[Dri-users] Voodoo 5 & DRI problems : more info

[<te...@cr...>]

  Greg, thanks for the tips. I've looked over everything and here's a
little more info. I noticed 'glxinfo' and 'gears -info' giving an
undefined symbol error the other night but was unable to include it in
the first post because I was mailing the message elsewhere. BTW, there
was an error in the first post, I'm running Kernel 2.4.2 not 4.0.2 :P.

Anyway, here's a little more on the pesky undefined symbol message:

glxinfo: error while loading shared libraries: /usr/lib/libGL.so.1:
undefined symbol: grSstControl

I checked to insure that the libGL.so.1 was the correct lib (or at
least tried to). It was a Debian 2.3 package named 'xlibmesa' 4.0.3-1
(which is the package for XF86 4.0 if i'm not mistaken?)

Additionally, /var/log/XFree86.0.log listed Direct rendering on TDFX
to be disabled, but nothing more that I could see significant.

It's also odd how the TDFX module doesn't allow 32 bpp for this Voodoo
5. The choices are 8, 16, and 24. I read in the users guide that 16
bpp would be suppoted for acceleration. Although, the card is 32 bpp
capable and should run.

/dev/agpgart doesn't exsist so that may be a problem?

I'm thinking I should just use CVS to get the full DRI source and just
compile. Possibly the Debian packages are wrong? 

I noticed that tdfx , tdfx_dri, nor tdfx_drv are listed in the 'lsmod'
output. Are they supposed to be loaded as soon as X is loaded or only
when accelerated support is needed? It appears that X loads the tdfx
module but it just isn't listed in the 'lsmod' output.

I hope that is enough information for the problem. I'm going to play
around with updating the libs a few more times. I appreciate all the
help.

                          Bryan A. Hughes
                          in...@cr...



On Thu, 03 May 2001 14:28:59 -0600
 Greg Woods <gs...@sp...> wrote:
> "Bryan A. Hughes" wrote:
> >Voodoo 5 5500 (AGP) for 3D
> > Acceleration in XF86. Unfortunately, DRI appears to be disabled
> when X
> > is started because bus mastering is off. 
> 
> Bus mastering is (I'm told) a PCI concept. If you are using an AGP
> card,
> it is a no-op. I too ran into this, including the lack of success
> with
> "setpci", but this wasn't the problem. In my case it turned out to
> be
> some old Mesa libraries that were still being linked to. What does
> "gears -info" show? How about running "ldd" on one of your binaries
> that
> you think should be using DRI? Looking in /var/log/XFree*.log can
> also
> be enlightening.
> 
> --Greg
> 
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