Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261746AbUCPWBQ (ORCPT ); Tue, 16 Mar 2004 17:01:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261750AbUCPWBQ (ORCPT ); Tue, 16 Mar 2004 17:01:16 -0500 Received: from dragnfire.mtl.istop.com ([66.11.160.179]:48325 "EHLO dsl.commfireservices.com") by vger.kernel.org with ESMTP id S261746AbUCPWBN (ORCPT ); Tue, 16 Mar 2004 17:01:13 -0500 Date: Tue, 16 Mar 2004 17:01:15 -0500 (EST) From: Zwane Mwaikambo To: Francis F Steen Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.3 ifdown race In-Reply-To: <4057709A.8080808@cogweb.net> Message-ID: References: <4057709A.8080808@cogweb.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 738 Lines: 21 On Tue, 16 Mar 2004, Francis F Steen wrote: > In kernel 2.6.3, if I take down the network connection, within a second > or so top shows 99.9% CPU utilization for [events/0]. > When I restablish a network connection, it calms down at once. > > I had the same behavior in 2.6.0. > > Details below -- what can I do to get more information on what is happening? Compile in CONFIG_MAGIC_SYSRQ and then when the load goes up do; alt + syrq + t you're interested in the call traces from events/0 - 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/