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

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, Sep 01, 2011 at 03:42:31PM -0700, 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.

There was a patch on top of it - that made it work under PV.
<sigh>

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