Re: What's the SB600 64-bit DMA problem?

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George Spelvin wrote:
> Just a little followup... I currently have the machine with 8 GB RAM,
> all 4 SB600 channels populated, and 64-bit DMA enabled, operating in
> production.  No problems so far.
> 
> Q: Does the fact that I'm using the GART IOMMU mean that I'm not really using
> 64-bit DMA at all?

Can you turn it off and see what happens?

-- 
tejun
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