linux-kernel - Re: sata_nv issues with MCP51 SATA controller

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Message-id: <46E9D7DD.30801@shaw.ca>
Date:	Thu, 13 Sep 2007 18:37:49 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Jon Ivar Rykkelid <jonry@....org>, Tejun Heo <htejun@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: sata_nv issues with MCP51 SATA controller

Jeff Garzik wrote:
> Jon Ivar Rykkelid wrote:
>> Hi,
>>
>> I now tested with the adma=0 option, but if anything I got a crash 
>> quicker than before. Same error message started coming in, but this 
>> time the system hung before I was able to capture the log as well (but 
>> I saw the error, and it was the same as before, except that this time 
>> it was the ata3-channel that first started acting up..) - To remind 
>> you all what this is about, I have reattached the log that I 
>> originally captured...
> 
> Sounds like a hardware problem, since disabling ADMA is generally the 
> cure-all we use -- it appears to stress the hardware less.

If this is an MCP51 chipset, adma=0 will make no difference since that 
chipset does not support ADMA in the first place.

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@...pamshaw.ca
Home Page: http://www.roberthancock.com/

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