From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261825AbVADTCY (ORCPT ); Tue, 4 Jan 2005 14:02:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261809AbVADTCX (ORCPT ); Tue, 4 Jan 2005 14:02:23 -0500 Received: from alog0168.analogic.com ([208.224.220.183]:3712 "EHLO chaos.analogic.com") by vger.kernel.org with ESMTP id S261825AbVADTCA (ORCPT ); Tue, 4 Jan 2005 14:02:00 -0500 Date: Tue, 4 Jan 2005 13:53:00 -0500 (EST) From: linux-os Reply-To: linux-os@analogic.com To: Bjorn Helgaas cc: aryix , lug-list@lugmen.org.ar, linux-kernel@vger.kernel.org Subject: Re: dmesg: PCI interrupts are no longer routed automatically......... In-Reply-To: <1104862721.1846.49.camel@eeyore> Message-ID: References: <20041229095559.5ebfc4d4@sophia> <1104862721.1846.49.camel@eeyore> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 4 Jan 2005, Bjorn Helgaas wrote: > Do you have a device that doesn't work unless you specify > "pci=routeirq"? > > If all your devices work, you can ignore the note in dmesg. > > - I note that pci_enable_device() needs to be executed __before__ the IRQ is obtained on 2.6.10, otherwise you get the wrong IRQ (IRQ10 on this system)B. This doesn't seem to be correct since the IRQ connection was set by the BIOS and certainly shouldn't be changed. On this system, interrupts that were not shared on 2.4.n and early 2.6.n end up being shared... See IRQ18 below. CPU0 0: 1135520 IO-APIC-edge timer 1: 3203 IO-APIC-edge i8042 7: 0 IO-APIC-edge parport0 8: 1 IO-APIC-edge rtc 9: 0 IO-APIC-level acpi 12: 66 IO-APIC-edge i8042 14: 10637 IO-APIC-edge ide0 16: 0 IO-APIC-level uhci_hcd, uhci_hcd 18: 81 IO-APIC-level libata, uhci_hcd, Analogic Corp DLB 19: 0 IO-APIC-level uhci_hcd 20: 801 IO-APIC-level eth0 21: 982 IO-APIC-level aic7xxx 23: 0 IO-APIC-level ehci_hcd NMI: 0 LOC: 1135484 ERR: 0 MIS: 0 Cheers, Dick Johnson Penguin : Linux version 2.6.10 on an i686 machine (5537.79 BogoMips). Notice : All mail here is now cached for review by Dictator Bush. 98.36% of all statistics are fiction.