Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759546AbZABWff (ORCPT ); Fri, 2 Jan 2009 17:35:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757251AbZABWfM (ORCPT ); Fri, 2 Jan 2009 17:35:12 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:51521 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756757AbZABWfL (ORCPT ); Fri, 2 Jan 2009 17:35:11 -0500 Date: Fri, 2 Jan 2009 17:35:08 -0500 From: Kyle McMartin To: Justin Piszcz Cc: linux-kernel@vger.kernel.org, arjan@linux.intel.com Subject: Re: 2.6.27/2.6.28: irqbalance dies shortly after starting the daemon on x86 but not x86_64, why? Message-ID: <20090102223508.GA5181@bombadil.infradead.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 762 Lines: 22 On Tue, Dec 30, 2008 at 07:26:30AM -0500, Justin Piszcz wrote: > (same on both x86 and x86_64): > # cat /etc/default/irqbalance > #Configuration for the irqbalance daemon > > #Should irqbalance be enabled? > ENABLED=1 > #Balance the IRQs only once? > ONESHOT="0" > If there is only one cache domain, ie: one physical cpu socket with two cores sharing a cache, then irqbalance will return after the initial balance since it would be pointless to continue running. (It forces itself into oneshot mode.) regards, Kyle -- 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/