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[RussianNeuroMancer <303697@xxxxxxxxxxxxxxxxxx>]

** Description changed:

- Videos tear when I play them with xv extension. I enabled vsync with
- Catalyst Control Center and running 'aticonfig --initial
- --input=/etc/X11/xorg.conf --overlay-type=Xv', but the video still
- tears. I tried several Xorg.conf settings but without any improvement.
- Removing Xorg.conf does not change anything.
+ Since Catalyst 11.1 AMD starting open test of EnableTearFreeDesktop fglrx option.
+ If you want yo test is you should run "aticonfig --set-pcs-u32=DDX,EnableTearFreeDesktop,1" and restart X.Org Server or reboot computer.
+ Please be careful - it's experimental feature. It's can cause hard lock of your system. You should understand how to revert change back before you try it.
+ 
+ Latest Catalyst driver: http://support.amd.com/
+ Source: http://www.phoronix.com/scan.php?page=article&item=amd_catalyst_111&num=1
+ Confirmations: see in comments since #84 and here http://phoronix.com/forums/showthread.php?29919-Has-AMD-Finally-Fixed-Tearing-With-Its-Linux-Driver
+ 
+ Bug description:
+ =====================================
+ Videos tear when I play them with xv extension. I enabled vsync with Catalyst Control Center and running 'aticonfig --initial --input=/etc/X11/xorg.conf --overlay-type=Xv', but the video still tears. I tried several Xorg.conf settings but without any improvement. Removing Xorg.conf does not change anything.
  
  I have this problem since Hardy with a Radeon HD 3650. Even Windows XP
  with Catalyst driver tears. Some time ago I switched to a Radeon HD 4670
  (see lspci-vvnn.log), but even this card tears.
  
  The videos tear and do not flicker. This bug also occurs with Compiz
  disabled.
  
  [lspci]
  00:00.0 Host bridge [0600]: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller [8086:29c0] (rev 02)
-     	Subsystem: Intel Corporation Device [8086:5044]
+      Subsystem: Intel Corporation Device [8086:5044]
  01:00.0 VGA compatible controller [0300]: ATI Technologies Inc RV730XT [Radeon HD 4670] [1002:9490]
-     	Subsystem: Hightech Information System Ltd. Device [1787:2268]
+      Subsystem: Hightech Information System Ltd. Device [1787:2268]
  
- --- 
+ ---
  Architecture: amd64
  DistroRelease: Ubuntu 10.10
  DkmsStatus: fglrx, 8.723.1, 2.6.32-22-generic, x86_64: installed
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
  NonfreeKernelModules: fglrx
  Package: fglrx-installer (not installed)
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-22-generic root=UUID=dd94e74a-7def-467c-9887-28330d739490 ro quiet splash
  ProcEnviron:
-  PATH=(custom, user)
-  LANG=de_DE.utf8
-  SHELL=/bin/bash
+  PATH=(custom, user)
+  LANG=de_DE.utf8
+  SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
  Tags: maverick maverick
  Uname: Linux 2.6.32-22-generic x86_64
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  dmi.bios.date: 07/15/2009
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: DPP3510J.86A.0572.2009.0715.2346
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: DG33TL
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAD89517-802
  dmi.chassis.type: 3
  dmi.modalias: dmi:bvnIntelCorp.:bvrDPP3510J.86A.0572.2009.0715.2346:bd07/15/2009:svn:pn:pvr:rvnIntelCorporation:rnDG33TL:rvrAAD89517-802:cvn:ct3:cvr:
  system:
-  distro:             Ubuntu
-  codename:           maverick
-  architecture:       x86_64
-  kernel:             2.6.32-22-generic
+  distro:             Ubuntu
+  codename:           maverick
+  architecture:       x86_64
+  kernel:             2.6.32-22-generic

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https://bugs.launchpad.net/bugs/303697

Title:
  [fglrx] vsync issues - screen tearing unrelated to compiz