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Old 08-09-03, 06:16 AM   #1
Discordian
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Join Date: Aug 2003
Posts: 1
Default AGP problems... no solution found =/

Ok guys, i browsed the forums alot and found serveral ppl who had the same problem as i do, but nobody found a solution... (http://www.nvnews.net/vbulletin/show...threadid=15620 for example)

I think this could also be the reason for the performance loss many ppl talked about....

First i did not notice it either, but i saw that my performance was not as good as usual and i started to wonder... Then i tested the proc infos and saw it...

I cant get my AGP to work and i really tried everything.

The proc output is always the same...

[chris@****up(pts/1):chris]$ cat /proc/driver/nvidia/agp/status
Status: Disabled

I tried it with agpgart in the kernel and "3" as option in the XF86Config-4 file, and with another kernel without agpgart and the nvagp ("1" in config...).... no AGP support at all.
I also tried building agpart as module etcetc...

If i use agpgart, i receive the following error @ booting (dmesg | grep agp):

agpgart: Maximum main memory to use for agp memory: 439M
agpgart: Detected Via Apollo Pro KT400 chipset
agpgart: unable to determine aperture size.

If i use nvagp, i receive the following error in my XFree86.0.log (cat XFree86.0.log | grep AGP):

(**) NVIDIA(0): Option "NvAGP" "1"
(**) NVIDIA(0): Use of NVIDIA internal AGP requested
(II) NVIDIA(0): NVIDIA GPU detected as: GeForce4 Ti 4200 with AGP8X
(WW) NVIDIA(0): Failed to verify AGP usage


Ah, and i tried some parameters for the nvidia module:
options nvidia NVreg_EnableAGPSBA=1 NVreg_EnableAGPFW=1 NVreg_ReqAGPRate=8

Of course it tried it with and without those parameters...



To make it short -> No AGP support at all and no way for me to turn it on -> huge performance loss.

I'd be happy if even agp 4x would work, it does not need to be 8x (since the difference is not big, it doesnt matter..)


And i really want this to be solved, because it sucks if i have to boot windows if i want to play some games from time to time...


If you find a way to solve this problem, you would help me and probably some others alot.


Oh well, i should tell some information about my system:

CPU: 2100+ Athlon
Board: MSI (dont know the exact product name, i'll check, if it's important for you)
Gxf card: Geforce 4 TI 4200 128MB 8x AGP (MSI)

Kernel: 2.4.22-pre9

Using the latest driver installer from nvidia.com

Thanks if you try to help me.
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Old 08-16-03, 03:47 PM   #2
elektronisch
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Join Date: Aug 2003
Posts: 76
Default

is it a ali or via chipset?
as root type modinfo nvidia youll notice some options to enable either the ali or via agp you can also put in /etc/modules.conf:

VIA:
options nvidia NVreg_EnableVia4x 1

ALi:
options nvidia NVreg_EnableALiAGP 1

hope that fixed it
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Old 08-16-03, 09:03 PM   #3
jschellhaass
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Join Date: Feb 2003
Posts: 21
Default

I have a ASUS P48SX (SIS 648 chipset) and have the same problem. I have found that the gentoo aa-sources (2.4.22-pre7) allow agp to work properly.

Jeff
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Old 08-17-03, 12:08 PM   #4
phlunkie
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Join Date: Jul 2003
Posts: 16
Default

Not that this helps any, but I am running mandrake 9.2 beta2 and i get
[root@***** driver]# cat /proc/driver/nvidia/agp/status
Status: Enabled
Driver: NVIDIA
AGP Rate: 8x
Fast Writes: Disabled
SBA: Disabled
Maybe if you get the cooker kernel source and rebuild it, and install, it may solve the problem.
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