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From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Ondrej Zary <linux@rainbow-software.org>,
	Grant Coady <grant_lkml@dodo.com.au>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Odd IDE performance drop 2.4 vs 2.6?
Date: Tue, 14 Jun 2005 00:06:42 +1000	[thread overview]
Message-ID: <42AD92F2.7080108@yahoo.com.au> (raw)
In-Reply-To: <1118669975.13260.23.camel@localhost.localdomain>

Alan Cox wrote:
> On Llu, 2005-06-13 at 11:43, Ondrej Zary wrote:
> 
>>I see this problem too with i430TX chipset (the south bridge and thus 
>>IDE controller is the same as in i440LX/EX and BX/ZX).
> 
> 
> Make sure you have pre-empt disabled and the antcipatory I/O scheduler
> disabled. 
> 

I don't think that those could explain it.

Increasing readahead with the `blockdev` command has been known
to fix similar reports.

Send instant messages to your online friends http://au.messenger.yahoo.com 

  reply	other threads:[~2005-06-13 14:06 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-13  4:03 Odd IDE performance drop 2.4 vs 2.6? Grant Coady
2005-06-13 10:43 ` Ondrej Zary
2005-06-13 13:39   ` Alan Cox
2005-06-13 14:06     ` Nick Piggin [this message]
2005-06-13 15:09       ` Alan Cox
2005-06-13 17:01         ` Ondrej Zary
2005-06-13 20:25         ` Jens Axboe
2005-06-14  2:20         ` Nick Piggin
2005-06-15 19:15         ` Ondrej Zary
2005-06-17 12:40           ` Alan Cox
2005-06-17 13:43             ` Ondrej Zary
2005-06-13 18:13     ` Grant Coady

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