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Old 02-10-06, 04:20 PM   #1
akugel
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Location: New Brunswick, NJ
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Default 7800 GTX unsupported on Fedora Core 4?

I have Fedora Core 4 running on an ASUS P5WD2 Premium with
an ASUS NVIDIA 7800 GTX video card. I downloaded the
NVIDIA-Linux-x86-1.0.8178.pkg1.run package to install the
nVidia drivers (& hopefully get X-windows & Open GL to
use the card's hardware). I *think* the
NVIDIA_kernel-1.0-8178-U012206.diff.txt patch has fixed
a problem I originally had on boot-up, although that
may have mysteriously fixed itself earlier.

If I look at Desktop->System Settings->Display->Hardware,
it shows the Video Card as "VESA driver (generic)";
if I attempt to select the video card, the closest I can
get to my card is one of the GeForce 6800 cards.
I didn't try this, because I think that I *should*
be seeing the 7800 in this list(?), and I thought maybe
I should ask about that.

Meanwhile, with whatever the system is using (given my uncertainty
about the current system state) the rendering seems a bit slower
than I was expecting on some ("Red Book") OpenGL test programs:
during resizing, many horizontal black bars briefly appear in the image.
Being somewhat inexperienced with this, I don't know whether this is
an artifact of how resizing is handled by the generating software,
or perhaps the on-card OpenGL is not being used, or whether re-rendering
during resizing is just a really demanding rendering job.
But it's certainly possible that I'm not using the capacities
of my graphics card to full advantage.

Sooo -- how do I tell if I'm running an updated driver?
How do I tell if I'm using the 7800's hardware for rendering
the OpenGL images? Is the original driver failure to blame?
Is the lack of the 7800 in the hardware list important,
and does it mean a broken install, or is the problem with
X windows or Fedora or Gnome? And what should I try next?

I'm including /var/log/nvidia-installer.log in case there's something
useful there.

System:
Fedora Core 4 (not sure which LINUX version)
Gnome 2.10.0
X Window System Version 6.8.2
Attached Files
File Type: log nvidia-installer.log (26.6 KB, 107 views)
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Old 02-10-06, 04:31 PM   #2
netllama
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Default Re: 7800 GTX unsupported on Fedora Core 4?

The fact that the GeForce 7800 isn't listed in Fedora's tools is a problem with Fedora's tools.

Your X log would determine whether the nvidia driver was being used, and whether the glx module was successfully loaded.

If you're experiencing performance problems, please provide the following:
0) An nvidia-bug-report.log
1) The application that you're using which exhibits the problems
2) The benchmarks that you've run

Thanks,
Lonni
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Old 02-10-06, 04:48 PM   #3
Seve
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Default Re: 7800 GTX unsupported on Fedora Core 4?

I have 2 of them and just configure it to NVIDIA Unknown (generic) and you should be okay. It is recognized in FC5, which is due out in mid March.

hth
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Old 02-10-06, 06:03 PM   #4
akugel
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Default Re: 7800 GTX unsupported on Fedora Core 4?

Thanks for your prompt reply.

I have found some logs that are probably appropriate. An early one (Feb 3 Xorg.setup.log) complains about failing to initialize the GLX extensions, but I installed the patched version of the .run today, so I don't know if that's relevant to anything. But I also don't know why this file wasn't overwritten more recently.

Are the glx extensions what sets Xwindows to use 3D hardware acceleration for OpenGL?
(I am new to Xwindows, so I'm not sure what does what yet). In /var/log/Xorg.0.log,
it says "NVIDIA 3D Acceleration Architecture Initialized" and
"Using the NVIDIA 2D acceleration architecture" so I'm inclined to think it's
using the hardware acceleration. It looks like the glx extensions loaded successfully.

Where do I get some _real_ benchmark programs I could use to check the rendering performance in a way that can be quantified?

Thanks, Allan



Quote:
Originally Posted by netllama
The fact that the GeForce 7800 isn't listed in Fedora's tools is a problem with Fedora's tools.

Your X log would determine whether the nvidia driver was being used, and whether the glx module was successfully loaded.

If you're experiencing performance problems, please provide the following:
0) An nvidia-bug-report.log
1) The application that you're using which exhibits the problems
2) The benchmarks that you've run

Thanks,
Lonni
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Old 02-10-06, 06:06 PM   #5
akugel
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Default Re: 7800 GTX unsupported on Fedora Core 4?

(oops, files didn't attach properly. Here they are)
Attached Files
File Type: log Xorg.0.log (40.5 KB, 108 views)
File Type: log Xorg.setup.log (1.3 KB, 105 views)
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Old 02-10-06, 06:22 PM   #6
netllama
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Default Re: 7800 GTX unsupported on Fedora Core 4?

Everything in the X log you posted (which is not a bug report) looks fine, so I don't see any signs of misconfiguration with respect to X.

SPECViewperf is considered an industry standard for benchmarking OpenGL performance:
http://www.spec.org/benchmarks.html#gpc

-Lonni
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Old 02-11-06, 04:41 AM   #7
pzgren
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Default Re: 7800 GTX unsupported on Fedora Core 4?

Quote:
Originally Posted by netllama
The fact that the GeForce 7800 isn't listed in Fedora's tools is a problem with Fedora's tools.i
No, not Fedora. Because the xorg driver nv included in FC4 has no 7800 support... and why, that is another question nVidia knows best.

Marcus
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Notebook: DELL Inspiron 9400 - Core Duo T2400 - 17" WUXGA 7800 Go 256MB - 2 GB DDR2 667 MHz -
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Old 02-11-06, 05:40 AM   #8
arokh
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Default Re: 7800 GTX unsupported on Fedora Core 4?

Quote:
Originally Posted by pzgren
No, not Fedora. Because the xorg driver nv included in FC4 has no 7800 support... and why, that is another question nVidia knows best.

Marcus
Uhm, yes it does. And in any case, the nv driver is open source, nvidia is not responsible for what it supports and not.
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Old 02-13-06, 08:00 PM   #9
akugel
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Default Re: 7800 GTX unsupported on Fedora Core 4?

I was (finally) able to download & run the benchmarks.
[prior to today, there was some problem interferring with the download]

Here is the output:
-------------------------------------------
Run All Summary
3dsmax-03 Weighted Geometric Mean = 16.64
catia-01 Weighted Geometric Mean = 10.42
ensight-01 Weighted Geometric Mean = 15.10
light-07 Weighted Geometric Mean = 7.687
maya-01 Weighted Geometric Mean = 8.386
proe-03 Weighted Geometric Mean = 15.17
sw-01 Weighted Geometric Mean = 15.53
ugs-04 Weighted Geometric Mean = 10.83
--------------------------------------------------------------------
I don't know what these numbers mean yet, so I don't know if they're showing
proper performance for my setup.
Anything you can tell me?
Cheers, Allan

Quote:
Originally Posted by netllama
Everything in the X log you posted (which is not a bug report) looks fine, so I don't see any signs of misconfiguration with respect to X.

SPECViewperf is considered an industry standard for benchmarking OpenGL performance:
http://www.spec.org/benchmarks.html#gpc

-Lonni
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Old 02-13-06, 09:19 PM   #10
netllama
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Default Re: 7800 GTX unsupported on Fedora Core 4?

The numbers themselves really don't have any meaning. You need to compare them to the other results to get an idea of how your system ranks:
http://www.spec.org/gpc/opc.static/vp81results.html

Keep in mind that higher is better in ViewPerf results, and alot of factors will impact the results (RAM, free RAM, CPU usage, disk usage, X resolution, etc).

-Lonni
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