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dukeinlondon 10-05-2005 06:51 PM

xorg 3d acceleration for nvidia card
I've just noticed that 3d performances of my fx5200 256M nvidia card where far from being up to scratch. It's really slow.

I've done a dpkg-reconfigure xserver-xorg and except from the impression of having better font rendering, I can't see much 3d performance improvement. None at all actually. How can I test that the glx module is loaded ? opengl screen savers run ok, just very slow.

I know it is the nvidia driver that is being used. the nvidia-settings utility says direct rendering is not enabled. Is it the problem ?

Just noticed that in the Xorg.0.log file


(II) LoadModule: "GLcore"
(II) Loading /usr/X11R6/lib/modules/extensions/libGLcore.a
Skipping "/usr/X11R6/lib/modules/extensions/libGLcore.a:m_debug_clip.o":  No symbols found
Skipping "/usr/X11R6/lib/modules/extensions/libGLcore.a:m_debug_norm.o":  No symbols found
Skipping "/usr/X11R6/lib/modules/extensions/libGLcore.a:m_debug_xform.o":  No symbols found
(II) Module GLcore: vendor="X.Org Foundation"
        compiled for 6.8.2, module version = 1.0.0
        ABI class: X.Org Server Extension, version 0.2
(II) Loading extension GLX

I guess it's the root of the problem.

further down I found


==) NVIDIA(0): Backing store disabled
(==) NVIDIA(0): Silken mouse enabled
(**) Option "dpms"
(**) NVIDIA(0): DPMS enabled
(II) Loading extension NV-CONTROL
(EE) NVIDIA(0): Failed to load GLX
(WW) NVIDIA(0): Option "UseFBDev" is not used

any help fixing that would be most welcome.

Thanks in advance

Krugger 10-05-2005 08:19 PM

go to your screen section under monitor put the backinstore on like this:

Monitor "Monitor[0]"
Option "BackingStore" "On"

this will make your window dragging not so noticable.

about the glx - try running the script from nvidia so you get some more info why it is failing.

and shouldn't the module be nvidia-glx that comes with the nvidia package?

dukeinlondon 10-06-2005 05:36 AM

Will do. the nvidia glx thing sounds like a lead.... Thanks

dukeinlondon 10-07-2005 04:39 PM

Well it wasn't. I think it's a recent break in the sid version of cause I've just found a game I did play straight after installing my current video card and it played just fine. Now, even the introduction is slow.

Just have to wait for a fix. First time in a few years that sid deserve its 'unstable' tag for me....

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