From: William Lee Irwin III <wli@holomorphy.com>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: Mika Penttil? <mika.penttila@kolumbus.fi>,
Zwane Mwaikambo <zwane@linuxpower.ca>,
Ingo Molnar <mingo@elte.hu>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [RFC][PATCH][2.5] Possible race in wait_task_zombie and finish_task_switch
Date: Sun, 25 May 2003 13:31:15 -0700 [thread overview]
Message-ID: <20030525203115.GB8978@holomorphy.com> (raw)
In-Reply-To: <3ED0A7CF.9040803@colorfullife.com>
On Sun, May 25, 2003 at 01:23:59PM +0200, Manfred Spraul wrote:
> Hmm. What is schedule.c:746? There is no BUG in that area in the bk tree.
> Zwane, is it easy to reproduce the crash? I could write a patch that
> adds 4 refcounters, then we could find out in which area we must look.
There's a check in -mm that reads an otherwise unused chunk of the task_t
and checks to see if it's slab poison.
-- wli
prev parent reply other threads:[~2003-05-25 20:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-25 10:11 [RFC][PATCH][2.5] Possible race in wait_task_zombie and finish_task_switch Zwane Mwaikambo
2003-05-25 10:27 ` Ingo Molnar
2003-05-25 10:29 ` Zwane Mwaikambo
2003-05-25 11:00 ` Mika Penttilä
2003-05-25 11:23 ` Manfred Spraul
2003-05-25 11:29 ` Zwane Mwaikambo
2003-05-25 20:31 ` William Lee Irwin III [this message]
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