From owner-freebsd-stable@FreeBSD.ORG Wed Feb 29 13:30:39 2012 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5582C1065690; Wed, 29 Feb 2012 13:30:39 +0000 (UTC) (envelope-from slackbie@gmail.com) Received: from mail-iy0-f182.google.com (mail-iy0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id 03E838FC26; Wed, 29 Feb 2012 13:30:38 +0000 (UTC) Received: by iahk25 with SMTP id k25so2293197iah.13 for ; Wed, 29 Feb 2012 05:30:38 -0800 (PST) Received-SPF: pass (google.com: domain of slackbie@gmail.com designates 10.50.191.233 as permitted sender) client-ip=10.50.191.233; Authentication-Results: mr.google.com; spf=pass (google.com: domain of slackbie@gmail.com designates 10.50.191.233 as permitted sender) smtp.mail=slackbie@gmail.com; dkim=pass header.i=slackbie@gmail.com Received: from mr.google.com ([10.50.191.233]) by 10.50.191.233 with SMTP id hb9mr258499igc.44.1330522238698 (num_hops = 1); Wed, 29 Feb 2012 05:30:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=NReVZdc0Rlz4FBwIhU7QzhikANLmWbOuOwGSVyxxu4A=; b=N4ORW2RRM/H9lO1aPC7zITfALV7Ss8gqKsY/nObnPIBkVFw1YRFyBAp6IsvYdRRlj7 S5VZa88UklWiRxD3mUIzOLNQhS2w/VyTi2ure3SOy63S2q710fjHQ92TZWykX0DEEG44 o651DTZpD7iUvMp+kmOtBQyXGLeO6YXgsVNyU= MIME-Version: 1.0 Received: by 10.50.191.233 with SMTP id hb9mr217805igc.44.1330522238601; Wed, 29 Feb 2012 05:30:38 -0800 (PST) Received: by 10.42.1.68 with HTTP; Wed, 29 Feb 2012 05:30:38 -0800 (PST) In-Reply-To: <4F4D4D88.8040500@wasikowski.net> References: <20120221143537.Horde.deyFDZjmRSRPQ52pxBIpnLA@webmail.leidinger.net> <4F4BA707.5070608@wasikowski.net> <4F4D3476.7070803@wasikowski.net> <4F4D4D88.8040500@wasikowski.net> Date: Wed, 29 Feb 2012 20:30:38 +0700 Message-ID: From: "~Lst" To: =?ISO-8859-2?Q?=A3ukasz_W=B1sikowski?= Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: quoted-printable Cc: "Bjoern A. Zeeb" , stable@freebsd.org, current@freebsd.org, Arnaud Lacombe , Alexander Leidinger Subject: Re: [CFT] modular kernel config 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: Wed, 29 Feb 2012 13:30:39 -0000 2012/2/29 =A3ukasz W=B1sikowski : > W dniu 2012-02-28 22:22, Arnaud Lacombe pisze: > >>>>> FLOWTABLE on 8.x crashed BGP routers (kern/144917). >>>>> >>>> no crash dump, no backtrace, no follow-up whatsoever after 1 year and >>>> 2 years, what's your points ? You could really have chosen a better PR >>>> to back up your argument... >>> >>> Sorry, but I don't want to bug trace this issue, simply because lack of >>> time, resources and interest in this feature. I've run into this bug on >>> production box, went through hell because of it and turned off flowtabl= e >>> which I do not use and not need. If this problem is still alive (it >>> might be, the PR I've mentioned is still open) then it's not a good ide= a >>> to turn on this feature by default. If you're interested in using this >>> feature then feel free to debug and test. >>> >> Give me a deterministic way to reproduce the issue and I will. > > Enable FLOWTABLES in kernel and setup BGP4+ router (with net/quagga). > You need three peers sending you full Internet routing table (3x400k > prefixes). Some people got it with only two peers. After a short while > your CPU should stuck in 100% busy. > > -- > best regards, > Lukasz Wasikowski > In my cased, I used OpenBGPD. Rgds, -- Lasta Yani