[Bug 1904867] Re: Upgrade Ubuntu 20 crashed

[Brian Murray]

*** This bug is a duplicate of bug 1898152 ***
    https://bugs.launchpad.net/bugs/1898152

** This bug has been marked a duplicate of bug 1898152
   upgrade fails to calculate if gnuradio-dev is installed

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https://bugs.launchpad.net/bugs/1904867

Title:
  Upgrade Ubuntu 20 crashed

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

Bug description:
  Usolvable Problem: System updates couldn't been determined.

  
  Sorry, actual message might sound different in English. I got the German message:

  "Es konnte nicht ermittelt werden, welche Systemaktualisierungen
  verfügbar sind

  Ein unlösbares Problem trat während der Berechnung der
  Systemaktualisierung auf.

   Wenn keine dieser zutrifft, melden Sie bitte den Fehler mithilfe des
  Befehls 'ubuntu-bug ubuntu-release-upgrader-core' in einem Terminal.
  Wenn Sie dies selbst untersuchen möchten, finden Sie in den
  Protokolldateien unter »/var/log/dist-upgrade« Details zur
  Systemaktualisierung. Schauen Sie sich insbesondere »main.log« und
  »apt.log« an."

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.40
  ProcVersionSignature: Ubuntu 5.4.0-54.60~18.04.1-generic 5.4.65
  Uname: Linux 5.4.0-54-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.9-0ubuntu7.20
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Nov 19 11:52:46 2020
  InstallationDate: Installed on 2019-09-26 (419 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-11-19 (0 days ago)
  VarLogDistupgradeTermlog:

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