From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Garzik <jeff@garzik.org>
Subject: Re: [PATCH] blacklist NCQ on Seagate Barracuda ST380817AS
Date: Sun, 30 Sep 2007 11:59:45 -0400
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To: Paolo Ornati <ornati@fastwebnet.it>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Tejun Heo <htejun@gmail.com>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, linux-ide@vger.kernel.org

Paolo Ornati wrote:
> On Sun, 30 Sep 2007 11:43:38 -0400
> Jeff Garzik <jeff@garzik.org> wrote:
> 
>>> it isn't supported here:
>>> sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA  
>> Did you actually try my suggestion?
> 
> Yes ("libata.fua=1" is ok I think, or it should just be "libata.fua"?):
> ...
> [    0.000000] Kernel command line: root=/dev/sda6 ro vga=0x305 libata.fua=1
> ...
> [  285.004166] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x2 frozen
> ...

Is libata built into the kernel, or a module?

If it is a module, using the kernel command line won't work.

	Jeff