[Bug 1883714] [NEW] Can't upgrade from 18.04 LTS to 20.04 LTS even though ppas are removed

[Terrence Pierre]

Public bug reported:

Can't upgrade from 18.04 LTS to 20.04 LTS even though ppas are removed

I've even used ppa-purge to remove any packages and replace them

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.37
ProcVersionSignature: Ubuntu 5.3.0-59.53~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-59-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.15
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Tue Jun 16 10:13:04 2020
InstallationDate: Installed on 2019-10-23 (237 days ago)
InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-06-16 (0 days ago)
VarLogDistupgradeTermlog:

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


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

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https://bugs.launchpad.net/bugs/1883714

Title:
  Can't upgrade from 18.04 LTS to 20.04 LTS even though ppas are removed

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

Bug description:
  Can't upgrade from 18.04 LTS to 20.04 LTS even though ppas are removed

  I've even used ppa-purge to remove any packages and replace them

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.37
  ProcVersionSignature: Ubuntu 5.3.0-59.53~18.04.1-generic 5.3.18
  Uname: Linux 5.3.0-59-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.9-0ubuntu7.15
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Jun 16 10:13:04 2020
  InstallationDate: Installed on 2019-10-23 (237 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-06-16 (0 days ago)
  VarLogDistupgradeTermlog:

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