From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: Playing with SATA NCQ Date: Sun, 29 May 2005 12:34:30 -0400 Message-ID: <4299EF16.2050208@pobox.com> References: <20050526140058.GR1419@suse.de> <1117382598.4851.3.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail.dvmed.net ([216.237.124.58]:25831 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S261351AbVE2Qeh (ORCPT ); Sun, 29 May 2005 12:34:37 -0400 In-Reply-To: <1117382598.4851.3.camel@localhost.localdomain> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Erik Slagter Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, Jens Axboe Erik Slagter wrote: > On Thu, 2005-05-26 at 16:00 +0200, Jens Axboe wrote: > >>Now, this patch is not complete. It should work and work well, but error >>handling isn't really tested or finished yet (by any stretch of the >>imagination). So don't use this on a production machine, it _should_ be >>safe to use on your test boxes and for-fun workstations though (I run it >>here...). I have tested on ich6 and ich7 generation ahci, and with >>Maxtor and Seagate drives. > > > Is this supposed to work on ICH7 in legacy mode as well? Nope. ata_piix does not support NCQ (because the h/w doesn't support). > Another question: is there a fundamental problem to have the ICH6/7 > enabled AHCI mode by the kernel instead of the BIOS? I know some BIOSes > don't offer the choice to enable AHCI (like mine :-(). Not a problem. You just don't get to use AHCI and such. Jeff