Re: [Xen-devel] IOMMU fault with IGD passthrough setup on XEN 4.8.0

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 17.01.17 at 16:08, <firemeteor@xxxxxxxxxxxxxxxxxxxxx> wrote:
> But fortunately commenting out that line could still reproduce the IOMMU
> fault.
> I was lucky to capture the full log before it fills up my 100MB ring buffer
> (in less than 2 seconds).

So here's a first take at a debugging patch. I've tried to limit existing
output, so that you'd have better chance of again capturing all
interesting messages.

Jan

Attachment: RMRR-mapping.patch
Description: Text document

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