Re: 2.6.29-rc4 regression

[Tim Blechmann <tim@klingt.org>]

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>> 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 ...

best, tim

-- 
tim@klingt.org
http://tim.klingt.org

The composer makes plans, music laughs.
  Morton Feldman


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