linux-kernel - Re: ata_piix can't drive Mac hardware properly

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Message-ID: <20070328040735.GA28824@srcf.ucam.org>
Date:	Wed, 28 Mar 2007 05:07:35 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	kyle@...onical.com
Subject: Re: ata_piix can't drive Mac hardware properly

On Wed, Mar 28, 2007 at 02:16:08AM +0100, Matthew Garrett wrote:

> It's ata_read_native_max_address_ext failing, and it's fine if I use 
> ahci rather than ata_piix, so I'll just chalk this up to Apple's 
> firmware being broken (again) and putting the hardware into some sort of 
> "I can't believe it's not piix" mode and see what I can do about 
> ensuring we use ahci instead.

Slightly oddly, with ata_piix it seems to be failing with AC_ERR_HSM. 
Any idea why that might be?

-- 
Matthew Garrett | mjg59@...f.ucam.org
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