desktop-packages team mailing list archive

[Robert Ancell <robert.ancell@xxxxxxxxxxxxx>]

What exactly happens:

In GDM, when uninstalling it sets /etc/X11/default-display-manager to
the first available display manager *package name*.  It should set it to
the full path to the display manager executable.

In LightDM, when uninstalling it doesn't change /etc/X11/default-
display-manager, so it is set to "/usr/sbin/lightdm" which is no longer
installed.  It should set it to the full path to the first available
display manager executable.

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https://bugs.launchpad.net/bugs/864174

Title:
  boot hangs waiting for lightdm after purging gdm (wrong default-
  display-manager)

Status in “gdm” package in Ubuntu:
  Triaged
Status in “lightdm” package in Ubuntu:
  Triaged
Status in “gdm” source package in Oneiric:
  Won't Fix
Status in “lightdm” source package in Oneiric:
  Won't Fix

Bug description:
  I've installed Oneiric beta2 and at some point installed and purged
  gdm. After that, boot will hang waiting for lightdm to start, which
  never happens. This is because /etc/X11/default-display-manager ends
  up saying "lightdm" whereas /etc/init/lightdm.conf accepts
  "/usr/bin/lightdm" or "/usr/sbin/lightdm". The user sees the splash
  screen messages "Waiting for up to 60 more seconds for network
  configuration" and "Booting system without full network
  configuration".

  However, the fix is to edit the contents of /etc/X11/default-display-
  manager to read "/usr/sbin/lightdm".

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: lightdm 1.0.0-0ubuntu4
  ProcVersionSignature: Ubuntu 3.0.0-12.19-generic-pae 3.0.4
  Uname: Linux 3.0.0-12-generic-pae i686
  ApportVersion: 1.23-0ubuntu2
  Architecture: i386
  Date: Sat Oct  1 19:56:46 2011
  SourcePackage: lightdm
  UpgradeStatus: No upgrade log present (probably fresh install)

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