Re: [Xen-devel] Xen linux error message: PCI-DMA: Out of SW-IOMMU space for 65536 bytes at device 0000:02:01.0

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 7/9/07 20:01, "Stefan Berger" <stefanb@xxxxxxxxxx> wrote:

> > You can change to e.g., a 128MB swiotlb by putting ‘swiotlb=128’ on 
> > you dom0 cmdline. 
>
> Not that I find this a good or intuitive solution, but at least now the error messages have disappeared. Couldn't this swiotlb grow automatically when needed? 

No, it is allocated at boot time, and creating a larger one by default would waste memory on most systems.

 -- Keir



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