From: Shaun Savage <savages@savages.net>
To: jgarzik@pobox.com, linux-kernel@vger.kernel.org, edt@aei.ca,
nuno.silva@vgertech.com
Subject: Re: kernel 2.6t9 SATA slower than 2.4.20
Date: Mon, 27 Oct 2003 07:56:31 -0800 [thread overview]
Message-ID: <3F9D402F.9050509@savages.net> (raw)
>Are you using CONFIG_SCSI_SATA in 2.6?
No, but I am trying now.
GREAT is works,
but the disk went from hda back to hde
> Jeff
===================================================================
>I bet it's the "beat to death in lkml" issue with readahead.
>What's the output of cat /proc/ide/hdX?
it hda see attached file "proc_ide_hda"
now the disk is hde again, do you want another proc files file?
>Regards,
>Nuno Silva
--------------------------------------------------------------------
>What happens with you really test? ie. using programs (bonnie, iozone
etc)
>to test disk speed? Is it still slower? I think that hdparm does not
>tell the complete
>story.
No I have not but I will. But I assume that from 55M to 15M something
is not configured correct.
>Ed Tomlinson
---------------------------------------------------------------------
> 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
next reply other threads:[~2003-10-27 15:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-27 15:56 Shaun Savage [this message]
2003-10-27 16:59 ` kernel 2.6t9 SATA slower than 2.4.20 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
-- strict thread matches above, loose matches on Subject: below --
2003-10-27 13:11 Shaun Savage
2003-10-27 13:33 ` Ed Tomlinson
2003-10-27 13:43 ` Nuno Silva
2003-10-27 13:53 ` Jeff Garzik
2003-10-27 14:48 ` Arve Knudsen
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