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Old 05-05-03, 09:14 PM   #1
outabout
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Join Date: May 2003
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Default Unsupported Intel chipset device id: 2550, you might want to try agp_try_unsupported

Hi all,

I cannot get my quadro4 900XGL to run in agp mode on Redhat 8
kernel 2.4.18-27.8.0bigmem #1 SMP

Nvidia driver 1.0-4349

When I cat /proc/driver/nvidia/agp/*
I get the below

Fast Writes: Supported
SBA: Supported
AGP Rates: 4x 2x 1x
Registers: 0x1f000217:0x00000000
Host Bridge: PCI device 8086:2550 (Intel Corp.)
Fast Writes: Supported
SBA: Supported
AGP Rates: 4x 2x 1x
Registers: 0x1f004217:0x00000000
Status: Disabled


AGP is Disabled

Have tried the below in the modules.conf

alias char-major-10-175 agpgart
options agpgart agp_try_unsupported=1

But still no luck I get
mtrr: type mismatch for e0000000,8000000 old: uncachable new: write-combining
1: NVRM: AGPGART: unable to set MTRR write-combining


Does any one have any Ideas. I think the E7505 motherboard is a bit too new???

Bye
Richard
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Old 05-06-03, 07:42 AM   #2
bwkaz
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It is too new -- there is no support in your kernel for its AGP. This isn't a problem with the nVidia drivers, it's a problem with the RH kernel.

However, some people have gotten the E7505 to work. Search for that string in just this forum (E7505, that is) to see what they did -- I think they used "NvAGP" "1" (use internal AGP bridge driver), but I don't remember for sure.
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Old 05-06-03, 09:40 PM   #3
outabout
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Hi,

Looks like a bug...

When we run with 2GB of memory all is fine AGP works

Increase this to 4GB of memory and AGP Fails.
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Old 05-06-03, 09:50 PM   #4
Andy Mecham
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What does /proc/mtrr look like?

--andy
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Old 05-06-03, 11:04 PM   #5
outabout
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HI

reg00: base=0xd8000000 (3456MB), size= 128MB: uncachable, count=1
reg01: base=0xe0000000 (3584MB), size= 512MB: uncachable, count=1
reg02: base=0x00000000 ( 0MB), size=4096MB: write-back, count=1
reg03: base=0x100000000 (4096MB), size= 512MB: write-back, count=1
reg04: base=0x120000000 (4608MB), size= 256MB: write-back, count=1
reg05: base=0x130000000 (4864MB), size= 128MB: write-back, count=1

Bye
Richard
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