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[Bug 1385606] Re: Black screen when entering GDM login page

 

** Changed in: gdm (Ubuntu)
   Importance: Undecided => Critical

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https://bugs.launchpad.net/bugs/1385606

Title:
  Black screen when entering GDM login page

Status in gdm package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu version:  Ubuntu GNOME 14.10 stable amd64
  GDM version: 3.10.0.1-0ubuntu7
  CPU Vendor: AMD
  GPU vendor: AMD
  Computer type: Laptop

  After fresh installing Ubuntu GNOME 14.10, everything was fine and I
  installed fglrx. However after I reboot my machine it just stuck
  between the start screen (with GNOME's footprint in the center) and
  the login page. It was a black screen but the screen is on because I
  could see the backlight. However I was able to change to a tty by
  pressing Ctrl+Alt+F1 and after I installed LightDM and made it as
  default my machine successfully booted into the login page and
  everything was fine.

  I think this is a bug related to GDM, fglrx, systemd and upstart.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: gdm 3.10.0.1-0ubuntu7
  ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
  Uname: Linux 3.16.0-23-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Sat Oct 25 16:42:43 2014
  InstallationDate: Installed on 2014-10-24 (0 days ago)
  InstallationMedia: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  SourcePackage: gdm
  UpgradeStatus: No upgrade log present (probably fresh install)

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