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Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it


  • To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
  • From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
  • Date: Wed, 11 Mar 2009 10:43:04 -0700 (PDT)
  • Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
  • Delivery-date: Wed, 11 Mar 2009 10:43:33 -0700
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Sorry, i may try. Just one question

Is version a changeset number ?


--- On Wed, 3/11/09, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] Re: [PATCH] xen: mask XSAVE in cpuid since we don't allow guests to use it
To: bderzhavets@xxxxxxxxx
Cc: "Xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>
Date: Wednesday, March 11, 2009, 1:04 PM

Boris Derzhavets wrote:
> >Could you try bisecting xen-unstable to see which change started
failing for
> >you? There were some recent changes to the hotplug scripts which
could have
> > introduced a problem.
> No. It's above me.
>

If you're fetching xen-unstable with "hg" and building it, then
you have everything you need to do bisection:

1. hg bisect -r
2. hg bisect -g <known good version>
3. hg bisect -b <known bad version>
4. build as usual and test
1. if works: hg bisect -g
2. if not: hg bisect -b
5. repeat 4 until first bad version has been isolated

Thanks,
J

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