Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764200AbXETKsf (ORCPT ); Sun, 20 May 2007 06:48:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756007AbXETKs2 (ORCPT ); Sun, 20 May 2007 06:48:28 -0400 Received: from userg503.nifty.com ([202.248.238.83]:39070 "EHLO userg503.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755865AbXETKs1 (ORCPT ); Sun, 20 May 2007 06:48:27 -0400 DomainKey-Signature: a=rsa-sha1; s=userg503; d=nifty.com; c=nofws; q=dns; b=Wy5tBwZh8DJUMuPD9o4L9Yp14VTK6FI/BKGfn7Kx9HWcAExORrOm4LgHGKPx57YUP E55+iNTrMGyWJS2n2xMuw== Date: Sun, 20 May 2007 19:48:01 +0900 From: Komuro To: Thomas Gleixner Cc: linux-kernel@vger.kernel.org, mingo@elte.hu Subject: Re: [SMP BUG] [clockevents: i386 drivers patch] introduces irqbalance-does-not-work-properly problem Message-Id: <20070520194801.6436597c.komurojun-mbn@nifty.com> In-Reply-To: <1179644956.21827.5.camel@chaos> References: <1178202559.3767.21.camel@localhost.localdomain> <20070504233238.ca55c2d1.komurojun-mbn@nifty.com> <1178463619.3793.14.camel@localhost.localdomain> <1178777214.2951.18.camel@ymzhang> <20070510160615.6aa9cef6.akpm@linux-foundation.org> <20070513200444.9d2db4c3.komurojun-mbn@nifty.com> <20070520111409.1793a2f6.komurojun-mbn@nifty.com> <1179644956.21827.5.camel@chaos> X-Mailer: Sylpheed version 2.2.10 (GTK+ 2.10.4; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1894 Lines: 63 On Sun, 20 May 2007 09:09:16 +0200 Thomas Gleixner wrote: > > Mr. Thomas Gleixner, > > any idea to fix this problem? > > Which problem ? The problem is CPU1 receives 38239 interrupt-16 but CPU0 receives only 15 interrupt-16 CPU0 should receive more interrupts. CPU0 CPU1 0: 85 0 IO-APIC-edge timer 1: 0 698 IO-APIC-edge i8042 6: 0 5 IO-APIC-edge floppy 8: 0 1 IO-APIC-edge rtc 9: 0 0 IO-APIC-fasteoi acpi 12: 0 114 IO-APIC-edge i8042 14: 369 2281 IO-APIC-edge ide0 15: 0 24 IO-APIC-edge ide1 16: 15 38239 IO-APIC-fasteoi yenta, pcnet_cs <<< problem 17: 0 0 IO-APIC-fasteoi yenta NMI: 0 0 LOC: 50548 50547 ERR: 0 MIS: 15503 Best Regards Komuro > On Sun, 2007-05-20 at 11:14 +0900, Komuro wrote: > > Hi, > > > > > > [clockevents: i386 drivers patch] introduces > > irqbalance-does-not-work-properly problem. > > it disables irq balancing for IRQ0, but this does not affect any other > interrupts. It is almost irrelevant as the PIT/HPET timer interrupt > (irq0) is disabled anyway and the local apic timer is used. > > > > CPU0 CPU1 > > > 0: 85 0 IO-APIC-edge timer > > There is no interrupt happening after bootup, so balancing is not a > problem here. > > > Mr. Thomas Gleixner, > > any idea to fix this problem? > > Which problem ? > > tglx > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/