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

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Message-ID: <46E97AFF.30202@pvv.org>
Date:	Thu, 13 Sep 2007 20:01:35 +0200
From:	Jon Ivar Rykkelid <jonry@....org>
To:	Tejun Heo <htejun@...il.com>
Cc:	Jeff Garzik <jeff@...zik.org>, linux-kernel@...r.kernel.org,
	Robert Hancock <hancockr@...w.ca>
Subject: Re: sata_nv issues with MCP51 SATA controller

Resending, as my first attempts contained HTML and was blocked...

Tejun Heo wrote:
> Jon Ivar Rykkelid wrote:
>   
>> Thanks for the suggestion, but sata_nv is not built modular in my
>> current kernel, so "no can do" at the moment
>> (However, if some expert REALLY thinks this will fix things, I will
>> CERTAINLY recompile and give it a go)
>>     
>
> Passing "sata_nv.adma=0" as kernel boot parameter will do the trick.
>
>   
Ahh, silly me... Of course!
Ooops, I just got back, and verified: I actually have sata_nv running as 
a module after all on this server... My bad.
I fixed /etc/modprobe.conf to include the following two lines:
"
alias scsi_hostadapter sata_nv
options sata_nv adma=0
...
"

I then ran "mkinitrd" (to ensure that the latest options from 
modprobe.conf were included) in the initrd-image that I load at boot.

- Do you guys think this is worth a try? Anyway, I have rebooted now, so 
I'll test it for a few days and let you know - We'll just have to wait 
and see...
Do you think I should re-enable SMART to provoke a failure, or would 
that be to tempt fate too much? (For now I have not re-enabled SMART)

PS: Is there any way of testing / verifying that sata_nv is now running 
with this option? - I am pretty sure I have done it correctly, but I 
would still like to confirm that the proper option has been passed if 
possible.

Thanks
Jon Ivar

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