From owner-freebsd-net@FreeBSD.ORG Mon Jul 14 06:30:15 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D18F9869 for ; Mon, 14 Jul 2014 06:30:15 +0000 (UTC) Received: from nijmegen.renzel.net (mx1.renzel.net [195.243.213.130]) by mx1.freebsd.org (Postfix) with ESMTP id 930DE229B for ; Mon, 14 Jul 2014 06:30:14 +0000 (UTC) Received: from dublin.vkf.isb.de.renzel.net (unknown [10.0.0.80]) by nijmegen.renzel.net (smtpd) with ESMTP id F2A911414818 for ; Mon, 14 Jul 2014 08:29:52 +0200 (CEST) Received: from asbach.renzel.net (unknown [10.2.0.7]) by dublin.vkf.isb.de.renzel.net (Postfix) with ESMTP id 7914F1A0765 for ; Mon, 14 Jul 2014 08:29:57 +0200 (CEST) Content-Type: text/plain; charset="ISO-8859-1" From: Nils Beyer Organization: VKF Renzel GmbH Date: Mon, 14 Jul 2014 08:29:57 +0200 User-Agent: KNode/4.12.5 Content-Transfer-Encoding: 7Bit Subject: Re: Multipath TCP for FreeBSD v0.4 To: freebsd-net@freebsd.org References: <513CB9AF.3090409@swin.edu.au> <53BF8945.3000802@swin.edu.au> <20140711102535.7613DBE5@hub.freebsd.org> <53C341FC.4060307@swin.edu.au> Lines: 61 MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.98 at nijmegen.renzel.net X-Virus-Status: Clean X-Spam-Status: No, score=-6.5 required=7.0 tests=BAYES_00,MISSING_MID, UNPARSEABLE_RELAY autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on nijmegen.renzel.net X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18 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, 14 Jul 2014 06:30:16 -0000 Hi Nigel, Nigel Williams wrote: >> Do you want any crash dumps? If yes, where do you want them to be >> uploaded? > > Yes, that would be helpful (I'll send you a link to a drop box). If you > were able to email me the core text files that might also help. Thanks for the link. I've sent you two crash dumps including the core text files. > Okay, I'll set up something similar. Did you configure any other TCP > sysctls? Yes: =============================================================================== net.inet.ip.fw.default_to_accept=1 net.inet.tcp.sack.enable=0 net.inet.tcp.tso=0 net.inet.tcp.mptcp.mp_addresses="192.168.1.1" net.inet.tcp.mptcp.linux_compat=0 =============================================================================== and I've built the whole system on both nodes without WITNESS and other debug- ging functionalities: =============================================================================== Index: /usr/src/sys/amd64/conf/GENERIC =================================================================== --- /usr/src/sys/amd64/conf/GENERIC (revision 265307) +++ /usr/src/sys/amd64/conf/GENERIC (working copy) @@ -76,14 +76,14 @@ options KDB # Enable kernel debugger support. options KDB_TRACE # Print a stack trace for a panic. # For full debugger support use (turn off in stable branch): -options DDB # Support DDB. -options GDB # Support remote GDB. -options DEADLKRES # Enable the deadlock resolver -options INVARIANTS # Enable calls of extra sanity checking -options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS -options WITNESS # Enable checks to detect deadlocks and cycles -options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed -options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones +#options DDB # Support DDB. +#options GDB # Support remote GDB. +#options DEADLKRES # Enable the deadlock resolver +#options INVARIANTS # Enable calls of extra sanity checking +#options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS +#options WITNESS # Enable checks to detect deadlocks and cycles +#options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed +#options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones # Make an SMP-capable kernel by default options SMP # Symmetric MultiProcessor Kernel =============================================================================== Regards, Nils