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Date: Fri, 4 Jan 2002 12:44:57 +0100 (CET)
From: Ingo Molnar <mingo@elte.hu>
Reply-To: <mingo@elte.hu>
To: David Lang <david.lang@digitalinsight.com>
Cc: =?iso-8859-1?Q?Dieter_N=FCtzel?= <Dieter.Nuetzel@hamburg.de>,
        Linux Kernel List <linux-kernel@vger.kernel.org>,
        Andrea Arcangeli <andrea@suse.de>
Subject: Re: [announce] [patch] ultra-scalable O(1) SMP and UP scheduler
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On Fri, 4 Jan 2002, David Lang wrote:

> Ingo,
> back in the 2.4.4-2.4.5 days when we experimented with the
> child-runs-first scheduling patch we ran into quite a few programs that
> died or locked up due to this. (I had a couple myself and heard of others)

hm, Andrea said that the only serious issue was in the sysvinit code,
which should be fixed in any recent distro. Andrea?

> try switching this back to the current behaviour and see if the
> lockups still happen.

there must be some other bug as well, the child-runs-first scheduling can
cause lockups, but it shouldnt cause oopes.

	Ingo

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