From owner-freebsd-stable@FreeBSD.ORG Thu Feb 9 16:22:46 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B64E0106566B; Thu, 9 Feb 2012 16:22:46 +0000 (UTC) (envelope-from tomelite82@gmail.com) Received: from mail-ww0-f50.google.com (mail-ww0-f50.google.com [74.125.82.50]) by mx1.freebsd.org (Postfix) with ESMTP id 1BB348FC0C; Thu, 9 Feb 2012 16:22:42 +0000 (UTC) Received: by wgbdq11 with SMTP id dq11so2000396wgb.31 for ; Thu, 09 Feb 2012 08:22:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=VbuyqKBR5JT7vHT6ODyffIv/vGPCKGtGarQPqucEPf0=; b=m0DMZenSKHSFUBG6epBt/iigaYRiqWwyVqkA0NYVs03ZyWbL9bwVs5zTGUoq6XDxCR uF86YeQXto3yEthjc/pfZe+kKGWStCBd41tApGwsTx6np1xxsnc9wWmJhgrlt7NYGMpG tgvw6y09EfXf/f2DkaT/2qKpjeSlsbD+Xq2Oo= MIME-Version: 1.0 Received: by 10.216.133.91 with SMTP id p69mr915566wei.30.1328802784182; Thu, 09 Feb 2012 07:53:04 -0800 (PST) Sender: tomelite82@gmail.com Received: by 10.223.95.204 with HTTP; Thu, 9 Feb 2012 07:53:04 -0800 (PST) In-Reply-To: References: <2740DA0E7C0F495BA00E6D4BC0FE8F37@multiplay.co.uk> <040F9FF759DA441392432EDBD5C4D2CF@multiplay.co.uk> <4EB29A84.6070104@FreeBSD.org> Date: Thu, 9 Feb 2012 07:53:04 -0800 X-Google-Sender-Auth: yMQQyFfNAgrNMiB2UtMLGFjvsJM Message-ID: From: Qing Li To: Vlad Galu , Qing Li Content-Type: text/plain; charset=ISO-8859-1 Cc: Steven Hartland , "liv3d@multiplay.co.uk" , "Alexander V. Chernikov" , "freebsd-stable@FreeBSD.org" Subject: Re: serious packet routing issue causing ntpd high load? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Feb 2012 16:22:46 -0000 Hi Vlad, Sorry about the delayed response. No, this one just fell through the cracks. Has anyone responded ? Does it still exist in 9.x ? --Qing On Mon, Feb 6, 2012 at 10:16 AM, Vlad Galu wrote: > Hi Qing, > > Any luck with this? > > Thanks > Vlad > > > On Thu, Nov 3, 2011 at 2:05 PM, Li, Qing wrote: >> >> This endless route lookup miss message problem is reproducible without >> FLOWTABLE. The problem is with the multiple FIBs. I cannot reproduce >> this problem in my home network but the problem is easily seen at work. >> >> The route lookup miss itself in multi-FIBs configuration may be normal >> depending on the actual system configuration. It's the flooding of >> RTM_MISS messages that is abnormal. For example, if the route to the >> DNS servers is not configured in all FIBs, then the RTM_MISS >> message will be generated when an userland application sends to an >> explicit IP address in a specific FIB. >> >> In any case, I can reproduce the issue consistently and just trying to get >> a few uninterrupted >> hours to get it done. >> >> --Qing >>