From: Nuno Silva <nuno.silva@vgertech.com>
To: Shaun Savage <savages@savages.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: kernel 2.6t9 SATA slower than 2.4.20
Date: Mon, 27 Oct 2003 13:43:45 +0000 [thread overview]
Message-ID: <3F9D2111.3020109@vgertech.com> (raw)
In-Reply-To: <3F9D196C.9080301@savages.net>
Hi!
Shaun Savage wrote:
> I have just compiled and installed kernel 2.6t9 on my RH9 / Asus A7N8X
> Deluxe. I find the disk access is slower using the 2.6 kernel than the
> 2.4.20 kernel.
>
> To get it to work for 2.4.20 kernel I have to use
> # hdparm -d1 -X88 /dev/hde
> then the buffered disk read goes from 1.5M to 55M
>
> On the 2.6 kernel the buffered disk read is only 16M
>
> What do I have to do to increase the disk speed for kernel 2.6t9?
>
I bet it's the "beat to death in lkml" issue with readahead.
What's the output of cat /proc/ide/hdX?
Regards,
Nuno Silva
> Shaun Savage
>
next prev parent reply other threads:[~2003-10-27 13:43 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-27 13:11 kernel 2.6t9 SATA slower than 2.4.20 Shaun Savage
2003-10-27 13:33 ` Ed Tomlinson
2003-10-27 13:43 ` Nuno Silva [this message]
2003-10-27 13:53 ` Jeff Garzik
2003-10-27 14:48 ` Arve Knudsen
-- strict thread matches above, loose matches on Subject: below --
2003-10-27 15:56 Shaun Savage
2003-10-27 16:59 ` Jeff Garzik
2003-10-27 17:36 ` Arve Knudsen
2003-10-27 18:15 ` Jeff Garzik
2003-10-27 21:15 ` Arve Knudsen
2003-10-27 22:09 ` Jeff Garzik
2003-10-27 18:08 ` Bob Johnson
2003-10-27 18:17 ` Jeff Garzik
2003-10-28 4:14 ` Shaun Savage
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