From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261696AbVBXBTl (ORCPT ); Wed, 23 Feb 2005 20:19:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261738AbVBXBTl (ORCPT ); Wed, 23 Feb 2005 20:19:41 -0500 Received: from hyperion.affordablehost.com ([12.164.25.86]:5358 "EHLO hyperion.affordablehost.com") by vger.kernel.org with ESMTP id S261696AbVBXBTi (ORCPT ); Wed, 23 Feb 2005 20:19:38 -0500 Subject: Re: Help enabling PCI interrupts on Dell/SMP and Sun/SMP systems. From: Alan Kilian To: Roland Dreier Cc: Peter Chubb , linux-kernel@vger.kernel.org In-Reply-To: <52sm3malg1.fsf@topspin.com> References: <1109190273.9116.307.camel@desk> <1109197066.9116.319.camel@desk> <16925.2739.232237.418632@wombat.chubb.wattle.id.au> <1109201098.9116.330.camel@desk> <52sm3malg1.fsf@topspin.com> Content-Type: text/plain Date: Wed, 23 Feb 2005 19:23:41 -0600 Message-Id: <1109208221.9116.337.camel@desk> Mime-Version: 1.0 X-Mailer: Evolution 2.0.2 (2.0.2-3) Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - hyperion.affordablehost.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - bobodyne.com X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2005-02-23 at 15:46 -0800, Roland Dreier wrote: > Alan> pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &softp->interrupt_line); > Alan> request_irq(softp->interrupt_line, sseintr, SA_INTERRUPT, "sse", softp); > > Don't do that. The kernel may need you to use a different interrupt > number than you read from the PCI config header. Use dev->irq, as in > > request_irq(dev->irq, sseintr, SA_SHIRQ | SA_INTERRUPT, "sse", softp); Roland, You are the best. Thank you so much for this information. That was the ticket. request_irq(dev->irq, sseintr, SA_SHIRQ | SA_INTERRUPT, "sse", softp); It works on all machines now without adding "pci=noapci" I'm running again!!! -Alan -- - Alan Kilian