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[Andrew Daugherity <813566@xxxxxxxxxxxxxxxxxx>]

I get the same behavior as Daniel Nyström, (btw, how did you take a
screenshot of the login screen?), but only _after_ the monitor has gone
to sleep.  On bootup, and immediately after logging out, things look
normal -- the primary monitor has the login window and the second
monitor is black (but working -- it shows the mouse pointer if I move it
over there).

This is a docked laptop with two external 1920x1200 displays (one DVI,
one VGA) using binary nVidia drivers (nvidia-current 280.13-0ubuntu6;
GPU is "nVidia Corporation G84 [Quadro FX 1600M]") and TwinView.

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https://bugs.launchpad.net/bugs/813566

Title:
  Greeter not displayed correctly on multi monitor setup

Status in Light Display Manager:
  Triaged
Status in Unity Greeter:
  Triaged
Status in “lightdm” package in Ubuntu:
  Triaged
Status in “unity-greeter” package in Ubuntu:
  Triaged
Status in “xserver-xorg-video-ati” package in Ubuntu:
  Confirmed
Status in “lightdm” source package in Precise:
  Triaged
Status in “unity-greeter” source package in Precise:
  Triaged
Status in “xserver-xorg-video-ati” source package in Precise:
  Confirmed

Bug description:
  Upon booting with an external monitor (1920x1200 resolution) hooked up
  to my laptop (1920x1080 resolution), the external display mirrors the
  laptop display, but garbles the screen (see screenshot).

  Using GDM, the external display is treated as extra screen space
  (greeter appears on laptop screen only), and is not garbled

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: lightdm 0.4.3-0ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-5.6-generic 3.0.0-rc7
  Uname: Linux 3.0.0-5-generic x86_64
  Architecture: amd64
  Date: Wed Jul 20 07:52:42 2011
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Release Candidate amd64 (20100419.1)
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: lightdm
  UpgradeStatus: Upgraded to oneiric on 2011-07-13 (6 days ago)

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