Re: ati radeon 9200 - slow 3d acceleration

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To: debian-user@lists.debian.org
Date: Sun, 18 Jan 2004 00:23:17 +0100

2004. január 17. 22:49 dátummal Roberto Sanchez ezt írta:
> LeVA wrote:
> > Hi!
> >
> > I have an ati radeon 9200 card, and want to use it's 3d
> > acceleration.
> >
> > Info:
> >
> > o XFree86 Version 4.3.99.902 (4.4.0 RC 2)
> > - radeon drm as module (from the Xdrm.tgz package, source)
>
> XFree86 4.3 from experimental will do just fine, unless you would
> rather use the binary fglrx module, which is available for
> X 4.1, 4.2, and 4.3. Thus you can run Woody, Sarge, or Sid, and
> it will work.
>
> > o Driver from the ati's hp 3.7.0
> > - fglrx (xfree driver, and kernel module by that name)
> > - ati's libGL.so
>
> Good, that is the latest release.
>
> > o linux-2.4.24 kernel
> > - agpgart as module
> > - radeon drm as module
>
> You should really compile AGPGART into the kernel, but it is
> ultimately a matter of preference.
>
> > I have to load the fglrx kernel module first, and after that, I can
> > load the agpgart, and radeon drm modules.
>
> This is WRONG. You first load the agpgart module, and then the
> radeon OR fglrx, but not both. This should be accomlished by adding
> the appropriate lines to /etc/modules.
>
Done.

# lsmod
Module Size Used by Tainted: P
fglrx 167336 0 (unused)
agpgart 16800 0 (unused)
...
..
.

I've restarted X, but as you can see, they are still unused. What could
be the problem? Even if I start the glxgears, they are stay unused. Is
this because I didn't load the DRI module in XF86Config file?

> > I've also downloaded that SDLgears-1.0.2.tar.gz
> > (http://www.libsdl.org/opengl/SDLgears-1.0.2.tar.gz) and compiled
> > it, and I can see those gears spinning.
>
> What is the framerate you are getting?

~200.
with fullscreen ~50.

>
> > My problem is (at least I think it is a problem), that when I start
> > X, and start that glxgears program, and during this I type 'lsmod'
> > to a console, I see that no process is using the loaded modules
> > (fglrx, agpgart etc...), although I'm using the fglrx driver in my
> > XF86Config file.
>
> That in because you must load agpgart first (see my comment above).
>
> > Programs, which needs 3d acceleration (tuxracer, unreal tournament)
> > are very slow, but that glxgears program tells me, that it runs at
> > 240fps.
>
> What is the output of `glxinfo |grep render'? You almost certainly
> do not have direct rendering enabled. Also, what is in your
> /var/log/XFree86.log and /etg/X11/XF86-Config4?

This is true, I don't have the direct rendering enabled, because I can
not load it with xfree. I've explained in my message, that I can not use
both GLX (which I need for the glxgear program to work) and the DRI
module. I must choose from those. If I load both the GLX and the DRI
modules in xfree, and using 'fglrx' xfree driver, then the X doesn't
start, and I get this error message in the XFree86.0.log:

Fatal server error:
__glXExtensionInit: AddExtensions failed

If I enable both the GLX and the DRI (again), but using the 'radeon'
xfree driver, X simply hangs my system and I have reset.

If I understand you clearly, I need the GLX and the DRI module too, for
a working 3d acceleration?

My kernel config:

<M> /dev/agpgart (AGP Support)
[*] Intel 440LX/BX/GX and I815/I820/I830M/I830MP/I840/I845/I850/I860
support
[ ] ATI IGP chipset support
Direct Rendering Manager (XFree86 DRI support) --->
        [*] Direct Rendering Manager (XFree86 DRI support)
        [ ] Build drivers for old (XFree 4.0) DRM
        --- DRM 4.1 drivers
        <M> ATI Radeon

In my XF86Config:

        Load "glx"
# Load "dri"
        Load "GLcore"
        Load "extmod"
        Load "v4l"
        Load "pex5"
        Load "record"
# Load "xie"
# Load "xtrap"
        Load "speedo"
        Load "type1"
## Load "bitmap"
        Load "dbe"
# Load "ddc"
        Load "freetype"
        Load "int10"
# Load "vbe"

>
> > I'm loading the glx, and the GLcore modules, but I can not load the
> > dri module too. It conflicts with the glx mod, so when I select to
> > load both of them, I get this error (when starting x):
> >
> > Fatal server error:
> > __glXExtensionInit: AddExtensions failed
> >
> > I must choose, wether to load the dri or the glx module. But I
> > think I need both of them, cause when I start glxgears, it says:
> > Xlib: extension "XFree86-DRI" missing on display ":0.0".
> >
> > And when starting unrealtournament, I get this error message:
> >
> > X Error of failed request: XF86DGANoDirectVideoMode
> > Major opcode of failed request: 136 (XFree86-DGA)
> > Minor opcode of failed request: 2 (XF86DGADirectVideo)
> > Serial number of failed request: 114
> > Current serial number in output stream: 115
> > Signal: SIGSEGV [segmentation fault]
> > Aborting.
> > XIO: fatal IO error 0 (Success) on X server ":0.0"
> > after 125 requests (123 known processed) with 5 events
> > remaining.
> >
> > All of the above errors are with the 'fglrx' xfree driver, and glx
> > (no dri then) and glcore loaded .
> >
> > I tried to use xfree's 'radeon' driver, with xfree's libGL.so, and
> > fglrx kernel module unloaded. The speed of the glxgears was still
> > high (~120fps), and tuxracer was still very slow, but I could at
> > least start unreal tournament. But that was pretty slow too.
>
> That is not a high frame rate. I have a Radeon 9000 Pro on a system
> with an AMD XP 2500+. My glxgears framerate is between 2200 and 2300
> fps.
>
> > I think that my system doesn't use the 3d acceleration of my radeon
> > card at all.
>
> That is almost certainly true.
>
> > Which xfree driver do you recommend, the 'fglrx' or the buil-tin
> > 'radeon' driver?
> > And what modules do I need to load (glx,dri,glcore?), if I want to
> > play 3d games smoothly?
> > Anybody have the same problem with an ati card?
>
> I use the fglrx module (so that I can play Neverwinter Nights). But
> the radeon module give better performance for everything else. The
> pain about the fglrx module is that it is an extra step that you must
> accomplish each time you install a kernel.
>
> -Roberto

-- 
LeVA
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• Previous message: David Baron: "Re:Tuning X"
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