[Bug 1906097] [NEW] can not do a release upgrade from 18.04 to 20.04

Hans Winter 1906097 at bugs.launchpad.net
Sat Nov 28 07:39:48 UTC 2020


Public bug reported:

when runnuning 
do-release-upgrade -d -f DistUpgradeViewGtk3

upgrade installation fails


1) lsb_release -rd
Description:	Ubuntu 18.04.5 LTS
Release:	18.04

2) do-release-upgrade -d -f DistUpgradeViewGtk3

3) I expect getting upgraded from Ubuntu 18.04 to 20.04

4) Distribution upgrade fails:
Could not calculate the upgrade

An unresolvable problem occurred while calculating the upgrade.

 This was caused by:
 * Upgrading to a pre-release version of Ubuntu
This is most likely a transient problem, 
please try again later.
If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If you want to investigate this yourself the log files in '/var/log/dist-upgrade' will contain details about the upgrade. Specifically, look at 'main.log' and 'apt.log'.

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
Date: Sat Nov 28 08:33:13 2020
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2020-11-28 (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/1906097

Title:
  can not do a release upgrade from 18.04 to 20.04

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

Bug description:
  when runnuning 
  do-release-upgrade -d -f DistUpgradeViewGtk3

  upgrade installation fails

  
  1) lsb_release -rd
  Description:	Ubuntu 18.04.5 LTS
  Release:	18.04

  2) do-release-upgrade -d -f DistUpgradeViewGtk3

  3) I expect getting upgraded from Ubuntu 18.04 to 20.04

  4) Distribution upgrade fails:
  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

   This was caused by:
   * Upgrading to a pre-release version of Ubuntu
  This is most likely a transient problem, 
  please try again later.
  If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If you want to investigate this yourself the log files in '/var/log/dist-upgrade' will contain details about the upgrade. Specifically, look at 'main.log' and 'apt.log'.

  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
  Date: Sat Nov 28 08:33:13 2020
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-11-28 (0 days ago)
  VarLogDistupgradeTermlog:

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