Tejun Heo <htejun@xxxxxxxxx> wrote: >> Q: Does the fact that I'm using the GART IOMMU mean that I'm not really using >> using 64-bit DMA at all? > > Can you turn it off and see what happens? I can if I can verify that every other bus-master PCI device in the system can do 64-bit DMA. Do you know how to check that? I haven't found a file under /sys or /proc that tells me what the DMA masks are of various system drivers, but that doesn't mean that it doesn't exist. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
