From owner-freebsd-net@FreeBSD.ORG Tue Jul 14 01:09:41 2009 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E84BF106564A for ; Tue, 14 Jul 2009 01:09:41 +0000 (UTC) (envelope-from glen.j.barber@gmail.com) Received: from mail-bw0-f208.google.com (mail-bw0-f208.google.com [209.85.218.208]) by mx1.freebsd.org (Postfix) with ESMTP id 65F888FC15 for ; Tue, 14 Jul 2009 01:09:41 +0000 (UTC) (envelope-from glen.j.barber@gmail.com) Received: by bwz4 with SMTP id 4so1077bwz.43 for ; Mon, 13 Jul 2009 18:09:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=iWBDWDrbE7sl0gliduwQUmZSMWWoV1sat5pz0VrSu1Y=; b=rvgXWbbxibDCq0S6N6sNQNEb6ueAYSQWY8kzVcHVneaapS6kWTy5XslDxLAtYkX5vU ytvIhjCKnbMRUd7PftUmZ+w304NS0i71FgVfSC6YB3H15OHFjx4q/YSB3kg98xmtKn05 uxxyJV4/PXzoc5RUiqnzFN0llR+/lLcyN7QFk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=u7XJIOjOWERaW8infnWgkUT7iSKARfUcHMyAttIARIghhE5nL8vyIPtj9pAoaTEMfK eBtZqoo/ARPAnGTHXlOm+SqzTUnmNMkKO4wwpK8TRis12rerczNtAkGXS+DHR8Oi6yeJ K5qYrljwZImYnJf6YfLrynQZOv6qYrI5FMb9k= MIME-Version: 1.0 Received: by 10.204.71.68 with SMTP id g4mr5718599bkj.135.1247532457027; Mon, 13 Jul 2009 17:47:37 -0700 (PDT) In-Reply-To: <4A5BD40E.9080108@delphij.net> References: <4A5BD40E.9080108@delphij.net> Date: Mon, 13 Jul 2009 20:47:37 -0400 Message-ID: <4ad871310907131747g6798c0b9j96a8ce5540f42289@mail.gmail.com> From: Glen Barber To: d@delphij.net Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-net@freebsd.org Subject: Re: [LOR] carp vs bridge X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Jul 2009 01:09:42 -0000 On Mon, Jul 13, 2009 at 8:40 PM, Xin LI wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi, > > This LOR is observed in an environment with both CARP and bridge set up. > =A0Is this an known one? > > lock order reversal: > > =A01st 0xffffff00033253e0 carp_if (carp_if) @ > /usr/src/sys/netinet/ip_carp.c:1326 > =A02nd 0xffffff00031d1218 if_bridge (if_bridge) @ > /usr/src/sys/net/if_bridge.c:1850 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2a > _witness_debugger() at _witness_debugger+0x2e > witness_checkorder() at witness_checkorder+0x81e > _mtx_lock_flags() at _mtx_lock_flags+0x78 > bridge_output() at bridge_output+0x67 > ether_output() at ether_output+0x3d7 > ip_output() at ip_output+0xd12 > carp_send_ad_locked() at carp_send_ad_locked+0x54b > carp_master_down_locked() at carp_master_down_locked+0x79 > carp_master_down() at carp_master_down+0x33 > softclock() at softclock+0x291 > intr_event_execute_handlers() at intr_event_execute_handlers+0x68 > ithread_loop() at ithread_loop+0xb2 > fork_exit() at fork_exit+0x12a > fork_trampoline() at fork_trampoline+0xe > - --- trap 0, rip =3D 0, rsp =3D 0xffffff8000042d30, rbp =3D 0 --- > I didn't see that particular LOR listed with the others: http://sources.zabbadoz.net/freebsd/lor.html Regards, --=20 Glen Barber