Re: [discuss] Re: [PATCH] Allow all Opteron processors tochange pstate at same time

From: Joachim Deguara
Date: Mon Jul 17 2006 - 04:06:32 EST


On Sun, 2006-07-16 at 03:56 +0200, Pavel Machek wrote:
> > On Thu, 2006-07-13 at 13:06 +0000, Pavel Machek wrote:
> > > Can you run two such tests *in parallel*? That seemed to break it
> > > really quickly.
> > parallel sounds fun, but I don't get it. Two machine or trying to
> go
> > online and offline at the same time? Firestorming two busy parallel
>
> Trying to online and offline at the same time.
>
> > while loops, one turning the core offline and the other online, did
> not
> > bring an oops so I guess this kernel is in the clear in that regard.
>
> Better run two tight loops, each doing online; offline. I got reports
> it crashed machines before, but maybe it is solved.

yeah, that's what I did. Somethings are easier described in bash than in
english. Nothing crashed or oopsed so the green light is there for
online and offline in 2.6.18-rc1 (with my setup).

-joachim



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