From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Hang during boot in piix_init_pcs (ata_piix.c) with macbook pro Date: Mon, 19 Nov 2007 22:05:06 +0900 Message-ID: <47418A02.2080801@gmail.com> References: <47371586.9090409@tng.de> <47386F3E.8000906@gmail.com> <47407DD8.10301@tng.de> <47412E96.6070701@gmail.com> <474188A9.3020701@tng.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from wa-out-1112.google.com ([209.85.146.178]:47449 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752375AbXKSNFO (ORCPT ); Mon, 19 Nov 2007 08:05:14 -0500 Received: by wa-out-1112.google.com with SMTP id v27so1959900wah for ; Mon, 19 Nov 2007 05:05:13 -0800 (PST) In-Reply-To: <474188A9.3020701@tng.de> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Thomas Rohwer Cc: linux-ide@vger.kernel.org, "Gaston, Jason D" Thomas Rohwer wrote: >> One question. Does macbook's firmware allow putting the controller into >> ahci mode? > > Do you mean, that one can configure the firmware, so that it puts the > controller in ahci mode during boot? I don't know. There seems to be no > user interface > for the firmware. The refit bootloader is able to manipulate efi setting > variables, but one would need some documentation to understand the > meaning of them. > > Or do you mean, that one can switch to ahci mode under linux? I meant the former. Can you post the result of "lspci -nnvvvxxx"? Thanks. -- tejun