Message-ID: <394418014.24002@ustc.edu.cn>
Date: Wed, 7 Nov 2007 14:46:47 +0800
From: Fengguang Wu <wfg@mail.ustc.edu.cn>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: David <david@unsolicited.net>, Andrew Morton <akpm@linux-foundation.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: 2.6.24-rc1 - Regularly getting processes stuck in D state on
	startup
References: <472F5F8B.7090200@unsolicited.net> <E1IpJLy-0002ag-TL@localhost> <394337271.18157@ustc.edu.cn> <20071107141717.6eb0dc25.sfr@canb.auug.org.au> <20071107142609.071532ad.sfr@canb.auug.org.au>
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On Wed, Nov 07, 2007 at 02:26:09PM +1100, Stephen Rothwell wrote:
> On Wed, 7 Nov 2007 14:17:17 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> >
> > On Tue, Nov 06, 2007 at 04:00:06PM +0800, Fengguang Wu wrote:
> > > 
> > > Could you try with the attached 4 patches? Two of them are expected to
> > > fix your problem, another two are debugging ones(in case the problem
> > > persists).
> > 
> > Applying these four patches fixes it for me.  Obviously the reiserfs patch
> > was not relevant in  my case (only using ext3).
> 
> I am now running on a kernel with just the
> mm-speed-up-writeback-ramp-up-on-clean-systems.patch applied and I am
> seeing no hangs.

Thank you(including David:-)) for the confirmation.

Andrew: so mm-speed-up-writeback-ramp-up-on-clean-systems.patch is a
safe and working patch ;-)

Fengguang

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