[Bug 1965654] Re: Could not upgrade from Ubuntu 20.04 to 21.04

[Marc Deslauriers]

Thanks for taking the time to report this bug and helping to make Ubuntu
better. We appreciate the difficulties you are facing, but this appears
to be a "regular" (non-security) bug.  I have unmarked it as a security
issue since this bug does not show evidence of allowing attackers to
cross privilege boundaries nor directly cause loss of data/privacy.
Please feel free to report any other bugs you may find.

** Information type changed from Private Security to Public

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https://bugs.launchpad.net/bugs/1965654

Title:
  Could not upgrade from Ubuntu 20.04 to 21.04

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

Bug description:
  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.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.37
  ProcVersionSignature: Ubuntu 5.4.0-104.118-generic 5.4.166
  Uname: Linux 5.4.0-104-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.21
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: GNOME
  Date: Sun Mar 20 09:56:04 2022
  InstallationDate: Installed on 2017-05-08 (1776 days ago)
  InstallationMedia: Ubuntu-GNOME 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to focal on 2022-03-20 (0 days ago)
  VarLogDistupgradeTermlog:
   
  mtime.conffile..etc.update-manager.release-upgrades: 2022-01-31T14:41:59.331487

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