Re: [Xen-devel] "Iomem mapping not permitted" during windows crash dump under GPLPV

[Paul Durrant <paul.durrant@xxxxxxxxxx>]

Keir Fraser wrote:
> On 30/01/2010 08:30, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote:
>
> > So there is definitely nothing I could tell Xen to do with a DomU PFN
> > that would remove the p2m mapping?
> If you balloon out a page, that would do it.
Yes, it certainly would and I've seen it many times. I'm fairly sure 
that by just ignoring the failed block writes coming back from 
blkback/tap and carrying on you still end up with a usable MEMORY.DMP 
after reboot.
  Paul

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Paul Durrant, Software Engineer

Citrix Systems (R&D) Ltd.
First Floor, Building 101
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