[Bug 1928249] Re: Ubuntu Server Upgrade 18.04 to 20.04

[Brian Murray]

Thanks for taking the time to report this upgrade failure. There is
currently a new version of the release upgrader available in -proposed
which may resolve the error you've encountered. Please run the following
command to test the new version of the upgrader:

  do-release-upgrade -p

Please lets us know the results in this bug report. Thanks again and
good luck!

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

** Tags added: lp-1928397

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https://bugs.launchpad.net/bugs/1928249

Title:
  Ubuntu Server Upgrade 18.04 to 20.04

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

Bug description:
  Ubuntu Server Upgrade from 18.04 to 20.04  does not complete
  successfully and gives "an unresolvable problem occurred while
  calculating the upgrade"  error message.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubuntu-release-upgrader-core 1:18.04.44
  ProcVersionSignature: Ubuntu 5.4.0-1047.49~18.04.1-azure 5.4.106
  Uname: Linux 5.4.0-1047-azure x86_64
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  CrashDB: ubuntu
  Date: Wed May 12 17:41:03 2021
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to bionic on 2021-05-12 (0 days ago)
  VarLogDistupgradeLspcitxt:
   00:00.0 Host bridge [0600]: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host bridge (AGP disabled) [8086:7192] (rev 03)
   00:07.0 ISA bridge [0601]: Intel Corporation 82371AB/EB/MB PIIX4 ISA [8086:7110] (rev 01)
   00:07.1 IDE interface [0101]: Intel Corporation 82371AB/EB/MB PIIX4 IDE [8086:7111] (rev 01)
   00:07.3 Bridge [0680]: Intel Corporation 82371AB/EB/MB PIIX4 ACPI [8086:7113] (rev 02)
   00:08.0 VGA compatible controller [0300]: Microsoft Corporation Hyper-V virtual VGA [1414:5353]

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