From owner-freebsd-net@FreeBSD.ORG Mon Nov 7 23:55:02 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6C95D1065678; Mon, 7 Nov 2011 23:55:02 +0000 (UTC) (envelope-from sobomax@sippysoft.com) Received: from mail.sippysoft.com (mail.sippysoft.com [4.59.13.245]) by mx1.freebsd.org (Postfix) with ESMTP id 438AC8FC17; Mon, 7 Nov 2011 23:55:02 +0000 (UTC) Received: from s0106005004e13421.vs.shawcable.net ([70.71.175.212] helo=[192.168.1.79]) by mail.sippysoft.com with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.72 (FreeBSD)) (envelope-from ) id 1RNZ1o-000HTH-W8; Mon, 07 Nov 2011 15:55:01 -0800 Message-ID: <4EB86FCF.3050306@FreeBSD.org> Date: Mon, 07 Nov 2011 15:54:55 -0800 From: Maxim Sobolev Organization: Sippy Software, Inc. User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: "Bjoern A. Zeeb" References: <4EB804D2.2090101@FreeBSD.org> <4EB86276.6080801@sippysoft.com> <4EB86866.9060102@sippysoft.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: sobomax@sippysoft.com X-ssp-trusted: yes Cc: freebsd-net@freebsd.org, Robert Watson , Jack Vogel Subject: Re: Panic in the udp_input() under heavy load X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Nov 2011 23:55:02 -0000 On 11/7/2011 3:25 PM, Bjoern A. Zeeb wrote: > Now if you are clever you'd also log the inp there as the above will > only prove the case that something is wrong but still not help us in > anything to figure out what. Good point, thank you Sir. Would that be good enough? printf("BZZT! Something is terribly wrong, up == NULL! inp = %p\n", inp); Do you think of any other useful piece of information that I can log at this point? -Maxim