Re: [Xen-devel] SWIOTLB allocation failed

["Christopher S. Aker" <caker@xxxxxxxxxxxx>]

Lukas Hejtmanek wrote:
> On Tue, Nov 27, 2007 at 07:33:40PM +0530, pradeep singh rautela wrote:
> > Did you try using swiotlb=XYZ to solve your problem? XYZ is the amount
> > of the memory for swiotlb.
> > Did you get the same crash?
> I noticed that using swiotlb=30000000 probably does not work at all as I got
> the following:
That would attempt to assign 30 million 128k pages, or roughly 3.5 TB of 
memory towards the bounce buffer.  I don't think you want that.
swiotlb defaults to 32 or 64 (I forget) -- try bumping it to 128 or 256.

-Chris


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