From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: (no subject)
Date: Fri, 6 Apr 2012 11:14:27 -0400
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To: Wei Huang <wei.huang2@amd.com>
Cc: Francisco Rocha <f.e.liberal-rocha@newcastle.ac.uk>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>, Andrew Cooper <andrew.cooper3@citrix.com>
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On Fri, Apr 06, 2012 at 09:51:52AM -0500, Wei Huang wrote:
> Then I think your Dom0 (i.e. kernel 3.x.x) has some problems with
> xsave/xrstor.

Hm .

.. snip..
> >kernel /boot/xen.gz blah blah xsave=0
> >module blah blah
> >blah
> >
> >Oh, i see, it's some new functionality. I will try it tomorrow and then let you know how it goes.
> >
> >Thank you for the help.
> >
> >Francisco
> >
> >-Wei
> >
> >>Anyway, shouldn't Xen support it?
> >>
> >>cheers,
> >>Francisco
> >The xsave=0 command line parameter solves the problem.

Francisco,

What version of Xen do you have? Xen 4.1? What is the motherboard/CPU combination.