From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Masters Subject: Re: Loading both the pata_atiixp and the ahci driver causes problems Date: Thu, 15 Mar 2007 21:42:08 -0400 Message-ID: <45F9F5F0.3090508@jonmasters.org> References: <45F9C3F5.4070906@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from dallas.jonmasters.org ([72.29.103.172]:4598 "EHLO dallas.jonmasters.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751245AbXCPCOu (ORCPT ); Thu, 15 Mar 2007 22:14:50 -0400 In-Reply-To: <45F9C3F5.4070906@redhat.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Chuck Ebbert Cc: linux-kernel , Jeff Garzik , linux-ide@vger.kernel.org Chuck Ebbert wrote: > If you try to load both the pata_atiixp and the ahci driver > (for the same ATI SB600 adapter), very strange things happen. > The AHCI driver churns for three minutes or so, spewing > messages like this, then nothing works: > > <6>ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300) > <4>ata3.00: qc timeout (cmd 0xec) > <4>ata3.00: failed to IDENTIFY (I/O error, err_mask=0x104) > Shouldn't it be able to tell the device has already been > claimed by some other driver? One would assume it'd fail to grab the PCI IO ranges twice? I haven't looked at the code but I have seen this bug mentioned elsewhere so I might well end up having to do that yet :-) Jon.