[Bug 1921798] Re: I think it couldn't estimate what was needed for the upgrade and said it couldn't proceed

[Neil Browne]

I did  that Ubuntu-release -upgrader -p. It asked me to install all available updates. So I typed sudo apt-get updates. It did 5 lines: 
Hit:1 http//mirror.intergrid.com.au/Ubuntu focal InRelease 
Hit:2 http//mirror.intergrid.com.auUbuntu focal-updates InRelease 
Hit:3 http//mirror.intergrid.com.auUbuntu focal-backports InRelease 
Hit:4 http//mirror.intergrid.com.auUbuntu focal-security InRelease 
Reading package lists... Done

I then went to software updates and got the same stuff about partial
upgrade or continue. So I gave up again.

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https://bugs.launchpad.net/bugs/1921798

Title:
  I think it couldn't estimate what was needed for the upgrade and said
  it couldn't proceed

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

Bug description:
  I have made several attempt to upgrade. I think the error massage is
  different each time. This is the second one where I have submitted a
  report as recommended.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.42
  ProcVersionSignature: Ubuntu 4.15.0-139.143-generic 4.15.18
  Uname: Linux 4.15.0-139-generic x86_64
  NonfreeKernelModules: lkp_Ubuntu_4_15_0_139_143_generic_75
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Mar 30 09:41:48 2021
  InstallationDate: Installed on 2017-04-11 (1448 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 2021-03-29 (0 days ago)
  VarLogDistupgradeTermlog:

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