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From: Andrew Morton <akpm@linux-foundation.org>
To: Con Kolivas <kernel@kolivas.org>
Cc: linux-kernel@vger.kernel.org, ck@vds.kolivas.org
Subject: Re: [PATCH] [RSDL-mm 0/6] RSDL cpu scheduler for -mm
Date: Wed, 7 Mar 2007 22:03:33 -0800	[thread overview]
Message-ID: <20070307220333.1d6fff96.akpm@linux-foundation.org> (raw)
In-Reply-To: <200703081625.06383.kernel@kolivas.org>

> On Thu, 8 Mar 2007 16:25:05 +1100 Con Kolivas <kernel@kolivas.org> wrote:
> > It also boots OK on a very similar but somewhat older Nocona machine. 
> > Perhaps due to config changes: 
> > http://userweb.kernel.org/~akpm/ck/config-ok.txt
> 
> Ok I just remembered that not only did I expect the cpu task to never be 
> scheduled and it _might_ be scheduled on sched_init, it is actually 
> _consciously_ scheduled on hotplug cpu which I have no way of handling at the 
> moment. On both your configs I noticed you had hotplug cpu enabled, but 
> perhaps it isn't really being used on the more conservative config. So this 
> is something I already know I need to handle. Did your ppc that had 
> the "bitmap error" have hotplug cpu enabled? It might be an unrelated 
> bug^Wphenomenon.

The powerpc config has CONFIG_HOTPLUG_CPU=n

  reply	other threads:[~2007-03-08  6:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-07  1:26 [PATCH] [RSDL-mm 0/6] RSDL cpu scheduler for -mm Con Kolivas
2007-03-08  1:43 ` Andrew Morton
2007-03-08  2:54   ` Andrew Morton
2007-03-08  4:15     ` Andrew Morton
2007-03-08  5:25       ` Con Kolivas
2007-03-08  6:03         ` Andrew Morton [this message]
2007-03-08  4:22     ` Con Kolivas
2007-03-09  5:13     ` Con Kolivas

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