3D with ATI Radeon Xpress 200 open source ("radeon") drivers

Alex Deucher alexdeucher at gmail.com
Sun Jun 11 17:52:15 PDT 2006

On 6/11/06, Erik Moeller <eloquence at gmail.com> wrote:
> I'm using an ATI Radon XPRESS 200 onboard graphics chipset with
> Kubuntu 6.04. Before 6.04, I used the fglrx proprietary ATI drivers.
> These had 3D acceleration, but all kinds of other problems, including
> crashes when switching to the console or restarting the server, and no
> support for DVI. I'm now using the open source "radeon" drivers that
> come with X 7.0. These don't have the crashes and work with DVI, but I
> no longer have 3D acceleration. My X server log has various lines like
> this:
> drmOpenByBusid: drmOpenMinor returns -1023
> drmOpenDevice: node name is /dev/dri/card6
> drmOpenDevice: open result is -1, (No such device)
> drmOpenDevice: open result is -1, (No such device)
> drmOpenDevice: Open failed
> It then says:
> (EE) RADEON(0): [dri] RADEONDRIGetVersion failed to open the DRM
> I have the drm, agpgart and radeon kernel modules loaded. Some
> googling indicated that using a newer kernel may help (this is
> 2.6.15); I tried a fresh compile, but that didn't work
> either (same errors) and killed my sound. Does anyone know whether 3D
> acceleration with the Xpress 200 chipset is supported by the open
> source drivers?

The XPRESS chips and other r3xx based IGP variations will not support
3D until some one figures out how to properly initialize the memory
controller and possibly a few other things.


> Thanks,
> Erik

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