Messages in this thread | | | Date | Tue, 21 Mar 2006 09:11:41 +0200 | From | Muli Ben-Yehuda <> | Subject | Re: nommu_map_sg: overflow with ata_piix? |
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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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