Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933400AbXFEVSk (ORCPT ); Tue, 5 Jun 2007 17:18:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932804AbXFEVSb (ORCPT ); Tue, 5 Jun 2007 17:18:31 -0400 Received: from mga03.intel.com ([143.182.124.21]:24995 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932566AbXFEVSa (ORCPT ); Tue, 5 Jun 2007 17:18:30 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.16,386,1175497200"; d="scan'208";a="235930118" Date: Tue, 5 Jun 2007 14:14:51 -0700 From: "Siddha, Suresh B" To: "Darrick J. Wong" Cc: "Siddha, Suresh B" , linux-kernel@vger.kernel.org, ebiederm@xmission.com Subject: Re: Device hang when offlining a CPU due to IRQ misrouting Message-ID: <20070605211451.GG17143@linux-os.sc.intel.com> References: <20070601004427.GI30788@tree.beaverton.ibm.com> <20070605172310.GD17143@linux-os.sc.intel.com> <20070605173647.GC12782@tree.beaverton.ibm.com> <20070605181342.GE17143@linux-os.sc.intel.com> <20070605183300.GD12782@tree.beaverton.ibm.com> <20070605184015.GF17143@linux-os.sc.intel.com> <20070605200954.GE12782@tree.beaverton.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070605200954.GE12782@tree.beaverton.ibm.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 782 Lines: 23 On Tue, Jun 05, 2007 at 01:09:54PM -0700, Darrick J. Wong wrote: > On Tue, Jun 05, 2007 at 11:40:15AM -0700, Siddha, Suresh B wrote: > > > Does this problem happen only under certain stress or something simple, like > > > > boot the kernel > > echo 2 > /proc/irq/114/smp_affinity > > wait for irq to hit the cpu1. > > echo 0 > /sys/devices/system/cpu/cpu1/online > > > > will immmd trigger this? > > The system is not under any stress at all. Can you send us your system's dmesg aswell as output of /proc/interrupts? thanks, suresh - 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/