From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Joachim Deguara" <joachim.deguara@amd.com>
Subject: Re: [discuss] Re: [PATCH] Allow all Opteron processors to
 change pstate at same time
Date: Mon, 17 Jul 2006 09:37:10 +0200
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To: Pavel Machek <pavel@suse.cz>
Cc: "shin, jacob" <jacob.shin@amd.com>, Andi Kleen <ak@suse.de>, "Langsdorf, Mark" <mark.langsdorf@amd.com>, discuss@x86-64.org, linux-kernel@vger.kernel.org, cpufreq@lists.linux.org.uk

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