[Bug 1898937] [NEW] Update to LTS failed using do-release-upgrade

[Ian Murphy]

Public bug reported:

I tried both the command 'do-release-upgrade' and using the software upgrader GUI.
It informed me that there were 3rd party repositories that needed to be removed, so
using ppa-purge, I removed all that I could. Then, went into the software settings and
removed all the rest. I unchecked the boxes for everything except the main, universe, and even canonical's partner respositories but the upgrade to the newest LTS still failed

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.38
ProcVersionSignature: Ubuntu 5.4.0-48.52~18.04.1-generic 5.4.60
Uname: Linux 5.4.0-48-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.18
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: GNOME-Flashback:GNOME
Date: Wed Oct  7 17:38:37 2020
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-10-07 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic dist-upgrade third-party-packages

** Attachment added: "Screenshot from 2020-10-07 17-47-31.png"
   https://bugs.launchpad.net/bugs/1898937/+attachment/5419147/+files/Screenshot%20from%202020-10-07%2017-47-31.png

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https://bugs.launchpad.net/bugs/1898937

Title:
  Update to LTS failed using do-release-upgrade

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

Bug description:
  I tried both the command 'do-release-upgrade' and using the software upgrader GUI.
  It informed me that there were 3rd party repositories that needed to be removed, so
  using ppa-purge, I removed all that I could. Then, went into the software settings and
  removed all the rest. I unchecked the boxes for everything except the main, universe, and even canonical's partner respositories but the upgrade to the newest LTS still failed

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.38
  ProcVersionSignature: Ubuntu 5.4.0-48.52~18.04.1-generic 5.4.60
  Uname: Linux 5.4.0-48-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: GNOME-Flashback:GNOME
  Date: Wed Oct  7 17:38:37 2020
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-10-07 (0 days ago)
  VarLogDistupgradeTermlog:

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