Date: Wed, 16 Sep 2015 12:52:11 +0200 From: Nils Beyer <nbe@renzel.net> To: freebsd-net@freebsd.org Subject: Re: Multipath TCP for FreeBSD v0.5 References: <55E54846.4020504@swin.edu.au>
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Hi Nigel, Nigel Williams wrote: > A new mptcp v0.5 patch is available at > http://caia.swin.edu.au/urp/newtcp/mptcp/tools.html. thanks for the new patch. I've tried your provided VirtualBox VM "FB11-test1". Unfortunately, standard TCP-connections aren't working. For instance, after I execute: fetch -o - 'http://www.google.com' I get an incomplete transfer that times out after a while. Sometimes I get a kernel panic (s. attached screenshot). Then I tried the patch on real hardware (built my own kernel as described). Same behaviour. Is it intended that the current implementation is not backwards compatible to non-MPTCP-connections? If you need any more details, feel free to contact me... Regards, Nils From owner-freebsd-net@freebsd.org Wed Sep 16 11:03:13 2015 Return-Path: <owner-freebsd-net@freebsd.org> Delivered-To: freebsd-net@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 793399CD6FD for <freebsd-net@mailman.ysv.freebsd.org>; Wed, 16 Sep 2015 11:03:13 +0000 (UTC) (envelope-from nbe@renzel.net) Received: from nijmegen.renzel.net (mx1.renzel.net [195.243.213.130]) by mx1.freebsd.org (Postfix) with ESMTP id 4191610C0 for <freebsd-net@freebsd.org>; Wed, 16 Sep 2015 11:03:12 +0000 (UTC) (envelope-from nbe@renzel.net) Received: from dublin.vkf.isb.de.renzel.net (unknown [10.0.0.80]) by nijmegen.renzel.net (smtpd) with ESMTP id A8D8A1414877 for <freebsd-net@freebsd.org>; Wed, 16 Sep 2015 13:03:10 +0200 (CEST) Received: from asbach.renzel.net (unknown [172.18.96.1]) by dublin.vkf.isb.de.renzel.net (Postfix) with ESMTP id 9F6A36054E for <freebsd-net@freebsd.org>; Wed, 16 Sep 2015 13:03:10 +0200 (CEST) Content-Type: text/plain; charset="ISO-8859-1" From: Nils Beyer <nbe@renzel.net> Organization: VKF Renzel GmbH Date: Wed, 16 Sep 2015 13:03:10 +0200 User-Agent: KNode/4.14.3 Content-Transfer-Encoding: 7Bit Subject: Re: Multipath TCP for FreeBSD v0.5 To: freebsd-net@freebsd.org References: <55E54846.4020504@swin.edu.au> <12290.6160344884$1442400817@news.gmane.org> Lines: 11 MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.98 at nijmegen.renzel.net X-Virus-Status: Clean X-Spam-Status: No, score=3.2 required=7.0 tests=DNS_FROM_AHBL_RHSBL, MISSING_MID,UNPARSEABLE_RELAY autolearn=no version=3.3.2 X-Spam-Level: *** X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on nijmegen.renzel.net X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-net>, <mailto:freebsd-net-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net/>; List-Post: <mailto:freebsd-net@freebsd.org> List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-net>, <mailto:freebsd-net-request@freebsd.org?subject=subscribe> X-List-Received-Date: Wed, 16 Sep 2015 11:03:13 -0000 I wrote: > [...] Sometimes I get a kernel panic (s. attached screenshot). attachment has been stripped. If you need the screenshot or crash dumps, please let me know then I think about a way to provide them. As these are VMs you should be able to reconstruct the behaviour as well... Regards, Nils
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