Date: Wed, 14 Nov 2007 16:59:23 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Andrew Morton <akpm@linux-foundation.org>,
       Grant Wilson <grant.wilson@zen.co.uk>,
       Peter Zijlstra <peterz@infradead.org>,
       "Rafael J. Wysocki" <rjw@sisk.pl>,
       Srivatsa Vaddagiri <vatsa@in.ibm.com>, linux-kernel@vger.kernel.org,
       Dmitry Adamushko <dmitry.adamushko@gmail.com>
Subject: Re: 2.6.24-rc1-gb4f5550 oops
Message-ID: <20071114155923.GB18037@elte.hu>
References: <20071114151708.GA12355@tv-sign.ru> <20071114152930.GA1690@elte.hu> <20071114155031.GA12398@tv-sign.ru>
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* Oleg Nesterov <oleg@tv-sign.ru> wrote:

> > > I suspect I see the bug in that area, but I am not sure it can 
> > > explain this trace completely.
> > 
> > there's a fix pending from Dmitry - please see below. It took days 
> > for Grant to trigger the crash so it needs some time to be confirmed 
> > but it could explain the crash in theory.
> 
> Yes I agree, it can explain the crash.
> 
> However, this patch can't fix the bug I was talking about (of course, 
> unless I missed something). It is still possible that the 
> "fair_sched_class" task can have ->se.cfs_rq/parent pointing to the 
> freed memory, no?

yeah, agreed. I've queued up your fix for merging - thanks!

	Ingo
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