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Re: AMD64-generic doesn't see all 4GB RAM?

On Wed, 8 Nov 2006, Hamish Moffatt wrote:

Maybe there is nowhere to map the card's buffers into the bottom 4Gb of
RAM when you have 4Gb of real RAM available. (This would seem to be a
problem with all PCI cards plus AGP cards etc but maybe most systems
or cards have a workaround?)

Google has hits for this error from this driver eg

And there's a kernel patch in the thread which may be in recent kernels;
boot with "iommu=soft swiotlb=force" to try the workaround.

Thanks, tried, same as before (no go).



Giacomo Mulas <gmulas@ca.astro.it>

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