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RE: [Xen-devel] Error restoring DomU when using GPLPV

To: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Error restoring DomU when using GPLPV
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Tue, 4 Aug 2009 17:58:01 +1000
Cc: Joshua West <jwest@xxxxxxxxxxxx>
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Thread-topic: [Xen-devel] Error restoring DomU when using GPLPV
When the DomU is running, 'xm debug q' looks like:

(XEN) General information for domain 23:
(XEN)     refcnt=3 dying=0 nr_pages=197611 xenheap_pages=33
dirty_cpus={1} max_pages=197632

During restore, it looks like this:
(XEN) General information for domain 22:
(XEN)     refcnt=3 dying=0 nr_pages=196576 xenheap_pages=5 dirty_cpus={}
max_pages=197632

(last capture before the domain ran out of pages)

I added some debugging to libxc and it allocates bunches of 1024 pages
over and over quite successfully but then fails at 33. Presumably
something is counting pages incorrectly somewhere?

James

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