Re: 2.6.29-rc4 regression

[Mike Galbraith]

On Tue, 2009-02-17 at 22:56 +0100, Tim Blechmann wrote:
> >> hm, i just tried to compile 2.6.28 with this patch applied, and there
> >> the NMIs are delivered correctly.
> >>
> >>> Thanks Tim, on later kernels, is it the behaviour you mentioned that
> >>> no NMIs are delivered and you do not receive any NMI?
> >> on the current 2.6.29-rc5, no NMIs are delivered. however i have also
> >> applied the performance counter branch from tip, maybe that interferes
> >> with oprofile?
> > 
> > Hm.
> > 
> > If you're using latest tip, there _should_ be no interference.  There
> > was a problem a short while back in that both perfcounters and oprofile
> > register die handlers, but that was resolved by increasing oprofile's
> > handler priority, so that it takes over NMI handling while profiling.
> 
> well, it seems to be a perfcounters vs. oprofile issue. when i applied
> the patch i posted earlier onto vanilla 2.6.29-rc5, NMIs were delivered ...

Ok, I replied wrt the perfcounters _branch_ you added, and NMI delivery.

	-Mike

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