** Description changed:

- Trying to upgrade from 19.10 to 20.04. I removed all third party ppas
- and still didn't work
+ Impact
+ ------
+ Users who have both the lubuntu-desktop meta package (which depends on 
xscreensaver) and the ubuntu-desktop meta package install can not upgrade to 
the next release of Ubuntu. This is because there is a PostUpgradeRemove rule 
for the xscreensaver package. This rule has been around since at least Dapper 
and as far as I know is no longer necessary.
  
- ProblemType: Bug
- DistroRelease: Ubuntu 19.10
+ [Test Case]
+ -----------
+ 1) On an Ubuntu 18.04 LTS system install both the ubuntu-desktop and 
lubuntu-desktop metapacakges
+ 2) Run do-release-upgrade -d to upgrade to Ubuntu 20.04 LTS
+ 3) Observe that the upgrade fails to calculate and notice the following in 
/var/log/dist-upgrade/main.log:
+ 2020-07-20 11:37:59,839 DEBUG Marking 'ubuntu-desktop' for upgrade
+ 2020-07-20 11:38:00,074 DEBUG Marking 'lubuntu-desktop' for upgrade
+ 2020-07-20 11:38:01,181 WARNING Can't mark 'lubuntu-desktop' for upgrade 
(E:Unable to correct problems, you have held broken packages.)
+ 
+ Original Description
+ --------------------
+ Trying to upgrade from 19.10 to 20.04. I removed all third party ppas and 
still didn't work
+ 
+ ProblemType: BugDistroRelease: Ubuntu 19.10
  Package: ubuntu-release-upgrader-core 1:19.10.15.4
  ProcVersionSignature: Ubuntu 5.3.0-46.38-generic 5.3.18
  Uname: Linux 5.3.0-46-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8.8
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Apr 25 18:54:27 2020
  InstallationDate: Installed on 2020-02-04 (81 days ago)
  InstallationMedia: Lubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017.1)
- PackageArchitecture: all
- SourcePackage: ubuntu-release-upgrader
+ PackageArchitecture: allSourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to eoan on 2020-04-25 (0 days ago)
  VarLogDistupgradeTermlog:

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https://bugs.launchpad.net/bugs/1875107

Title:
  unable to upgrade with lubuntu-desktop and ubuntu-desktop installed
  due to xscreensaver

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