[Bug 1264887] Re: After upgrade 12.04 -> 14.04 there was no display manager (kdm or lightdm)

[Harald Sitter]

Other random comment: I was under the impression that update-manager
will try to figure out which desktop package to force into the
installation in case none is installed, so technically this should not
have happend... however there is no indication of any such business in
the logs... this probably needs to be reproduced in an equal
environment.

** Changed in: ubuntu-release-upgrader (Ubuntu)
    Milestone: None => ubuntu-14.04-alpha-2

** Changed in: ubuntu-release-upgrader (Ubuntu)
   Importance: Undecided => High

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

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https://bugs.launchpad.net/bugs/1264887

Title:
  After upgrade 12.04 -> 14.04 there was no display manager (kdm or
  lightdm)

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Confirmed

Bug description:
  This Kubuntu machine had KDM installed before the upgrade from 12.04
  to 14.04. After the upgrade there was no display manager left, i.e.
  kdm was no longer installed and it wasn't replaced by lightdm like it
  happened on another machine with a fresh Kubuntu 12.04 system.

  The upgrade should either keep KDM or replace it by lightdm, but it
  should not leave the system in a state without display manager.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.209
  ProcVersionSignature: Ubuntu 3.12.0-7.15-generic 3.12.4
  Uname: Linux 3.12.0-7-generic x86_64
  ApportVersion: 2.12.7-0ubuntu3
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: KDE
  Date: Sun Dec 29 22:35:03 2013
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2013-12-29 (0 days ago)
  VarLogDistupgradeTermlog:

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