From owner-freebsd-net@freebsd.org Wed Jan 11 06:19:51 2017 Return-Path: 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 99296CAA5E7 for ; Wed, 11 Jan 2017 06:19:51 +0000 (UTC) (envelope-from BM-2cWfdfG5CJsquqkJyry7hZT9LypbSEWEkQ@bitmessage.ch) Received: from mail.bitmessage.ch (mail.bitmessage.ch [146.228.112.252]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D6873155E; Wed, 11 Jan 2017 06:19:50 +0000 (UTC) (envelope-from BM-2cWfdfG5CJsquqkJyry7hZT9LypbSEWEkQ@bitmessage.ch) dkim-signature: v=1; a=rsa-sha256; d=bitmessage.ch; s=mail; c=relaxed/relaxed; q=dns/txt; h=From:Subject:Date:Message-ID:To:CC:MIME-Version:Content-Type:Content-Transfer-Encoding:In-Reply-To:References; bh=wBVdRfEH53e7QEi0/y3f4hmcGD+nuEd9Nnie4HozqTI=; b=jy8LtbgLKDyzfJbPr2f2NZje7w1bd7/A6YzgHX1IUzmw3k2SPJF/c2qlNqRexikhgZ+donHb2oCFJpMTjTFDWWKS8YpJGn1FIxqG0SQx6Mgz14BcOBRbmTKo7EDlcwT0SfRtxObgdEbiTnttzocolkgE20Th6szfzc7Z7JzApeo= Received: from lion.3 (46-227-67-181.pool.ovpn.se [46.227.67.181]) by mail.bitmessage.ch with ESMTPSA (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256) ; Wed, 11 Jan 2017 07:19:11 +0100 Date: Wed, 11 Jan 2017 07:19:39 +0100 From: Jim To: Mark Johnston Cc: freebsd-net@freebsd.org Subject: Re: Panic in nd6_prefix_offlink() Message-Id: <20170111071939.9e3983da5cc61cfe658201da@bitmessage.ch> In-Reply-To: <20170108184815.GB34440@raichu> References: <20170107201119.22d9ceff88e935c2b3f072a1@bitmessage.ch> <20170108184815.GB34440@raichu> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.29; amd64-portbld-freebsd10.3) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Jan 2017 06:19:51 -0000 On Sun, 8 Jan 2017 10:48:15 -0800 Mark Johnston wrote: > On Sat, Jan 07, 2017 at 08:11:19PM +0100, Jim wrote: > > Hello, > > > > I observe frequent crashes on Beagle Bone Black running CURRENT r311106 at home. > > My home LAN is connected to DSL provider. The CPE router gets assigned IPv6 address (ds-lite) and advertises prefix/route to the LAN. > > Every night the DSL connection is terminated by provider. Upon connection is reestablished the new IPv6 prefix is assigned to router and then advertised to LAN. > > This event seems to cause kernel panic on Beagelebone board which goes to db> prompt. > > > > Backtrace shows: nd6_timer() -> nd6_prefix_offlink() -> witness_assert() -> vpanic() > > Here is the backtrace: > > Thanks for the report. This should be addressed by r311695. Confirm that the problem is resolved. Thank you. -- Jim