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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

Original reporter noted fix released in later kernel version 3.3.

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https://bugs.launchpad.net/bugs/915408

Title:
  Garbled display on external screen when using 1920x1080 instead of
  1920x1200

Status in Linux:
  Fix Released
Status in xserver-xorg-driver-ati:
  Invalid
Status in linux package in Ubuntu:
  Invalid

Bug description:
  originally reported as bug 813566 :

  i have an external monitor (1920x1200 resolution) that, when set to
  1920x1080 resolution (native resolution of laptop display), garbles
  the screen as seen in the screenshot below.  The problem doesn't
  happen using the catalyst driver.

  https://bugs.launchpad.net/lightdm-gtk-
  greeter/+bug/813566/+attachment/2221015/+files/2011-07-20_07-51-28_83.jpg

  ProblemType: BugDistroRelease: Ubuntu 11.10
  Package: xorg 1:7.6+7ubuntu7
  ProcVersionSignature: Ubuntu 3.0.0-15.25-generic 3.0.13
  Uname: Linux 3.0.0-15-generic x86_64
  .tmp.unity.support.test.0:

  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  CompizPlugins: [core,bailer,detection,composite,opengl,decor,mousepoll,vpswitch,regex,animation,snap,expo,move,compiztoolbox,place,grid,imgpng,gnomecompat,wall,ezoom,workarounds,staticswitcher,resize,fade,unitymtgrabhandles,scale,session,unityshell]
  CompositorRunning: None
  Date: Thu Jan 12 07:42:25 2012
  DistUpgraded: Log time: 2011-07-13 10:07:59.371965
  DistroCodename: oneiric
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, whatever it takes to get this fixed in Ubuntu
  GraphicsCard:
   ATI Technologies Inc Broadway PRO [Mobility Radeon HD 5800 Series] [1002:68a1] (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:1522]InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Release Candidate amd64 (20100419.1)
  MachineType: Hewlett-Packard HP ENVY 15 Notebook PC
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-15-generic root=UUID=639dc488-e095-42a4-8c1f-ffb1a9299e1c ro crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7SourcePackage: xorg
  UpgradeStatus: Upgraded to oneiric on 2011-07-13 (182 days ago)
  dmi.bios.date: 04/23/2010
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.26
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 1522
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 36.34
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.26:bd04/23/2010:svnHewlett-Packard:pnHPENVY15NotebookPC:pvr048F110000241920001530000:rvnHewlett-Packard:rn1522:rvr36.34:cvnHewlett-Packard:ct10:cvrN/A:
  dmi.product.name: HP ENVY 15 Notebook PC
  dmi.product.version: 048F110000241920001530000
  dmi.sys.vendor: Hewlett-Packard
  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu6
  version.ia32-libs: ia32-libs 20090808ubuntu26
  version.libdrm2: libdrm2 2.4.26-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 7.11-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 7.11-0ubuntu3
  version.xserver-xorg: xserver-xorg 1:7.6+7ubuntu7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.6.0-1ubuntu13
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20110811.g93fc084-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.15.901-1ubuntu2.1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110411+8378443-1

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