From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265215AbTLFRiu (ORCPT ); Sat, 6 Dec 2003 12:38:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265216AbTLFRiu (ORCPT ); Sat, 6 Dec 2003 12:38:50 -0500 Received: from ppp-RAS1-3-87.dialup.eol.ca ([64.56.226.87]:7296 "EHLO node1.opengeometry.net") by vger.kernel.org with ESMTP id S265215AbTLFRis (ORCPT ); Sat, 6 Dec 2003 12:38:48 -0500 Date: Sat, 6 Dec 2003 12:38:50 -0500 From: William Park To: linux-kernel@vger.kernel.org Subject: Re: SMP broken on Dell PowerEdge 4100/200 under 2.6.0-testxx? Message-ID: <20031206173850.GB362@node1.opengeometry.net> Mail-Followup-To: linux-kernel@vger.kernel.org References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Dec 06, 2003 at 10:59:01AM +0000, William Lee Irwin III wrote: > This leads to a similar conclusion to Stian Jordet's case. It's not > mistaking you for HT, it's the lack of an internal distinction between > the cases that need and don't need irq balancing. I have VP6 (Apollo Pro 133A, 82c694X/686B) dual-P3 (800MHz/133MHz). I'm currently using MPS 1.1, because USB doesn't work with MPS 1.4 (or, it does but only with 'noapic'). And, I can report the same finding as others. Before: ------- CPU0 CPU1 0: 79365 63 IO-APIC-edge timer 1: 215 1 IO-APIC-edge i8042 2: 0 0 XT-PIC cascade 4: 8654 0 IO-APIC-edge serial 8: 1 1 IO-APIC-edge rtc 12: 52 1 IO-APIC-edge i8042 14: 2155 0 IO-APIC-edge ide0 15: 2 0 IO-APIC-edge ide1 17: 0 0 IO-APIC-level eth0 NMI: 0 0 LOC: 79231 79266 ERR: 0 MIS: 0 After 'noirqbalance': --------------------- CPU0 CPU1 0: 15039 16025 IO-APIC-edge timer 1: 47 75 IO-APIC-edge i8042 2: 0 0 XT-PIC cascade 4: 21 43 IO-APIC-edge serial 8: 2 0 IO-APIC-edge rtc 12: 21 32 IO-APIC-edge i8042 14: 828 410 IO-APIC-edge ide0 15: 2 0 IO-APIC-edge ide1 17: 0 0 IO-APIC-level eth0 NMI: 0 0 LOC: 30865 30900 ERR: 0 MIS: 0 -- William Park, Open Geometry Consulting, Linux solution for data management and processing.