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Old 10-07-06, 07:51 AM   #1
Gemini
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Default 9625 beta / some problems on Geforce 3 & Fedora 6

I tried the 9625 beta driver on a up-to-date beta of Fedora Core 6. The final version of FC6 is scheduled to be released in a weeks time. The box has a 2GHz Pentium 4 processor and an old GeForce 3 card (NV20 [GeForce3 Ti 500] (rev a3)). The kernel version is 2.6.18-1.2747.fc6.

- The driver includes linux/config.h, which has been removed from the current version of the kernel headers. I removed the include directive from the file nv-linux.h, and after that, the driver compiled and installed without errors.

- Video comes out wrong. X.org log says color depth is 24 bits (format 32), but on the screen it looks like 8-bit or worse, and the colors are mangled in strange ways.

- AIGLX seems to work. Compiz (from Fedora Extras) does not draw window decorations for some reason, but works otherwise, effects included. This is on X.org 7.1, not Xgl.
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Old 10-07-06, 11:05 AM   #2
netllama
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Default Re: 9625 beta / some problems on Geforce 3 & Fedora 6

Please generate and attach an nvidia-bug-report.log

Thanks,
Lonni
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Old 10-09-06, 09:15 AM   #3
Gemini
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Default Re: 9625 beta / some problems on Geforce 3 & Fedora 6

Quote:
Originally Posted by netllama
Please generate and attach an nvidia-bug-report.log

Thanks,
Lonni
The nvidia-bug-report output is attached below.

I also tried taking a snaphot of the screen when running with the 9625 driver, showing the mangled colours. The screenshot looks ok when viewed with the Xorg nv driver; so it seems the graphics are rendered correctly in memory, but the video signal is not quite right when it goes to the monitor.

The display is a 1600x1200 pixel EIZO FlexScan L885 flat panel, which is capable of showing 24-bit color. The display is connected with a DVI cable.
Attached Files
File Type: log nvidia-bug-report.log (93.7 KB, 179 views)
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Old 10-09-06, 10:50 AM   #4
netllama
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Default Re: 9625 beta / some problems on Geforce 3 & Fedora 6

It looks like you have single link TMDS hardware:
(--) NVIDIA(0): EIZO L885 (DFP-0): External Single Link TMDS

yet, you're using a 1600x1200 mode, which normally requires dual link TMDS hardware. Is the color corruption also present at lower resolution modes? if not, please start X with the following command:
startx -- -logverbose 6

and then generate and attach a new bug report.

Thanks,
Lonni
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Old 10-09-06, 03:13 PM   #5
Gemini
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Default Re: 9625 beta / some problems on Geforce 3 & Fedora 6

Quote:
Originally Posted by netllama
you're using a 1600x1200 mode, which normally requires dual link TMDS hardware.
Really? It has worked at the full 1600x1200 resolution and 24-bit colour for the past two years or more, on Fedora Core 1, 3 and 5, with many different versions of the NVidia driver. In fact, even the current FC6 test installation and version 8774 of the driver do work correctly with Single Link TMDS, at the full resolution and colour depth of the display.

I get the colour corruption at any resolution when using the 9625 driver. I tried 1280x1024 at 16-bit colour, got the mangled colour, and wrote the bug report (attached). I also created the verbose version, but it is 222K and the forum refuses to upload it because of the size.

8774 does show colour correctly, using the same kernel version. I attached the bug report (normal size) for version 8774 at 1600x1200 / 24-bit for comparison.

I have a feeling that either there is a bug in 9625 or it is just plain out to get my display.
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Old 10-09-06, 03:16 PM   #6
Gemini
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Default Re: 9625 beta / some problems on Geforce 3 & Fedora 6

Forgot to mention that both 8774 and 9625 were installed after removing the '#include <linux/config.h>' directive.
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Old 10-09-06, 04:35 PM   #7
netllama
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Default Re: 9625 beta / some problems on Geforce 3 & Fedora 6

I still need to see the verbose bug report. You can gzip/bzip2/zip the bug report to attach it here.

Thanks,
Lonni
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Old 10-10-06, 01:40 AM   #8
Gemini
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Default Re: 9625 beta / some problems on Geforce 3 & Fedora 6

The verbose report (low resolution, 16-bit colour) is attached here. (Sorry about not gzipping it before. It was late and my brain was not working.)
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Old 10-10-06, 12:18 PM   #9
netllama
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Default Re: 9625 beta / some problems on Geforce 3 & Fedora 6

I'm not having any luck reproducing this problem with the GeForce3 Ti 500 that I have here. I'm wondering if this is specific to the display you're using. Does this behavior also occur if you connect it in analog mode, instead of digital(DVI)?

Thanks,
Lonni
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Old 10-10-06, 12:58 PM   #10
Gemini
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Default Re: 9625 beta / some problems on Geforce 3 & Fedora 6

Quote:
Originally Posted by netllama
I'm not having any luck reproducing this problem with the GeForce3 Ti 500 that I have here. I'm wondering if this is specific to the display you're using. Does this behavior also occur if you connect it in analog mode, instead of digital(DVI)?
I changed cables and no, the problem does not occur with the analog cable. So it seems that the something in the digital signal changes between 8774 and 9625 in a way that the EIZO display does not like. I'll try to fiddle with the settings of the display when I have a free moment. (It only has limited controls on the device itself, but it came with a Windows program that controls it via a USB connection. The trouble is that I don't have windows on the machine.)
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Old 10-10-06, 09:32 PM   #11
merlin42
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Default Re: 9625 beta / some problems on Geforce 3 & Fedora 6

I just want to say that I have the same problem with my setup:

GeForce3 Ti 200
NEC LCD1735NXM
Centos 4.4

I am running at 1280x1024x24bit depth connected via dvi

I will try to reinstall the drivers later and generate a bug report log thingy.
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Old 10-11-06, 10:07 PM   #12
merlin42
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Default Re: 9625 beta / some problems on Geforce 3 & Fedora 6

Here are two bug report logs, one at 1280x1024x24bit, the other at 640x480x16bit. Both had the psychodelic color problems.
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