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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 15:30:51 +1000
Cc: Joshua West <jwest@xxxxxxxxxxxx>
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Thread-topic: [Xen-devel] Error restoring DomU when using GPLPV
> 
> It seems that somewhere along the line Xen started using an event
> channel to trigger a suspend, as opposed to the 'shutdown' xenstore
> value. Is there anything else there I need to know about?
> 

Actually that seems to be unrelated the problem (I found this out after
adding suspend evtchn support to gplpv...)

The actual error is that the call to xc_memory_op passes 33 as
nr_extents, but the return value is 32, which is an error condition. Is
it not counting an already allocated page in the PVonHVM case or
something?

XendCheckpoint:417 calls xc_domain_restore which calls
xc_domain_memory_increase_reservation.

Does XENMEM_increase_reservation mean "increase reservation _by_ X" or
"increase reservation _to_ X"?

James

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