Re: [PATCH -v3] perf, x86: try to handle unknown nmis with running perfctrs

Ingo Molnar
2010-08-20T15:25:26Z

* Don Zickus <dzickus@redhat.com> wrote:

> I'll test tip later today to see if I can reproduce it.
>
> Cheers,
> Don
>
> Ingo Molnar <mingo@elte.hu> wrote:
>
> >
> >it's not working so well, i'm getting:
> >
> > Uhhuh. NMI received for unknown reason 00 on CPU 9.
> > Do you have a strange power saving mode enabled?
> > Dazed and confused, but trying to continue
> >
> >on a nehalem box, after a perf top and perf stat run.

FYI, it does not trigger on an AMD box.

Thanks,

Ingo