NVRM: AGP cannot be enabled on this combination of the AMD CPU and OS kernel

RW list-freebsd-2004 at morbius.sent.com
Sun Sep 25 17:34:48 PDT 2005


On Sunday 25 September 2005 22:41, dick hoogendijk wrote:
> On Sun, 25 Sep 2005 22:06:48 +0100
>
> > http://www.nvnews.net/vbulletin/showthread.php?t=52388
>
> OK, I read the news msgs on this board and get the impression you're
> trying to say to me it's because I use an amd64? But I run a normal
> i386 FreeBSD OS on this machine, one for which the nvidia driver is
> written. So I don't expect 64bit warnings on this 32bits machine.

No, people getting this problem are using i386 on an AMD 64 (there is no 
nvidia driver for amd64, you have to use the open source nv driver).

The problem, as I understand it, is that neither the FreeBSD nor the NVidia 
AGP driver works with the nvidia driver on some AMD 64s. Consequently you 
don't get the full data transfer rate of the AGP slot.

Personally I don't see any consequnces of this,  for example OpenGL works 
perfectly well on Quake 2.


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