Re: [Xen-devel] [Xen-deve] xen/stable-2.6.32.x bare-metal: panic early exception 0e rip 10:0 error 10 cr2 0

[M A Young <m.a.young@xxxxxxxxxxxx>]

On Thu, 1 Sep 2011, Jeremy Fitzhardinge wrote:

> On 09/01/2011 02:29 PM, M A Young wrote:
> > On Wed, 31 Aug 2011, M A Young wrote:
> >
> > > On Fri, 19 Aug 2011, Andreas Olsowski wrote:
> > >
> > > > Source:
> > > > git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git
> > > >
> > > > Tested branches:
> > > > xen/stable-2.6.32.x
> > > > xen/next-2.6.32.x
> > > >
> > > > When trying to boot the current kernel bare-metal it will not load
> > > > properly, instead i am prompted with:
> > > >
> > > > panic early exception 0e rip 10:0 error 10 cr2 0
> > > I am seeing this as well. I have been trying to narrow it down a bit,
> > > and it seems to me that the bug was introduced somewhere between
> > > xen-2.6.32.39 and xen-2.6.32.42.
> > xen-2.6.32.40 also crashes. I think that means that it is either
> > commits c3dd7941354fa96a71f2613e2c7a1b215fa175dc or
> > 280802657fb95c52bb5a35d43fea60351883b2af (or something in the stable
> > kernel or else compile differences though both are unlikely). I am
> > still working on this to confirm which patch it is.
> 280802657fb95c5 is unlikely - that's just a blkback change.
>
> c3dd7941354fa96 looks plausible.
Yes, xen-2.6.32.40 with c3dd7941354fa96a71f2613e2c7a1b215fa175dc reverted 
will boot on bare metal.
        Michael Young

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