[Bug 1839786] Re: upgrade from 16.04 LTS to 18.04 Bionic Beaver fails - report says it is impossible to install a required package.

[Brian Murray]

>From VarLogDistupgradeMainlog.txt:

2019-08-11 14:25:56,481 DEBUG none of the '['ubuntu-desktop', 'kubuntu-desktop', 'xubuntu-core', 'xubuntu-desktop', 'ubuntustudio-desktop', 'mythbuntu-desktop', 'kubuntu-netbook', 'lubuntu-core', 'lubuntu-desktop', 'ubuntu-gnome-desktop', 'ubuntu-mate-core', 'ubuntu-mate-cloudtop', 'ubuntu-mate-desktop', 'ubuntukylin-desktop']' meta-pkgs installed
2019-08-11 14:25:56,481 DEBUG guessing 'ubuntu-desktop' as missing meta-pkg
2019-08-11 14:25:56,546 ERROR failed to mark 'ubuntu-desktop' for install (E:Unable to correct problems, you have held broken packages.)

Please try reinstalling the ubuntu-desktop package and then upgrading.

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

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https://bugs.launchpad.net/bugs/1839786

Title:
  upgrade from 16.04 LTS to 18.04 Bionic Beaver fails - report says  it
  is impossible to install a required package.

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

Bug description:
  upgrade from 16.04 LTS to 18.04 Bionic Beaver fails - report says  it
  is impossible to install a required package.

  Currently installed:  16.04 LTS

  Tried to upgrade to: 18.04 Bionic Beaver

  Upgrade message said to report this problem as a bug.

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubuntu-release-upgrader-core 1:16.04.25
  ProcVersionSignature: Ubuntu 4.15.0-39.42~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-39-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sun Aug 11 14:27:15 2019
  InstallationDate: Installed on 2018-02-14 (543 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to xenial on 2019-08-11 (0 days ago)
  VarLogDistupgradeTermlog:

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