From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265241AbTLFUFr (ORCPT ); Sat, 6 Dec 2003 15:05:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265242AbTLFUFr (ORCPT ); Sat, 6 Dec 2003 15:05:47 -0500 Received: from stinkfoot.org ([65.75.25.34]:17044 "EHLO stinkfoot.org") by vger.kernel.org with ESMTP id S265241AbTLFUFn (ORCPT ); Sat, 6 Dec 2003 15:05:43 -0500 Message-ID: <3FD23745.3040603@stinkfoot.org> Date: Sat, 06 Dec 2003 15:08:37 -0500 From: Ethan Weinstein User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6a) Gecko/20031103 X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Cc: colin@coesta.com Subject: Re: SMP broken on Dell PowerEdge 4100/200 under 2.6.0-testxx? References: <3350.192.168.1.3.1070677965.squirrel@www.coesta.com> <20031206024251.GG8039@holomorphy.com> <3FD14396.5070205@cyberone.com.au> <20031206030755.GI8039@holomorphy.com> <3704.192.168.1.3.1070694142.squirrel@www.coesta.com> In-Reply-To: <3704.192.168.1.3.1070694142.squirrel@www.coesta.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Colin Coe wrote: > Sorry about the delay. > > Booted with noirqbalance. > > [root@host root]# cat /proc/interrupts > CPU0 CPU1 > 0: 7411777 5971987 IO-APIC-edge timer > 1: 7 4 IO-APIC-edge i8042 > 2: 0 0 XT-PIC cascade > 4: 16 42 IO-APIC-edge serial > 5: 4915 4820 IO-APIC-level eth1 > 10: 67 69 IO-APIC-level aic7xxx > 11: 325 266 IO-APIC-level eth0 > 12: 47 109 IO-APIC-edge i8042 > 14: 0 0 IO-APIC-level CS46XX > 15: 6398 6401 IO-APIC-level megaraid > NMI: 0 0 > LOC: 13383659 13383658 > ERR: 0 > MIS: 0 > > That looks a lot better... > > Thanks! > > -- > "Obnoxious frog..." Spike, 2071AD > > William Lee Irwin III said: > >>On Sat, Dec 06, 2003 at 01:48:54PM +1100, Nick Piggin wrote: >> >>>Although in this case Colin has 2 PPro 200s. >>>Colin - process load should be evenly distributed between CPUs, and this >>>is generally the most important thing. Big networking loads (most >>>commonly) >>>can put a lot of time into processing interrupts though. >> >>That is rather busted, then. >> >>Colin, could you try booting with noirqbalance on the kernel command >>line? >> >> >>-- wli >> > I'll throw my hat in here as well. This is an old compaq proliant I have at the office- dual 400 PII, booted with "noirqbalance" 2.6.0-test11: CPU0 CPU1 0: 2580383 1920931 IO-APIC-edge timer 1: 6 3 IO-APIC-edge i8042 2: 0 0 XT-PIC cascade 5: 467 423 IO-APIC-level TLAN 8: 1 0 IO-APIC-edge rtc 9: 15 15 IO-APIC-level sym53c8xx 10: 17 17 IO-APIC-level sym53c8xx 11: 1602 1593 IO-APIC-level ida0 14: 8 2 IO-APIC-edge ide0 NMI: 0 0 LOC: 4501366 4501354 ERR: 0 MIS: 0 witout "noirqbalance" we interrupt on CPU0 solely. -E