linux-kernel - Re: 2.6.23.17 & 2.6.24.5 and maybe earlier: pata_marvell: need to disable DMA to get rid of '(ATA bus error)', 'ata7.00: status: { DRDY ERR }', 'ata7.00: error: { ICRC ABRT }'

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Message-ID: <20080506200421.64491c30@core>
Date:	Tue, 6 May 2008 20:04:21 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Martin MOKREJŠ <mmokrejs@...osome.natur.cuni.cz>
Cc:	Robert Hancock <hancockr@...w.ca>,
	Jan Engelhardt <jengelh@...ozas.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.23.17 & 2.6.24.5 and maybe earlier: pata_marvell: need to
 disable DMA to get rid of '(ATA bus error)', 'ata7.00: status: { DRDY ERR
 }', 'ata7.00: error: { ICRC ABRT }'

On Tue, 06 May 2008 18:24:39 +0200
Martin MOKREJŠ <mmokrejs@...osome.natur.cuni.cz> wrote:

> Alan Cox wrote:
> > O> /dev/sde:
> >> ATA device, with non-removable media
> >>         Model Number:       Delock 54111 512MB                      
> >>         Serial Number:      
> >>         Firmware Revision:  Ver1.27 
> > 
> > Does seem to think its ATA not CFA I guess you'll need to specify pio for
> > that device specifically.
> 
> Sorry for my ignorance ... How?

On a current kernel (Tejun only recently added this)

libata.force= ...

see Documentation/kernel-parameters.txt
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