[Bug 1910292] [NEW] dist-upgrade not possible from 18.04 to 20

[André Rothe]

Public bug reported:

I cannot upgrade to a newer Ubuntu version with

update-manager -c -d

from 18.04. The process stops with an unexpected error.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.42
ProcVersionSignature: Ubuntu 4.15.0-129.132-generic 4.15.18
Uname: Linux 4.15.0-129-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.20.9-0ubuntu7.21
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: XFCE
Date: Tue Jan  5 23:01:11 2021
InstallationDate: Installed on 2015-04-17 (2090 days ago)
InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2021-01-05 (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/1910292

Title:
  dist-upgrade not possible from 18.04 to 20

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

Bug description:
  I cannot upgrade to a newer Ubuntu version with

  update-manager -c -d

  from 18.04. The process stops with an unexpected error.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.42
  ProcVersionSignature: Ubuntu 4.15.0-129.132-generic 4.15.18
  Uname: Linux 4.15.0-129-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.20.9-0ubuntu7.21
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: XFCE
  Date: Tue Jan  5 23:01:11 2021
  InstallationDate: Installed on 2015-04-17 (2090 days ago)
  InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-01-05 (0 days ago)
  VarLogDistupgradeTermlog:

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