Please install the mesa-utils package and then run glxinfo |  grep render
Attach the output to this bug report.

** Description changed:

- After upgrading my Ubuntu 10.04 to 10.10  3.0.0-12, material
+ After upgrading my Ubuntu 10.04 to 11.10  3.0.0-12, material
  acceleration of my Radeon 7500 disappeared. I reinstalled the Xorg
  driver with no success.
  
  Thanks !
  
  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: xorg 1:7.6+7ubuntu7
  ProcVersionSignature: Ubuntu 3.0.0-12.20-genusername 3.0.4
  Uname: Linux 3.0.0-12-generic i686
  ApportVersion: 1.23-0ubuntu3
  Architecture: i386
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  Date: Sat Oct 29 11:34:01 2011
  DistUpgraded: Log time: 2011-10-26 14:23:41.461443
  DistroCodename: oneiric
  DistroVariant: ubuntu
  DkmsStatus: fglrx, 8.881, 3.0.0-12-generic, i686: installed
  GraphicsCard:
   ATI Technologies Inc Radeon Mobility M7 LW [Radeon Mobility 7500] 
[1002:4c57] (prog-if 00 [VGA controller])
     Subsystem: IBM ThinkPad T42 2373-4WU [1014:0530]
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  MachineType: IBM 18316FG
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcEnviron:
   PATH=(custom, no user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-genusername 
root=UUID=2cf3106a-9632-451b-bf11-09035b6e8c1a ro quiet splash vt.handoff=7
  Renderer: Software
  SourcePackage: xorg
  UnitySupportTest:
   Error: command ['/usr/lib/nux/unity_support_test', '-p', '-f'] failed with 
exit code 1: X Error of failed request:  BadRequest (invalid request code or no 
such operation)
     Major opcode of failed request:  136 (GLX)
     Minor opcode of failed request:  19 (X_GLXQueryServerString)
     Serial number of failed request:  21
     Current serial number in output stream:  21
  UpgradeStatus: Upgraded to oneiric on 2011-10-26 (2 days ago)
  dmi.bios.date: 05/14/2004
  dmi.bios.vendor: IBM
  dmi.bios.version: 1RETC6WW (3.05a)
  dmi.board.name: 18316FG
  dmi.board.vendor: IBM
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: IBM
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnIBM:bvr1RETC6WW(3.05a):bd05/14/2004:svnIBM:pn18316FG:pvrThinkPadR50:rvnIBM:rn18316FG:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
  dmi.product.name: 18316FG
  dmi.product.version: ThinkPad R50
  dmi.sys.vendor: IBM
  version.compiz: compiz 1:0.9.6+bzr20110929-0ubuntu5
  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
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:0.0.16+git20110411+8378443-1

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-ati in Ubuntu.
https://bugs.launchpad.net/bugs/883421

Title:
  material accelaraion disappeared

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https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/883421/+subscriptions

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