On Mon, Mar 20, 2006 at 07:16:37PM -0800, Roland Dreier wrote:
> > nommu_map_sg: overflow 11b8a9000+4096 of device mask ffffffff
>
> Never mind, I'm (sort of) an idiot. The kernel that complained like
> that had CONFIG_GART_IOMMU=n -- I foolishly thought, "I have a Xeon,
> which can't do GART IOMMU, so I don't need that option." I didn't
> realize that it also enables swiotlb. Once I read the help text I was
> OK.
In theory it should be possible to turn just swiotlb on, but at the
moment it requires gart due to the way pci-dma is structured. If
someone is looking for a little side project, this could be a good
one.
Cheers,
Muli
--
Muli Ben-Yehuda
http://www.mulix.org | http://mulix.livejournal.com/
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