From owner-freebsd-ipfw@freebsd.org Fri Mar 11 09:35:01 2016 Return-Path: Delivered-To: freebsd-ipfw@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 279C2ACBCE0; Fri, 11 Mar 2016 09:35:01 +0000 (UTC) (envelope-from truckman@FreeBSD.org) Received: from gw.catspoiler.org (unknown [IPv6:2602:304:b010:ef20::f2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "gw.catspoiler.org", Issuer "gw.catspoiler.org" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 09CB31192; Fri, 11 Mar 2016 09:35:01 +0000 (UTC) (envelope-from truckman@FreeBSD.org) Received: from FreeBSD.org (mousie.catspoiler.org [192.168.101.2]) by gw.catspoiler.org (8.15.2/8.15.2) with ESMTP id u2B9Yo8E017604; Fri, 11 Mar 2016 01:34:55 -0800 (PST) (envelope-from truckman@FreeBSD.org) Message-Id: <201603110934.u2B9Yo8E017604@gw.catspoiler.org> Date: Fri, 11 Mar 2016 01:34:50 -0800 (PST) From: Don Lewis Subject: Re: Dummynet AQM v0.1- CoDel and FQ-CoDel for FreeBSD's ipfw/dummynet To: ralsaadi@swin.edu.au cc: freebsd-net@FreeBSD.org, garmitage@swin.edu.au, freebsd-ipfw@FreeBSD.org In-Reply-To: <201603100720.u2A7K1v4013479@gw.catspoiler.org> MIME-Version: 1.0 Content-Type: TEXT/plain; charset=us-ascii X-BeenThere: freebsd-ipfw@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: IPFW Technical Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Mar 2016 09:35:01 -0000 On 9 Mar, To: ralsaadi@swin.edu.au wrote: > On 10 Mar, Rasool Al-Saadi wrote: >> >> >> On Wednesday, 9 March 2016, Don Lewis wrote: >>> Without the patch below, the dummynet module fails to load >>> >>> # kldload dummynet.ko >>> kldload: can't load dummynet.ko: No such file or directory >>> >>> and the following is printed to /var/log/messages: >>> >>> link_elf: symbol sysctl__net_inet_ip_dummynet_children undefined >> >> Thanks again for testing the patch and for providing feedback. >> >> It seems that this error (and the compilation error in your previous >> email) appears in i386 versions of FreeBSD. > > I was testing on FreeBSD 10.3-PRERELEASE and would have been willing to > bet that the difference in behavior was due to a recent change in > FreeBSD. After testing, this second bug is also a difference between > i386 and amd64. > For some reason, the kernel linker on amd64 accepts this module, whereas > on i386 it is (correctly in my opinion) rejected. I'll try to put > together a simple example that I can use to file a FreeBSD bug report. FreeBSD bug report here: