[Bug 1899729] Re: do-release-upgrade failed while calculating the upgrade

[Hao Jiang]

The problem is solved after upgrading nodejs from 14 to 12

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Opinion

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https://bugs.launchpad.net/bugs/1899729

Title:
  do-release-upgrade failed while calculating the upgrade

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

Bug description:
  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
  === Command detached from window (Wed Oct 14 12:57:02 2020) ===
  === Command terminated with exit status 1 (Wed Oct 14 12:57:12 2020) ===

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.38
  ProcVersionSignature: Ubuntu 5.4.0-48.52~18.04.1-generic 5.4.60
  Uname: Linux 5.4.0-48-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Wed Oct 14 12:57:45 2020
  InstallationDate: Installed on 2015-11-18 (1791 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-10-14 (0 days ago)

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