[Bug 1898570] Re: ran update from 18 to 20 from GUI

[Chris Morris]

I get this in /var/log/dist-upgrade/202001005-1602/main.log:

2020-10-05 16:02:15,436 INFO Using config files '['./DistUpgrade.cfg.bionic']'
2020-10-05 16:02:15,436 INFO uname information: 'Linux chris_ubuntu 4.15.0-118-generic #119-Ubuntu SMP Tue Sep 8 12:30:01 UTC 2020 x86_64'
2020-10-05 16:02:15,459 INFO apt version: '1.6.12ubuntu0.1'
2020-10-05 16:02:15,459 INFO python version: '3.6.9 (default, Jul 17 2020, 12:50:27) 
[GCC 8.4.0]'
2020-10-05 16:02:15,460 INFO release-upgrader version '20.04.25' started
2020-10-05 16:02:15,469 INFO locale: 'en_US' 'UTF-8'
2020-10-05 16:02:15,511 DEBUG screen returned: 'No Sockets found in /run/screen/S-root.

'
2020-10-05 16:02:15,511 INFO re-exec inside screen: '['screen', '-e', '\\0\\0', '-c', 'screenrc', '-S', 'ubuntu-release-upgrade-screen-window', '/tmp/ubuntu-release-upgrader-d6i9prd4/focal', '--mode=server', '--frontend=DistUpgradeViewText']'

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https://bugs.launchpad.net/bugs/1898570

Title:
  ran update from 18 to 20 from GUI

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

Bug description:
  This was actually my second try after running "do-release-upgrade"
  failed thusly:

  
  Could not calculate the upgrade 

  An unresolvable problem occurred while calculating the upgrade.

  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 (Mon Oct  5 15:52:53 2020) ===
  === Command terminated with exit status 1 (Mon Oct  5 15:53:03 2020) ===

  
  -------------
  The gui methods gets to the end of "Setting software channels", hangs and presents me with a an error suggesting I report a bug. Error also says "could not calculate update"

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.38
  ProcVersionSignature: Ubuntu 4.15.0-118.119-generic 4.15.18
  Uname: Linux 4.15.0-118-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.17
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Oct  5 15:47:14 2020
  InstallationDate: Installed on 2020-02-14 (233 days ago)
  InstallationMedia: Ubuntu-Server 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2020-10-05 (0 days ago)
  VarLogDistupgradeAptclonesystemstate.tar.gz: Error: command ['pkexec', 'cat', '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'] failed with exit code 126: Error executing command as another user: Request dismissed
  VarLogDistupgradeTermlog:

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