From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261852AbULUUwv (ORCPT ); Tue, 21 Dec 2004 15:52:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261854AbULUUwv (ORCPT ); Tue, 21 Dec 2004 15:52:51 -0500 Received: from electric-eye.fr.zoreil.com ([213.41.134.224]:36541 "EHLO fr.zoreil.com") by vger.kernel.org with ESMTP id S261852AbULUUwt (ORCPT ); Tue, 21 Dec 2004 15:52:49 -0500 Date: Tue, 21 Dec 2004 21:48:53 +0100 From: Francois Romieu To: Mark Broadbent Cc: mpm@selenic.com, linux-kernel@vger.kernel.org, netdev@oss.sgi.com Subject: Re: Lockup with 2.6.9-ac15 related to netconsole Message-ID: <20041221204853.GA20869@electric-eye.fr.zoreil.com> References: <34721.192.102.214.6.1103274614.squirrel@webmail.wetlettuce.com> <20041217215752.GP2767@waste.org> <20041217233524.GA11202@electric-eye.fr.zoreil.com> <36901.192.102.214.6.1103535728.squirrel@webmail.wetlettuce.com> <20041220211419.GC5974@waste.org> <20041221002218.GA1487@electric-eye.fr.zoreil.com> <20041221005521.GD5974@waste.org> <52121.192.102.214.6.1103624620.squirrel@webmail.wetlettuce.com> <20041221123727.GA13606@electric-eye.fr.zoreil.com> <49295.192.102.214.6.1103635762.squirrel@webmail.wetlettuce.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49295.192.102.214.6.1103635762.squirrel@webmail.wetlettuce.com> User-Agent: Mutt/1.4.1i X-Organisation: Land of Sunshine Inc. Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Mark Broadbent : [...] > Using the patch supplied I get no hang, just the message 'netconsole > raced' output to the console and the packet capture proceeds as normal. > Thanks The patch is more a bandaid for debugging than a real fix. The netconsole will drop some messages until its locking is fixed If you can issue one more test, I'd like to know if some messages appear on the VGA console around the time at which tcpdump is started (the test assumes that netconsole is not used/insmoded at all). Please check that the console log_level is set high enough as it will be really disappointing if nothing appears :o) -- Ueimor