Subject: Re: PROBLEM: ICH6M not recognised as being AHCI capable (libata)
From: Erik Slagter <erik@slagter.name>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
In-Reply-To: <428B86E5.4090104@pobox.com>
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	 <428B86E5.4090104@pobox.com>
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Date: Wed, 18 May 2005 20:24:41 +0200
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On Wed, 2005-05-18 at 14:18 -0400, Jeff Garzik wrote:
> Erik Slagter wrote:
> > 1. ICH6M not recognised as being AHCI capable (libata)
> > 
> > 2. During startup, libata refuses to talk to the ICH6 using AHCI, I get
> > these messages: 
> > 
> > libata version 1.10 loaded.
> > ahci version 1.00
> > ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 17 (level, low) -> IRQ 201
> > ahci: probe of 0000:00:1f.2 failed with error -12
> > ata_piix version 1.03
> > 
> > [-12 == ENOMEM???]
> 
> You need to either load ata_piix driver, or tell your BIOS to initialize 
> AHCI mode.

I do have ata_piix loaded (as you can see in the log). I don't have a
BIOS option to enable AHCI mode, I was hoping linux could force it
somehow.

BTW It works using the ata_piix driver (in legacy mode), but of course
I'd rather have the AHCI mode.
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