linux-kernel - Re: regression: 100% io-wait with 2.6.24-rcX

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Message-Id: <E1JCt0n-00048n-AD@localhost.localdomain>
Date:	Thu, 10 Jan 2008 16:43:41 +0800
From:	Fengguang Wu <wfg@...l.ustc.edu.cn>
To:	jplatte@...sa.net
Cc:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org
Subject: Re: regression: 100% io-wait with 2.6.24-rcX

On Thu, Jan 10, 2008 at 09:37:53AM +0100, Joerg Platte wrote:
> Am Donnerstag, 10. Januar 2008 schrieb Fengguang Wu:
> > On Thu, Jan 10, 2008 at 03:30:46PM +0800, Fengguang Wu wrote:
> > > Joerg,
> > >
> > > Can you try the attached patches? Thank you.
> > > I cannot reliably reproduce the bug yet.
> >
> > Please ignore the first patch and only apply the two debugging
> > patches. They will produce many printk messages. The output of
> > `dmesg` will be enough for me.
> 
> Too late, I'm already compiling the kernel. But I have currently another 

It won't hurt, as you don't use XIP.

> problem, because the iowait problem disappeared today after the regular 
> Debian update. I'll try to install the old package versions to make it show 
> up again. Maybe that helps to debug it.

Thank you. I'm running sid, ext2 as rootfs now ;-)

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