Re: [Qemu-devel] [Question] dump memory when host pci device is used by guest

[Daniel P. Berrange]

On Mon, Oct 10, 2011 at 12:48:52PM +0200, Paolo Bonzini wrote:
> On 10/10/2011 12:21 PM, Alon Levy wrote:
> >>  A core file would be that format - for direct gdb processing. No
> >>  proprietary re-inventions please.
> >
> >Just a note: A core file to windows core dump file would be nice for
> >windows guest crashes.
> 
> That requires cooperation from a kernel driver in the Windows guest.
> The driver must call KeInitializeCrashDumpHeader and write somewhere
> the physical address of the buffer.

That won't be suitable for 'virsh dump' then, because we need this to
work when the guest OS is in a crashed/non-responsive state, and so
we cna't rely on talking to it.


Daniel.
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