[Bug 1877791] Re: Error during do-release-upgrade -d

[Didier Trosset]

Update successful.
Now running focal.
Thanks.

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https://bugs.launchpad.net/bugs/1877791

Title:
  Error during do-release-upgrade -d

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

Bug description:
  I tried to remove packages skypeforlinux and zoom that were installed,
  but without success.

  $ sudo do-release-upgrade -d
  Checking for a new Ubuntu release
  Get:1 Upgrade tool signature [1 554 B]                                                                                                                       
  Get:2 Upgrade tool [1 342 kB]                                                                                                                                
  Fetched 1 343 kB in 0s (0 B/s)                                                                                                                               
  authenticate 'focal.tar.gz' against 'focal.tar.gz.gpg' 
  extracting 'focal.tar.gz'

  Reading cache

  Checking package manager
  Reading package lists... Done
  Building dependency tree        
  Reading state information... Done
  Hit http://fr.archive.ubuntu.com/ubuntu bionic InRelease                                                                                                     
  Hit http://fr.archive.ubuntu.com/ubuntu bionic-updates InRelease                                                                                             
  Hit http://fr.archive.ubuntu.com/ubuntu bionic-backports InRelease                                                                                           
  Ign http://dl.google.com/linux/chrome/deb stable InRelease                                                                                                   
  Hit http://dl.google.com/linux/chrome/deb stable Release                                                                                                     
  Hit https://repo.skype.com/deb stable InRelease                                                                                                              
  Get:1 http://security.ubuntu.com/ubuntu bionic-security InRelease [88,7 kB]                                                                                  
  Fetched 88,7 kB in 0s (0 B/s)                                                                                                                                
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done

  Checking for installed snaps

  Calculating snap size requirements

  Updating repository information

  Third party sources disabled

  Some third party entries in your sources.list were disabled. You can 
  re-enable them after the upgrade with the 'software-properties' tool 
  or your package manager. 

  To continue please press [ENTER]

  Hit http://fr.archive.ubuntu.com/ubuntu focal InRelease                                                                                                      
  Hit http://fr.archive.ubuntu.com/ubuntu focal-updates InRelease                                                                                              
  Hit http://fr.archive.ubuntu.com/ubuntu focal-backports InRelease                                                                                            
  Get:1 http://security.ubuntu.com/ubuntu focal-security InRelease [107 kB]                                                                                    
  Fetched 107 kB in 0s (0 B/s)                                                                                                                                 
  Checking package manager
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done

  Calculating the changes

  Calculating the changes

  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

  This was likely caused by: 
  * Unofficial software packages not provided by Ubuntu 
  Please use the tool 'ppa-purge' from the ppa-purge 
  package to remove software from a Launchpad PPA and 
  try the upgrade again. 

  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'. 

  
  Restoring original system state

  Aborting
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.37
  ProcVersionSignature: Ubuntu 5.3.0-51.44~18.04.2-generic 5.3.18
  Uname: Linux 5.3.0-51-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.14
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Sat May  9 23:02:52 2020
  InstallationDate: Installed on 2019-08-20 (263 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-05-09 (0 days ago)

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