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[Alexander Schäfer <ubuntu@xxxxxxxxxxx>]

I just tried the LiveCD for Ubuntu 9.10 64bit and have no problems
regarding any 3D acceleration including the visual effects set to
"normal".

glxgears gives me 23'000 frames per 5 seconds in 9.10.
glxgears gives me 70 frames per average 6 seconds in 10.04.

** Description changed:

  Binary package hint: xorg
  
  Having an ATI x1950 and activating any visual effects on Lucid Beta 2
  will result in very slow performance making the system unusable.
  
  My laptop has an ATI x1400 and currently setting visual effects to
  "normal" results in smooth performance afterwards. My main computer
  however runs an ATI x1950 which seems to be detected but runs extremely
  slow on normal visual effects settings. My main computer also has MS
  Windows, where 2d and 3d acceleration works without any problems, so I
  assume there aren't any basic hardware problems.
  
  The slowdown manifests itself when "normal" visual effects are selected:
  When moving, minimizing or maximizing windows the computer screen and
  gnome controls hangs 2-3 seconds before displaying the next frame, and
  additional frames have to be waited for to get gnome to respond to
  another user input.
- 
- I never tried Ubuntu on my machine with the current hardware
- configuration before. So I don't know if this an older issue or recently
- introduced.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: xorg 1:7.5+5ubuntu1
  ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
  Uname: Linux 2.6.32-19-generic x86_64
  Architecture: amd64
  CurrentDmesg:
   [   10.462652] ppdev: user-space parallel port driver
   [   20.711914] eth0: no IPv6 routers present
   [  156.486007] __ratelimit: 167 callbacks suppressed
   [  156.486010] do_IRQ: 0.83 No irq handler for vector (irq -1)
  Date: Sat Apr 17 02:49:46 2010
  DkmsStatus: Error: [Errno 2] No such file or directory
  InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100406)
  MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-19-generic root=UUID=7841a9cd-57e9-46ca-b555-20a286ce46ee ro quiet splash
  ProcEnviron:
   PATH=(custom, no user)
   LANG=de_CH.UTF-8
   SHELL=/bin/bash
  SourcePackage: xorg
  Symptom: display
  dmi.bios.date: 05/21/2007
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P1.80
  dmi.board.name: 4CoreDual-VSTA
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.80:bd05/21/2007:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvn:rn4CoreDual-VSTA:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: To Be Filled By O.E.M.
  dmi.product.version: To Be Filled By O.E.M.
  dmi.sys.vendor: To Be Filled By O.E.M.
  glxinfo: Error: [Errno 2] No such file or directory
  system:
   distro:             Ubuntu
   codename:           lucid
   architecture:       x86_64
   kernel:             2.6.32-19-generic

-- 
visual effects very slow on ATI x1950
https://bugs.launchpad.net/bugs/565141
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