From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264389AbUG2L44 (ORCPT ); Thu, 29 Jul 2004 07:56:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264396AbUG2L44 (ORCPT ); Thu, 29 Jul 2004 07:56:56 -0400 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:26240 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S264389AbUG2L4z (ORCPT ); Thu, 29 Jul 2004 07:56:55 -0400 Date: Thu, 29 Jul 2004 07:57:55 -0300 From: Marcelo Tosatti To: Arjan van de Ven Cc: Chris Caputo , linux-kernel@vger.kernel.org Subject: Re: inode_unused list corruption in 2.4.26 - spin_lock problem? Message-ID: <20040729105755.GA6897@logos.cnet> References: <20040729002535.GA5145@logos.cnet> <20040729075429.GA15700@devserv.devel.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040729075429.GA15700@devserv.devel.redhat.com> User-Agent: Mutt/1.5.5.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 29, 2004 at 09:54:29AM +0200, Arjan van de Ven wrote: > On Wed, Jul 28, 2004 at 11:27:41PM -0700, Chris Caputo wrote: > > On Wed, 28 Jul 2004, Marcelo Tosatti wrote: > > > Changing the affinity writes new values to the IOAPIC registers, I can't see > > > how that could interfere with the atomicity of a spinlock operation. I dont > > > understand why you think irqbalance could affect anything. > > > > Because when I stop running irqbalance the crashes no longer happen. > > what is the irq distribution when you do that? > Can you run irqbalance for a bit to make sure there's a static distribution > of irq's and then disable it and see if it survives ? Chris, Yes I'm also running irqbalance. Arjan, what is an easy way for me to make irqbalance change the affinity as crazy on the SMP 8way box, just for a test? TIA