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Re: Turning on direct rendering with an ATI card



On Wednesday 10 May 2006 09:39, John Schmidt wrote:
> Hi,
>
> I am trying to turn on direct rendering using the Xorg (from unstable,
> along with the linux-image-2.6.16-1-k7 from unstable) ATI driver with no
> success. The machine is at a remote location which makes the problem a bit
> tougher to debug.
>
> I have turned on direct rendering on several machines (my laptop with ATI
> card is one), so I have some experience, and things usually just work with
> little futzing around.
>
> The user has reported that glxinfo indicates that direct rendering is not
> turned on.  lsmod shows that  drm and agpgart modules are loaded along with
> the associated nvidia_agp module.  Doing a grep on drm from dmesg shows
> that the R300 drm microcode is loaded.
>
> The Xorg.log indicates that the "ati" driver is used and that direct
> rendering is activated.  The /dev/dri/card0 is probed and found.  Every
> indication from the Xorg.log suggests that direct rendering is available,
> but glxinfo and glxgears -printfps suggest otherwise.
>
> I have the libdrm2 installed as well as the relevant xorg software,
> xlibmesa-dri, and libgl1-mesa-dri.
>
> I am a bit at a loss what is missing and where to look, since normally,
> things just work.  I have restarted X and rebooted the machine just to be
> sure that kernel modules are loaded.
>
> Thanks,
>
> John Schmidt

To follow up on the fix . . .

I had installed the fglrx-kernel-driver stuff and the GL diversions were the 
problem.  Removing the fglrx-kernel-driver allowed direct rendering to work 
with the native Xorg "ati" driver.

John



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