RE: [Xen-devel] capturing windows crash dumps

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> On 18/08/2009 11:42, "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
wrote:
> 
> >> Could it be as simple as write the guest physical address of a
> > pre-allocated
> >> buffer into xenstore (from GPLPV drivers)? Then dump that area of
> > guest
> >> memory on guest bugcheck, even as a manual operation from dom0?
> >
> > The memory in question could be anything from 64kb (minidump) to the
> > size of DomU memory (full dump) or somewhere inbetween (kernel
dump).
> > I'm normally just interested in the kernel dump which is normally a
much
> > more respectable size, but still not the size of memory you can
easily
> > find when the system has gone belly up.
> 
> Hmm, okay. Could you dump it out over the emulated serial line?
> 

I was thinking about that. It could work, then I could just do 'xm
console <domu> >dump' and parse the dump from there or something.

James


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