Skip site navigation (1)Skip section navigation (2)
Date:      Thu,  6 May 2004 09:00:49 -0400
From:      Kenneth Culver <culverk@sweetdreamsracing.biz>
To:        Hendrik Hasenbein <hhasenbe@techfak.uni-bielefeld.de>
Cc:        Johan Pettersson <manlix@demonized.net>
Subject:   Re: nVidia FX Support?
Message-ID:  <20040506090049.o4nwg40sw08g84s8@www.sweetdreamsracing.biz>
In-Reply-To: <4099E481.9090201@techfak.uni-bielefeld.de>
References:  <40982623.2090804@bellsouth.net> <409947B8.6050804@mitre.org> <20040505161811.ca8s4c88s48ckoos@www.sweetdreamsracing.biz> <200405061102.57036.doconnor@gsoft.com.au> <20040505224110.egwww084ck8w8scc@www.sweetdreamsracing.biz> <4099E481.9090201@techfak.uni-bielefeld.de>

next in thread | previous in thread | raw e-mail | index | archive | help
Quoting Hendrik Hasenbein <hhasenbe@techfak.uni-bielefeld.de>:

> Kenneth Culver wrote:
>
>> Quoting Daniel O'Connor <doconnor@gsoft.com.au>:
>>
>>> -----BEGIN PGP SIGNED MESSAGE-----
>>> Hash: SHA1
>>>
>>> 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



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20040506090049.o4nwg40sw08g84s8>