Re: nmi_watchdog=2 regression in 2.6.21

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On Tue, 2007-08-28 at 02:12 -0700, Stephane Eranian wrote:
> Daniel,
> 
> On Mon, Aug 27, 2007 at 04:07:54PM -0700, Daniel Walker wrote:
> > On Mon, 2007-08-27 at 15:55 -0700, Stephane Eranian wrote:
> > 
> > > Yet the model name looks strange. So we need to run one more test,
> > > as the fam/model is not enough. What we need to check is whether or
> > > not this processor implements architectural perfmon or not.
> > > 
> > > Could you please compile and run the attached program and send me 
> > > the output?
> > 
> > The output below is all the output ..
> > 
> > eax=0x7280201: version=1  num_cnt=2
> > 
> Then you have a Core Duo processor and the commit from Bjorn should
> fix the problem. If it does not, then there is something else wrong.
> Unfortunately, I do not have a Core Duo machine to try and reproduce.

There must be something else wrong, cause the problem persists .. As I
said in past emails to Bjorn, I tested his commit in git, as well as the
latest git all with the same issue (as well as bisecting git)..

If the hardware is buggy then we need some way to determine that..

If this machine didn't support performance counters, what would happen
then?

Daniel

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