to an eoan/19.10 system, and online package
databases are gone (having been EOL too now long), so I can't look up to
see if packages are 3rd party or Ubuntu repositories, so I'll just
suggest you 'upgrade via re-install'.

You can install using "Manual Partitioning", select your existing partition(s) and as long as you don't format, the installer will
- note your packages, 
- erase system directories (user configs for Lubuntu are stored in $HOME or user directory),
- install system,
- attempt to add-back additional packages you had install (if available in Ubuntu repositories for the new release)
- then ask to reboot. 

Even if you get a warning that some packages could not be restored (this
can occur for numerous reasons, eg. a dropped package as it relied on
python2, Qt4 or like deprecated toolkit for example), the warning is
rarely of concern.

If you have any support questions, I'll also provide the Lubuntu links
page https://lubuntu.me/links/  (you may find me there too)

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https://bugs.launchpad.net/bugs/1910945

Title:
  can't upgrade from 19.10

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

Bug description:
  similar to #934371 but even less detail.
  Was running "sudo do-release-upgrade"

  result

  "Calculating the changes

  Calculating the changes

  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

  If none of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If 
  you want to investigate this yourself the log files in 
  '/var/log/dist-upgrade' will contain details about the upgrade. 
  Specifically, look at 'main.log' and 'apt.log'. 

  
  Restoring original system state

  Aborting
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done"

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: ubuntu-release-upgrader-core 1:19.10.15.4 [origin: unknown]
  ProcVersionSignature: Ubuntu 5.3.0-64.58-generic 5.3.18
  Uname: Linux 5.3.0-64-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.9
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: LXQt
  Date: Mon Jan 11 14:14:40 2021
  InstallationDate: Installed on 2020-02-15 (331 days ago)
  InstallationMedia: Lubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to eoan on 2021-01-11 (0 days ago)

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