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[rafal cieslak <rafalcieslak256@xxxxxxxxx>]

Public bug reported:

Binary package hint: xserver-xorg-video-radeon

On Lucid Lynx, after few updates I completely lost graphics hardware
acceleration. As fglrx won't work with new xorg, I use radeon driver (my
card is ATI Radeon 3560 HD). I used to have perfect 3d graphic, compiz
and games used to work smoothly, but from some time I can't use any of
them, when I lunch a game it consumes 100% cpu and lags a lot, and when
I start compiz, it says

compiz (core) - Fatal: Software rendering detected.
compiz (core) - Error: Failed to manage screen: 0
compiz (core) - Fatal: No manageable screens found on display :0.0

so my guess is that the radeon driver is not providing me with 3d hardware acceleration.
=================================
I don't know if it is a significant tip, but I found out that use-count of module 'radeon' is 0, as lsmod shows.

Module                  Size  Used by
radeon                738407  0 
ttm                    60847  1 radeon
drm_kms_helper         30742  1 radeon
drm                   198930  3 radeon,ttm,drm_kms_helper
i2c_algo_bit            6024  1 radeon
...
================================

I have no idea on what can be wrong. Maybe the problem is somewhere in
my configuration (but I doubt it), maybe it's a bug in radeon driver, or
maybe it's a bug somewhere else.

I hope debug info I provide will be useful.

ProblemType: Bug
Architecture: amd64
Date: Mon Mar  8 21:47:20 2010
DistroRelease: Ubuntu 10.04
MachineType: Dell Inc. Studio 1737
NonfreeKernelModules: wl
Package: xorg 1:7.5+1ubuntu12
ProcCmdLine: root=UUID=ba308b28-d0c2-4d62-84f1-a8b0968ef198 ro vesa=356 quiet splash rootflags=data=writeback
ProcEnviron:
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-16.24-generic
SourcePackage: xorg
Symptom: display
Uname: Linux 2.6.32-16-generic x86_64
dmi.bios.date: 02/11/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 0P786H
dmi.board.vendor: Dell Inc.
dmi.board.version: A05
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: A05
dmi.modalias: dmi:bvnDellInc.:bvrA05:bd02/11/2009:svnDellInc.:pnStudio1737:pvrA05:rvnDellInc.:rn0P786H:rvrA05:cvnDellInc.:ct8:cvrA05:
dmi.product.name: Studio 1737
dmi.product.version: A05
dmi.sys.vendor: Dell Inc.
system:
 distro:             Ubuntu
 codename:           lucidarchitecture:       x86_64kernel:             2.6.32-16-generic

** Affects: xserver-xorg-video-ati (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug lucid performance

-- 
No hardware acceleration on ATI Radeon 3560 HD using 'radeon' driver 
https://bugs.launchpad.net/bugs/534662
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