From: Rafael Pereira <gotrooted@pop.com.br>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Nesimi Buelbuel <nesimi.buelbuel@gmx.de>
Subject: Re: High CPU usage for disk I/O while DMA is enabled
Date: Sun, 25 Jul 2004 12:42:36 -0300 [thread overview]
Message-ID: <1090770156.21875.2.camel@osts> (raw)
In-Reply-To: <20040725172533.672ad447@gasmaske>
On Sun, 2004-07-25 at 12:25, Nesimi Buelbuel wrote:
> actually I have compiled it into the Kernel.
>
> here is a grep from all DMA related Kernel options:
>
> CONFIG_GENERIC_ISA_DMA=y
> CONFIG_BLK_DEV_IDEDMA_PCI=y
> # CONFIG_BLK_DEV_IDEDMA_FORCED is not set
> CONFIG_IDEDMA_PCI_AUTO=y
> CONFIG_IDEDMA_ONLYDISK=y
> CONFIG_BLK_DEV_ADMA=y
> CONFIG_BLK_DEV_IDEDMA=y
> # CONFIG_IDEDMA_IVB is not set
> CONFIG_IDEDMA_AUTO=y
What is your motherboard ???
You must enable in .config the right IDE busmaster for your mobo.
Rafael.
next prev parent reply other threads:[~2004-07-25 15:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-25 11:05 High CPU usage for disk I/O while DMA is enabled Nesimi Buelbuel
2004-07-25 14:50 ` Rudo Thomas
2004-07-25 15:25 ` Nesimi Buelbuel
2004-07-25 15:42 ` Rafael Pereira [this message]
[not found] <2lP3i-3pV-13@gated-at.bofh.it>
[not found] ` <2lSDW-5Ln-13@gated-at.bofh.it>
[not found] ` <2lT6Y-69m-27@gated-at.bofh.it>
[not found] ` <2lTqe-6jZ-9@gated-at.bofh.it>
2004-07-25 16:28 ` Nesimi Buelbuel
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