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From: Andi Kleen <ak@suse.de>
To: Maurice Volaski <mvolaski@aecom.yu.edu>
Subject: Re: The "Out of IOMMU space" error and the "Please enable the IOMMU option" option
Date: Mon, 19 Jun 2006 22:35:52 +0200
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On Monday 19 June 2006 22:09, Maurice Volaski wrote:
> With 2.6.16.20 and iommu=memaper=4,
>
> Jun 19 15:20:31 [kernel] [  103.697664] PCI-DMA: Disabling AGP.
> Jun 19 15:20:31 [kernel] [  103.698226] PCI-DMA: using GART IOMMU.
> Jun 19 15:20:31 [kernel] [  103.698341] PCI-DMA: Reserving 512MB of
> IOMMU area in the AGP aperture
>
> I'm not sure why it tells me it's disabling AGP, but otherwise it looks
> good.

It does that when it can't find an AGP bridge (= no AGP slot). Many
modern systems only have PCI Express.

-andi