From: "Jan Niklas Hasse" <jhasse@gmail.com>
To: "Alan Cox" <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel@vger.kernel.org
Subject: Re: libata - DMA problems ICH7 rev 02
Date: Fri, 2 May 2008 22:03:00 +0200 [thread overview]
Message-ID: <8dacd7b30805021303r558c238cs6dacaa0710858987@mail.gmail.com> (raw)
In-Reply-To: <20080502135833.2248900e@core>
On Fri, May 2, 2008 at 2:58 PM, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> > my BIOS didn't support it), but none of them worked (every time my
> > harddisk is loading my CPU is spammed with IOWait).
>
> Then you must have a different problem ?
Maybe, but it seems as DMA isn't used. Everytime my hard disk is
reading/writing my system gets very slow. Here's the line when i run
top:
Cpu(s): 12.6%us, 5.4%sy, 0.0%ni, 6.5%id, 74.2%wa, 0.5%hi, 0.8%si, 0.0%st
The thing I mean is "wa".
> > Output of uname -a and lspci is attached.
> >
> > I hope you can help me, very hard to work without DMA.
>
> Please send the output of "dmesg" after boot
Okay, I pasted it here: http://rafb.net/p/KiWhqE72.html
next prev parent reply other threads:[~2008-05-02 20:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-02 11:37 Jan Niklas Hasse
2008-05-02 12:58 ` Alan Cox
2008-05-02 20:03 ` Jan Niklas Hasse [this message]
[not found] <fa.6VoLd5Q2gfHHZZfYneNkQcGjXKk@ifi.uio.no>
[not found] ` <fa.kzdMLVO0bqLAbXEBqWrKyBntgxc@ifi.uio.no>
[not found] ` <fa.h4D6h2c4Yz08K7snVTVtewbsziM@ifi.uio.no>
2008-05-03 2:38 ` Robert Hancock
2008-05-12 15:55 ` Jan Niklas Hasse
2008-05-13 0:20 ` Robert Hancock
[not found] ` <8dacd7b30805280634s77492f0ag15ee65150f8bedad@mail.gmail.com>
2008-05-28 13:36 ` Jan Niklas Hasse
2008-05-29 0:11 ` Robert Hancock
[not found] <apfPr-7Wy-9@gated-at.bofh.it>
[not found] ` <apfPr-7Wy-11@gated-at.bofh.it>
[not found] ` <apfPr-7Wy-13@gated-at.bofh.it>
[not found] ` <apfPr-7Wy-7@gated-at.bofh.it>
[not found] ` <asIBE-5hO-19@gated-at.bofh.it>
[not found] ` <asQps-5qO-19@gated-at.bofh.it>
[not found] ` <ayu33-1mH-39@gated-at.bofh.it>
[not found] ` <ayu32-1mH-37@gated-at.bofh.it>
2008-05-28 15:03 ` Alan Jenkins
2008-05-28 15:04 ` Alan Jenkins
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