Graphical Slowness! (ATI drivers)

jbstew32 · 06-29-2004, 08:01 PM

I'm running slack 10, and i have X running with fglrx drivers. When I run tuxracer for instance, it is pretty slow, and glxgears only gives me about 90-120 FPS!!!

I've installed the ATI drivers many times on many distros, yet for some reason I am getting slowness.

any suggestions? is it because it is using xorg instead of xfree86 or are they *completely* identical in this respect?

Just as a double check, what character device options need to be selected when I build my kernel?

Cesar Ocasio · 06-29-2004, 10:23 PM

This is what I did to get the ATI 3D accel working.

Extract the ATI Linux drivers, then do the following (backup your xorg.conf file if you need to):

# cd /lib/modules/fglrx/build_mod
# sh make.sh
# cd ..
# sh make_install.sh
# fglrxconfig

Then restart the X server.

After fglrxconfig writes the new xorg.conf, I make sure I edit the following lines, as this is how I got it working:

Code:

Section "Module"
    Load        "dbe"  	# Double buffer extension

    SubSection  "extmod"
      Option    "omit xfree86-dga"   # don't initialise the DGA extension
    EndSubSection

#   Load        "extmod"
    Load        "type1"
    Load        "freetype"
    Load        "glx"   # libglx.a
    Load        "dri"   # libdri.a
EndSection

And I make sure that "UseInternalAGPGART" is set to "no".

Also, I don't know why I have the "omit" section there, but you could try removing the three lines in the middle and uncomment the "Load "Extmod"" line.

You can check to see if the proper drivers are loaded by typing "fglrxinfo". If it still doesn't use "Direct rendering", type "dmesg" and look for any errors.

jbstew32 · 06-29-2004, 11:01 PM

ack! I had it set to use the wrong AGPGART! I should have checked that!

thanks for the reply in helping me catch that stupid mistake

The GingerNinja · 08-30-2004, 04:33 AM

Hi,

I wonder if someone could give me a bit of info on this fix (wrong agpgart).
I have installed the fglrx drivers following a guide on here for ATI 9600XT on Suse 9.0.
This seems to be the same as the problem I am getting. ie. After installation, my glxgears has gone down from 350fps to around 70fps, even though direct rendering is set to Y and the fglxinfo shows that the card is picked up.

I have set the "use external agpgart" to Y as part of my install and in /etc/init.d/boot.local I have added /sbin/insmod agpgart

Is it possible I have the same error?

Many thanks in advance