From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753547AbXLHXot (ORCPT ); Sat, 8 Dec 2007 18:44:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752642AbXLHXol (ORCPT ); Sat, 8 Dec 2007 18:44:41 -0500 Received: from lucidpixels.com ([75.144.35.66]:53573 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752379AbXLHXok (ORCPT ); Sat, 8 Dec 2007 18:44:40 -0500 Date: Sat, 8 Dec 2007 18:44:39 -0500 (EST) From: Justin Piszcz X-X-Sender: jpiszcz@p34.internal.lan To: linux-kernel@vger.kernel.org Subject: 2.6.23.9 64-bit IRQ sharing without irqbalance with p35 vs i965? Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Can some please explain with almost identical kernel .config's I see this on a p965 Intel board: CPU0 CPU1 CPU2 CPU3 0: 2501669875 0 0 0 IO-APIC-edge timer 1: 8 0 0 0 IO-APIC-edge i8042 7: 0 0 0 0 IO-APIC-edge parport0 8: 1 0 0 0 IO-APIC-edge rtc 9: 0 0 0 0 IO-APIC-fasteoi acpi 12: 21187797 0 0 0 IO-APIC-edge i8042 16: 29096123 0 0 0 IO-APIC-fasteoi sata_sil24, uhci_hcd:usb3 17: 122 0 0 0 IO-APIC-fasteoi libata 18: 27177188 0 0 0 IO-APIC-fasteoi sata_sil24, ehci_hcd:usb1, uhci_hcd:usb7 19: 29230654 0 0 0 IO-APIC-fasteoi sata_sil24, ohci1394, uhci_hcd:usb6 21: 41626956 0 0 0 IO-APIC-fasteoi uhci_hcd:usb4, eth1 22: 203 0 0 0 IO-APIC-fasteoi HDA Intel 23: 108 0 0 0 IO-APIC-fasteoi ehci_hcd:usb2, uhci_hcd:usb5 377: 590862399 0 0 0 PCI-MSI-edge eth0 378: 89967666 0 0 0 PCI-MSI-edge ahci NMI: 0 0 0 0 LOC: 2501568889 2501566748 2501569508 2501566435 ERR: 0 And this on a Gigabyte p35 chipset: CPU0 CPU1 CPU2 CPU3 0: 4798363 4806242 4807103 4801203 IO-APIC-edge timer 1: 1 2 3 2 IO-APIC-edge i8042 6: 3 0 0 0 IO-APIC-edge floppy 8: 0 0 0 1 IO-APIC-edge rtc 9: 0 0 0 0 IO-APIC-fasteoi acpi 12: 22 32 26 33 IO-APIC-edge i8042 16: 0 0 0 0 IO-APIC-fasteoi ahci, uhci_hcd:usb3 17: 16994 17065 16955 16952 IO-APIC-fasteoi libata, eth0 18: 0 1 1 1 IO-APIC-fasteoi ohci1394, ehci_hcd:usb1, uhci_hcd:usb5, uhci_hcd:usb8 19: 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb7 21: 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb4 22: 38 39 40 38 IO-APIC-fasteoi HDA Intel 23: 0 0 0 0 IO-APIC-fasteoi ehci_hcd:usb2, uhci_hcd:usb6 380: 6838702 6823411 6822704 6836873 PCI-MSI-edge ahci NMI: 0 0 0 0 LOC: 18993695 18993662 18891135 18891030 ERR: 0 Both are running Debian Lenny (testing) with (almost the same exact kernel configuration). Why is this? Justin.