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SubjectRe: [RFC 5/6] x86, NMI, Add support to notify hardware error with unknown NMI
On Mon, 13 Sep 2010 15:36:55 -0400
Don Zickus <dzickus@redhat.com> wrote:

> On Mon, Sep 13, 2010 at 08:36:54PM +0200, Andi Kleen wrote:
> >
> > > >
> > > > But if it's generic if not on the screen it should
> > > > be at least in the error serialization data and logged after
> > > > boot.
> > >
> > > I guess I don't know what that is, 'error serialization data'. Is
> > > there somewhere I can read more about it?
> >
> > That's already supported in MCE -- saving the error record to NVRAM
> > and logging it after reboot. NMI should probably do the same.
> > It's much nicer than getting it from a console.
>
> Hmm, that assumes these boxes have NVRAM. I am not sure if many of
> the boxes I see with problems have NVRAM on them.

Practically every PC has a small amount of NVRAM.

-Andi



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