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Date: Wed, 19 Apr 2006 18:08:56 +0100 (BST)
From: Hugh Dickins <hugh@veritas.com>
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To: Arkadiusz Miskiewicz <arekm@maven.pl>
cc: Jeff Chua <jeffchua@silk.corp.fedex.com>, Jeff Garzik <jeff@garzik.org>,
       Matt Mackall <mpm@selenic.com>, Jens Axboe <axboe@suse.de>,
       Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: sata suspend resume ...
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On Wed, 19 Apr 2006, Arkadiusz Miskiewicz wrote:
> On Wednesday 19 April 2006 18:13, Hugh Dickins wrote:
> >
> > I was delighted to see the MSI suspend/resume fix go into 2.6.17-rc2,
> > but then disappointed. 
> 
> Are you using ahci or ata_piix? It seem that people have success with AHCI
> but not with ata_piix. 

I'm using ata_piix.  But I may have misled you.  I didn't mean to imply
any deficiency in the MSI suspend/resume fix: it's just that it sounded
like the answer to whatever my problem was, and probably is a good part
of the answer, but it now looks like I had more than one problem.

> My ThinkPad Z60m has
> 00:1f.2 IDE interface: Intel Corporation 82801FBM (ICH6M) SATA Controller (rev 
> 03)
> which afaik is AHCI capable but only if BIOS initializes it in ahci mode ;-/
> Unfortunately there is no such option in BIOS (I've checked latest available 
> bios - 1.14).
> 
> Is it possible to initialize this controller in AHCI mode by Linux itself 
> without BIOS help? (where possible means ,,possible but not implemented'', 
> too)

Someone else will have to answer that one: sorry, I've no idea.

Hugh