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RE: [Xen-users] GPLPV drivers suspected to hinder live migration to different CPU type


  • To: "Bart Coninckx" <bart.coninckx@xxxxxxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Wed, 30 Mar 2011 22:19:06 +1100
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 30 Mar 2011 04:20:38 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: Acvuyxx9pEhTRurKRBWbwuP0jICO0gAAPN2Q
  • Thread-topic: [Xen-users] GPLPV drivers suspected to hinder live migration to different CPU type

> 
> I actually did that and in xentop you see the memory being built up to
the
> actual value and then the DomU just disappears. If you do it the other
way,
> the machine is migrated, but if you migrate back, the migration seems
to take
> for ever and the original DomU has crashed with a blue screen.
> 

What is the BSoD code?

If you are running the debug version of the driver, there should be some
useful stuff in /var/log/xen/qemu-dm-<domu name>.log which could help me
debug the problem.

James

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