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

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Date:	Wed, 9 Jan 2008 13:22:33 +0100
From:	Joerg Platte <lists@...sa.net>
To:	Fengguang Wu <wfg@...l.ustc.edu.cn>
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

Am Mittwoch, 9. Januar 2008 schrieb Fengguang Wu:

Thank your for the hint with the filesystems!

> Thank you for the clue. However I cannot reproduce the bug on
> ext2/2.6.24-rc7. Can you provide more details? Thank you.

I attached some more information. I'm using the ata_piix driver for my PATA 
disk and cdrom drive and booted with hpet=force. Kernel 2.6.23.X has been 
patched with the -hrt patches to enable the hidden hpet time on the ICH4-M 
chipset. I just rebooted the notebook and mounted /tmp again as ext2 and now 
the iowait problem is back. Seems to be reproducible on my computer. What 
additional information do you need?

regards,
Jörg

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