linux-kernel - Re: bug? 2.6.26-rc8-mm1, corrupted dcache

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Message-Id: <200807301652.23024.nickpiggin@yahoo.com.au>
Date:	Wed, 30 Jul 2008 16:52:22 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	hooanon05@...oo.co.jp
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: bug? 2.6.26-rc8-mm1, corrupted dcache

On Wednesday 30 July 2008 16:40, hooanon05@...oo.co.jp wrote:
> Hello,
>
> A filesystem stress test script racer.sh caused a problem in
> 2.6.26-rc8-mm1. I am not sure it is caused by some changes to memory
> management or handling dentry in proc_flush_task_mnt().
> Is this problem already known and fixed?

This looks a bit like the PREEMPT_RCU problem that was fixed just
before 2.6.26. Do you have PREEMPT_RCU=y and HOTPLUG_CPU=n in your
config?
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