** Summary changed:

- HD 5970 screen corruption multi monitor
+ HD 5970 multi monitor radeon screen corruption

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https://bugs.launchpad.net/bugs/1260827

Title:
  HD 5970 multi monitor radeon screen corruption

Status in “xorg” package in Ubuntu:
  Incomplete

Bug description:
  When a window is open periodically horizontal corruption occurs on all
  the screens in this 3 monitor setup.  I also see corruption more like
  a static in the shadow background on the game Kerbal Space Program.

  The hardware config is three Samsung SynMaster XL2370 in a 5760 x 1080
  configuration running off of first of the two XFX HD 5970 cards
  attached via two DVI ports and one display port using an active DVI to
  display port adapter.

  See attached screen captures for details.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: xorg 1:7.7+1ubuntu6
  ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
  Uname: Linux 3.11.0-14-generic x86_64
  .tmp.unity.support.test.0:

  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  Date: Fri Dec 13 13:16:03 2013
  DistUpgraded: 2013-09-28 15:17:03,924 DEBUG enabling apt cron job
  DistroCodename: saucy
  DistroVariant: ubuntu
  EcryptfsInUse: Yes
  ExtraDebuggingInterest: Yes, if not too technical
  InstallationDate: Installed on 2012-11-29 (378 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MachineType: System manufacturer System Product Name
  MarkForUpload: True
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-14-generic 
root=UUID=c4ec6b3f-ea2f-479a-9ad4-f1eab2c84e9c ro 
crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to saucy on 2013-09-28 (75 days ago)
  dmi.bios.date: 09/14/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 2101
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: Crosshair IV Formula
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr2101:bd09/14/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnCrosshairIVFormula:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.46-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.1-1ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.1-1ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.14.3-3ubuntu2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu3.1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.904-0ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.9-2ubuntu1
  xserver.bootTime: Tue Dec 10 21:14:23 2013
  xserver.configfile: /etc/X11/xorg.conf
  xserver.devices:
   input        Power Button         KEYBOARD, id 6
   input        Power Button         KEYBOARD, id 7
   input        Logitech USB Receiver KEYBOARD, id 8
   input        Logitech USB Receiver KEYBOARD, id 9
   input        HD Pro Webcam C920   KEYBOARD, id 10
  xserver.errors:
   RADEON(G0): [XvMC] Failed to initialize extension.
   RADEON(G1): [XvMC] Failed to initialize extension.
   RADEON(G2): [XvMC] Failed to initialize extension.
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.14.3-3ubuntu2
  xserver.video_driver: radeon

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