On Fri, Sep 11, 2009 at 04:04:00PM -0400, Mark Hounschell wrote: > A quick readup on the IOMMU makes me think that if it does use one, that > could certainly cause my problem. I'm using bus addresses plugged into > page tables that live in the gpiohsd card obtained from virt2bus. If you haven't yet, take a look at Documentation/DMA-API.txt and DMA-mapping.txt . virt2bus has been deprecated for DMA since 2.4 releases. grant -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
