From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: question about SATA and IDE DVD/CD drives. Date: Fri, 02 Jul 2004 11:38:37 -0400 Sender: linux-ide-owner@vger.kernel.org Message-ID: <40E5817D.4000408@pobox.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:30425 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S263085AbUGBPiu (ORCPT ); Fri, 2 Jul 2004 11:38:50 -0400 In-Reply-To: List-Id: linux-ide@vger.kernel.org To: Tigran Aivazian Cc: linux-ide@vger.kernel.org Tigran Aivazian wrote: > Hi Jeff, > > I was a bit confused with the "SATA vs IDE" thing recently, namely the > fact that if I compile _both_ IDE and SATA support into the kernel > then IDE takes over and SATA gets a "busy" error, and as a result I get > 3M/sec performance instead of 56M/sec. > > Now, realizing this error I have reconfigured the kernel to NOT include > ide and ONLY include SATA plus chipset-specific ata_piix.c (I have ICH6 > device 2652). However, now the new problem is that I can't see the IDE > DVD-ROM drive anymore. Here is dmesg: [...] > As you see, sda is there, but where is my DVD drive gone? I am guessing that your DVD drive is connected to a PATA bus, but you disabled the PATA driver (CONFIG_IDE) completely. Enable CONFIG_IDE, and disable CONFIG_BLK_DEV_IDE_SATA, and that will fix things I bet. Jeff