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From: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
To: Justin Hibbits <jrh29@po.cwru.edu>
Subject: Re: regression between 2.4.18 and 2.4.21/22
Date: Mon, 6 Oct 2003 01:22:30 +0200
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Please narrow down kernel version if you want your problem to be cared.

Try 2.4.19, 2.4.20.  There are also intermediate prepatches at
http://www.kernel.org/pub/linux/kernel/v2.4/testing/old/

dmesg output and .config can also be useful.

--bartlomiej

On Sunday 05 of October 2003 22:21, Justin Hibbits wrote:
> Something very strange is going on with my machine.  With 2.4.18, I was
> getting 38MB/s on my main system disk (IBM Deskstar 60gxp), and 35 for
> the other drives (Western Digital).  The IBM drive is on a Promise IDE
> controller (ASUS A7V266-E motherboard), and the others are on a PROMISE
> 2069 UDMA133 controller.  However, with 2.4.21 and 2.4.22, it will not
> set the using_dma flag for my IBM drive, but sets it for the others,
> which now get sustained transfer rates of 46MB/s or greater.  I'm using
> the same options for all 3 kernels (at least, for the ATA/IDE options).
>   Any help would be appreciated, and I'll see if maybe I could do
> something with it when I get time.