linux-kernel - Re: 2.6.24-rc1-gb4f5550 oops

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Message-ID: <20071114155923.GB18037@elte.hu>
Date:	Wed, 14 Nov 2007 16:59:23 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Oleg Nesterov <oleg@...sign.ru>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Grant Wilson <grant.wilson@....co.uk>,
	Peter Zijlstra <peterz@...radead.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>,
	linux-kernel@...r.kernel.org,
	Dmitry Adamushko <dmitry.adamushko@...il.com>
Subject: Re: 2.6.24-rc1-gb4f5550 oops


* Oleg Nesterov <oleg@...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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