From mboxrd@z Thu Jan 1 00:00:00 1970 From: gshan Subject: Re: PIIX4: DMA timeout issue Date: Wed, 30 Jul 2008 17:04:53 +0800 Message-ID: <48902EB5.8070102@alcatel-lucent.com> References: <488ED837.2060509@alcatel-lucent.com> <488F1C6C.9000002@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from 215.47.DSNET ([211.144.215.47]:34433 "EHLO cnshjsmin03.cn.alcatel-lucent.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751812AbYG3JgI (ORCPT ); Wed, 30 Jul 2008 05:36:08 -0400 In-Reply-To: <488F1C6C.9000002@garzik.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: linux-kernel@vger.kernel.org, Linux IDE mailing list > > Can you try disabling the IDE driver (CONFIG_IDE) and enabling the > newer libata driver? (CONFIG_ATA) > Jeff, I tried moving to ATA driver for PIIX4 today and found ATA need to request 2 IRQ lines, each one of them belongs to primary and secondary channel. However, when I make PIIX4 worked under IDE driver, it also need to request one IRQ for "ide1". So it's necessary to disable secondary channel manually? Another question is my PIIX4 chip has device ID + vendor ID of 0x71108086. But it finally was mapped to following ID of piix_pci_tbl[] array. Device of 0x7110 and 0x7010 should be quit different, right? { 0x8086, 0x7010, PCI_ANY_ID, PCI_ANY_ID, 0, 0, piix_pata_mwdma }, Gavin