Radeon 9250 (was Re: Matrox G550)

[Jung-uk Kim]

On Wednesday 01 December 2004 03:21 pm, Roland Smith wrote:
> Seen on the list digest:
> > Luckily returning my card was fairly painless.  Now I just have
> > to wait a couple days to receive my ATI Radeon 9250.  It ships
> > out tomorrow, so if there's any last words of advice/general
> > info... please speak now!  :)
>
> My new AMD64 system is also equipped with a Radeon 9250 (sold under
> the Saphire brand). The 2D driver for Xorg works fine, the
> 5.3-RELEASE AGP and radeondrm drivers load OK, but running an
> OpenGL program fails with an error in radeon_cp_cmdbuf (from
> syslog):
>
> error: [drm:pid564:radeon_cp_cmdbuf] *ERROR* bad cmd_type 0 at
> 0x560008

It is known problem for radeon DRI/DRM.

> I've been looking at the source, and IMHO (not a kernel guru) it
> might be a 64 bit issue. The radeon_cp_cmdbuf function contains a
> switch statement that evaluates an integer argument copied from
> user space via fuword(9), which returns a long value. Since long is
> 64 bits, and int is 32 bits on AMD64 this might cause trouble?

I believe that's not the only problem.  (CC'ing anholt@)

> For completeness, my system has an MSI Neo FSR motherboard with a
> KT8T800 chipset.

I have 9200 and MSI K8T Neo-FIS2R.

Jung-uk Kim

> Roland