[Bug 1874720] [NEW] Upgrade from 18.04 to 20.04 stalls

[Pranesh Prakash]

Public bug reported:

It seems from /var/log/dist-upgrade/main.log that the problem might be
related to Python 2.7.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.37
ProcVersionSignature: Ubuntu 5.3.0-47.39~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-47-generic x86_64
NonfreeKernelModules: wireguard
ApportVersion: 2.20.9-0ubuntu7.14
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity:Unity7:ubuntu
Date: Fri Apr 24 16:50:18 2020
InstallationDate: Installed on 2016-05-02 (1453 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-04-24 (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/1874720

Title:
  Upgrade from 18.04 to 20.04 stalls

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

Bug description:
  It seems from /var/log/dist-upgrade/main.log that the problem might be
  related to Python 2.7.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.37
  ProcVersionSignature: Ubuntu 5.3.0-47.39~18.04.1-generic 5.3.18
  Uname: Linux 5.3.0-47-generic x86_64
  NonfreeKernelModules: wireguard
  ApportVersion: 2.20.9-0ubuntu7.14
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity:Unity7:ubuntu
  Date: Fri Apr 24 16:50:18 2020
  InstallationDate: Installed on 2016-05-02 (1453 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-04-24 (0 days ago)
  VarLogDistupgradeTermlog:

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