[Xen-devel] capturing windows crash dumps

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

Windows has provision for a driver to get called when a bug check occurs
(KeRegisterBugCheckCallback etc), and also to get called every time some
data is to be written to the dump file.

I would like to be able to capture that information into Dom0 somehow,
as a few of the bug check's I've had in GPLPV in the past have rendered
the block device driver inoperable and therefore unable to write out the
dump file.

Is there an existing communication channel that could be used for this
or do I need to invent write my own? The more low level the better (as
in xenstore may not be accessible depending on the circumstances of the
crash).

Thanks

James


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