Re: nVidia FX Support?

Quoting Hendrik Hasenbein <hhasenbe_at_techfak.uni-bielefeld.de>:

> Kenneth Culver wrote:
>
>> Quoting Daniel O'Connor <doconnor_at_gsoft.com.au>:
>>
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>>> On Thu, 6 May 2004 05:48, Kenneth Culver wrote:
>>>
>>>> > If it still hangs, or is unstable, you might try forcing the AGP down to
>>>> > 4x or 2x.  Many motherboards are unstable at 8x.
>>>>
>>>> I'm thinking it's because I had the XFree86-Server-Snap port installed...
>>>> that nvidia driver wasn't designed to work with that server. Also, I have
>>>> the acpi module loaded, and I've heard of that causing problems. The card
>>>> works fine in 8x mode in windows, so I don't think that's the problem.
>>>
>>>
>>> The Windows drivers could have workarounds for broken AGP hardware 
>>> (ie the AGP
>>> driver itself)
>>>
>> I don't think the AGP hardware is broken, but BSD can't seem to route the
>> interrupt correctly for the AGP port. It cause the video card to be 
>> routed to
>> IRQ 11 in FreeBSD, but in Windows, it is routed to irq 16. They 
>> should be the
>> same in both OS's, and since it works in windows, I'm assuming it's FreeBSD
>> that's broken.
>
> No they don't need to be reported as the same interrupt. Just look at
> APIC vs non-APIC. IRQ11 looks like non-APIC, IRQ16 is most likely APIC
> driven.
>
> If you have agp in your kernel, remove that line and preload the
> nvidia.ko from the bootloader. That way my system works with a 5900XT.
> (nforce2, no apic, acpi enabled)
>
> Hendrik

The thing that bugs me is that I have apic in the kernel, and the card 
is still
at irq 11. I already tried removing agp from the kernel along with apic, but
the only thing that shows up on the screen is garbage. (the machine doesn't
hang though :-P.

Ken