From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262024AbULPVKk (ORCPT ); Thu, 16 Dec 2004 16:10:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262028AbULPVKk (ORCPT ); Thu, 16 Dec 2004 16:10:40 -0500 Received: from dsl027-176-166.sfo1.dsl.speakeasy.net ([216.27.176.166]:8136 "EHLO waste.org") by vger.kernel.org with ESMTP id S262024AbULPVK0 (ORCPT ); Thu, 16 Dec 2004 16:10:26 -0500 Date: Thu, 16 Dec 2004 13:10:24 -0800 From: Matt Mackall To: Mark Broadbent Cc: linux-kernel@vger.kernel.org Subject: Re: Lockup with 2.6.9-ac15 related to netconsole Message-ID: <20041216211024.GK2767@waste.org> References: <59719.192.102.214.6.1103214002.squirrel@webmail.wetlettuce.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <59719.192.102.214.6.1103214002.squirrel@webmail.wetlettuce.com> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Dec 16, 2004 at 04:20:02PM -0000, Mark Broadbent wrote: > Hi, > > I'm having problem using ethereal/tcpdump in conjunction with the > netconsole (built as a module). If the netconsole is loaded and I try to > launch tcpdump on the same interface as the netconsole is transmitting I > get a hard lock-up. The following commands can consistently do this: > # tcpdump -i eth0 > eth0: Promiscuous Mode Entered > <... normal output ...> > ^C > # modprobe netconsole > # tcpdump -i eth0 > eth0: Promiscuous Mode Entered > <4>NMI Watchdog detected LOCKUP Joy. Can you try it on your other interface to see if it's driver-specific? -- Mathematics is the supreme nostalgia of our time.