From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Problems with nVidia nForce 520 Chipset Date: Fri, 27 Jul 2007 13:14:54 +0900 Message-ID: <46A9713E.10304@gmail.com> References: <5970.47045.qm@web58101.mail.re3.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from rv-out-0910.google.com ([209.85.198.189]:20775 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750869AbXG0EO7 (ORCPT ); Fri, 27 Jul 2007 00:14:59 -0400 Received: by rv-out-0910.google.com with SMTP id k20so75005rvb for ; Thu, 26 Jul 2007 21:14:59 -0700 (PDT) In-Reply-To: <5970.47045.qm@web58101.mail.re3.yahoo.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Craig Block Cc: linux-ide@vger.kernel.org Craig Block wrote: > --- Tejun Heo wrote: >> Craig Block wrote: >>> I'm having a problem getting Linux to handle the SATA drives and >>> controllers on a new computer with an ASUS M2N-X motherboard. This is a >>> socket AM2 board and has an nVidia nForce 520 chipset. >> Does 'noapic' kernel parameter help? > > Unfortunately, no. I also tried noapic with nolapic, nomsi, and pci=nobios. > > I believe it boils down to the following line I'm seeing in the dmesg output; > > ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) Which is most likely caused by IRQ misrouting as indicated by the APIC error. I suggest you to post a new message to LKML with title "IRQ delivery problem on nForce520" and cc linux-ide. That should attract the attention of the right people. Thanks. -- tejun