[ltp] 答复: [ltp] ATI Radeon 3D features

[millin]

Hi,
 Below may be the reason of your 3D problem on Thinkpad-T30:
     In some XFree86 versions , the DRI has a bug.  
When the CPU is better than P4 1.8G (just like T30), 
the DRI will mistakenly enable the 3D-NOW! feature for the CPU.

Of course, the P4 CPU has no 3D-NOW! at all!
So ,when you use some 3D programs.....
It won't work ,and return "illegal instructions"

To avoid this problem, you can edit /etc/profile ,
And add a line  “export MESA_NO_3DNOW=1”
That’s OK.





-----邮件原件-----
发件人: linux-thinkpad-admin at linux-thinkpad.org
[mailto:linux-thinkpad-admin at linux-thinkpad.org] 代表 olusola omosebi
发送时间: 2003年4月25日 7:42
收件人: linux-thinkpad at linux-thinkpad.org
主题: Re: [ltp] ATI Radeon 3D features





Thnaks Buddy, but for the best games i prefer unreal Tournament 2003


>From: Rene Cunningham <rene at dcnut.com>
>Reply-To: linux-thinkpad at linux-thinkpad.org
>To: linux-thinkpad at linux-thinkpad.org
>CC: olusola omosebi <heyodee at msn.com>
>Subject: Re: [ltp] ATI Radeon 3D features
>Date: Wed, 23 Apr 2003 23:49:04 +1000
X-Virus: 6
>
>On Tue, Apr 22, 2003 at 12:13:26AM -0400, olusola omosebi wrote:
> >   I don't know how to enable the 3D features of the ATI Radeon
graphics
> > card.
>
>These steps can be found through google in more detail.
>
>1) Download xfree86 source for 4.3.0 which has the radeon driver in it,
>called X430src-3.tgz.
>2) untar it and cd into
>xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/ , where you
>can do `make -f Makefile.linux`.
>3) if all goes well you should have radeon.o in that directory, which
>can be copied into /lib/modules/`uname -r`/misc/. Do a `depmod -ae`,
>then a `modprobe radeon`. Make sure you dont have the kernel's radeon
>driver built into the kernel or as a module.
>4) Open your X11 config file (usually /etc/X11/XF86Config-4) and make
>sure 'Load "dri"' and 'Load "glx"' are unhashed. In the 'Section
"Device"'
>section for your video card put in 'Driver "radon"'. At the bottom of
>the X11 config file put in
>
>Section "DRI"
>        Mode    0666
>EndSection
>5) Restart X and you should have opengl support. You can tell by
running
>`glxinfo` which should show "direct rendering: Yes".
>
>Hope this helps.
>
> >Does anyone know, tha best games dont play on my T30 because of it
>I took a quick look at Quake3 but didnt get a great FPS. Could of been
>because my P4 stepped down to 1.2GHz. Trackballs and foobillards runs
>fine.
>
>--
>
>Rene Cunningham
>DCNUT Pty Ltd
>http://www.dcnut.com
>
>----------------------------------------
>A black cat crossing your path signifies that the animal is going 
>somewhere.
>		-- Groucho Marx
>--
>The linux-thinkpad mailing list home page is at:
>http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad


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