From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964785AbWAIOpZ (ORCPT ); Mon, 9 Jan 2006 09:45:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964779AbWAIOpY (ORCPT ); Mon, 9 Jan 2006 09:45:24 -0500 Received: from keetweej.xs4all.nl ([213.84.46.114]:3743 "EHLO keetweej.vanheusden.com") by vger.kernel.org with ESMTP id S964770AbWAIOpX (ORCPT ); Mon, 9 Jan 2006 09:45:23 -0500 Date: Mon, 9 Jan 2006 15:45:22 +0100 From: Folkert van Heusden To: Andrew Morton Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [2.6.15] running tcpdump on 3c905b causes freeze (reproducable) Message-ID: <20060109144522.GB10955@vanheusden.com> References: <20060108114305.GA32425@vanheusden.com> <20060109041114.6e797a9b.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060109041114.6e797a9b.akpm@osdl.org> Organization: www.unixexpert.nl X-Chameleon-Return-To: folkert@vanheusden.com X-Xfmail-Return-To: folkert@vanheusden.com X-Phonenumber: +31-6-41278122 X-URL: http://www.vanheusden.com/ X-PGP-KeyID: 1F28D8AE X-GPG-fingerprint: AC89 09CE 41F2 00B4 FCF2 B174 3019 0E8C 1F28 D8AE X-Key: http://pgp.surfnet.nl:11371/pks/lookup?op=get&search=0x1F28D8AE Read-Receipt-To: Reply-By: Tue Jan 10 15:23:51 CET 2006 X-Message-Flag: www.vanheusden.com User-Agent: Mutt/1.5.10i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > My system freezes (crashes) when I run tcpdump on the interface > > connected to a 3c905b card. > Works for me with a 3c980-TX. I can dig out a 905b. > Please send the exact commands which you're using to demonstrate this - > sufficient info for me to get as close as possible to what you're doing. The exact command is: tcpdump -i eth1 Yes, it is that simple. Not only tcpdump gives this problem; iftop as well. > Have you tried enabling the NMI watchdog? Enable CONFIG_X86_LOCAL_APIC and > boot with `nmi_watchdog=1' on the command line, make sure that the NMI line > of /proc/interrupts is incrementing. I'll give it a try. I've added it to the append-line in the lilo config. Am now compiling the kernel. Folkert van Heusden -- Try MultiTail! Multiple windows with logfiles, filtered with regular expressions, colored output, etc. etc. www.vanheusden.com/multitail/ ---------------------------------------------------------------------- Get your PGP/GPG key signed at www.biglumber.com! ---------------------------------------------------------------------- Phone: +31-6-41278122, PGP-key: 1F28D8AE, www.vanheusden.com