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[Torfinn Ingolfsen <tingox+ubuntu@xxxxxxxxx>]

Public bug reported:

Xubuntu 14.04, when the machine starts up, I don't get a login screen, just a black screen. ctrl-alt-f1 works, and if I stop lightdm
$ sudo service lightdm stop
nand start gdm
$ sudo service gdm start
I can login as normal.
Things I've tried, without success:
- reinstalling lightdm
- changing alternatives (via update-alternatives)

Before this upgrade, the machine ran Xubuntu 12.04 lts, without problems.
The machine is an Asus U35jc laptop, it has hybrid graphics (nVidia Optimus), but I am only using the open drivers (I don't use the dedicated graphics card, in Xubuntu 12.04 I just switched it off to save battery).

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: lightdm 1.10.5-0ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-48.80-generic 3.13.11-ckt16
Uname: Linux 3.13.0-48-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.8
Architecture: amd64
CurrentDesktop: XFCE
Date: Mon Apr  6 23:26:20 2015
InstallationDate: Installed on 2010-10-02 (1647 days ago)
InstallationMedia: Xubuntu 10.04 "Lucid Lynx" - Release amd64 (20100429)
LightdmConfig:
 [SeatDefaults]
 greeter-session=unity-greeter
 user-session=xubuntu
LightdmGreeterLog: Failed to open /dev/null: Permission denied
LightdmGreeterLogOld: Failed to open /dev/null: Permission denied
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: lightdm
UpgradeStatus: Upgraded to trusty on 2015-04-05 (1 days ago)

** Affects: lightdm (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/1440905

Title:
  lightdm (or greeter) only gives a blank screen instead of a login
  screen.

Status in lightdm package in Ubuntu:
  New

Bug description:
  Xubuntu 14.04, when the machine starts up, I don't get a login screen, just a black screen. ctrl-alt-f1 works, and if I stop lightdm
  $ sudo service lightdm stop
  nand start gdm
  $ sudo service gdm start
  I can login as normal.
  Things I've tried, without success:
  - reinstalling lightdm
  - changing alternatives (via update-alternatives)

  Before this upgrade, the machine ran Xubuntu 12.04 lts, without problems.
  The machine is an Asus U35jc laptop, it has hybrid graphics (nVidia Optimus), but I am only using the open drivers (I don't use the dedicated graphics card, in Xubuntu 12.04 I just switched it off to save battery).

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: lightdm 1.10.5-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-48.80-generic 3.13.11-ckt16
  Uname: Linux 3.13.0-48-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.8
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Mon Apr  6 23:26:20 2015
  InstallationDate: Installed on 2010-10-02 (1647 days ago)
  InstallationMedia: Xubuntu 10.04 "Lucid Lynx" - Release amd64 (20100429)
  LightdmConfig:
   [SeatDefaults]
   greeter-session=unity-greeter
   user-session=xubuntu
  LightdmGreeterLog: Failed to open /dev/null: Permission denied
  LightdmGreeterLogOld: Failed to open /dev/null: Permission denied
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: lightdm
  UpgradeStatus: Upgraded to trusty on 2015-04-05 (1 days ago)

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