From owner-freebsd-net@freebsd.org Wed Feb 8 02:46:36 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 403F3CD395C; Wed, 8 Feb 2017 02:46:36 +0000 (UTC) (envelope-from ler@FreeBSD.org) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [IPv6:2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "thebighonker.lerctr.org", Issuer "COMODO RSA Domain Validation Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1F94AD37; Wed, 8 Feb 2017 02:46:36 +0000 (UTC) (envelope-from ler@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lerctr.org; s=lerami; h=Message-ID:References:In-Reply-To:Subject:Cc:To:From:Date: Content-Transfer-Encoding:Content-Type:MIME-Version:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=BI5SvsrmlYudqrJUQyvR9PMMJ/nvnFYaI7Tbws5dzAo=; b=WtqIleq0XT2PM7Hw7Fg+ZxKtMO IR+eNSO9NFHJct//4MmxaRqwHAfAKj/gSFCYF4Y/vqCITwagEe1yMOJNi5NoYy+3rx0hgxuPgMz4K wVxqZClRD+KA8xjr8EDNpIIwLlN5IOxZX/h45QFWZH8ELNZ1UnSlxNXruj2oEJYQ06KQ=; Received: from thebighonker.lerctr.org ([2001:470:1f0f:3ad:223:7dff:fe9e:6e8a]:25148 helo=webmail.lerctr.org) by thebighonker.lerctr.org with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.88 (FreeBSD)) (envelope-from ) id 1cbIHD-000ITs-A7; Tue, 07 Feb 2017 20:46:35 -0600 Received: from 2001:470:1f0f:42c:ac93:b159:a623:348b by webmail.lerctr.org with HTTP (HTTP/1.1 POST); Tue, 07 Feb 2017 20:46:35 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Tue, 07 Feb 2017 20:46:35 -0600 From: Larry Rosenman To: Larry Rosenman Cc: Freebsd net , owner-freebsd-net@freebsd.org Subject: Re: panic with dhcp assigned jumbo frames/bce interface In-Reply-To: References: Message-ID: X-Sender: ler@FreeBSD.org User-Agent: Roundcube Webmail/1.2.3 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, 08 Feb 2017 02:46:36 -0000 On 02/07/2017 9:18 am, Larry Rosenman wrote: > I attempted to set my network up with jumbo frames, and have the MTU > set via > DHCP option 26 (9000), and I get my bce0 device bouncing up & down > like a yo-yo, and > a panic with a recursed lock. > > I can probably get a picture of the panic, but wanted to get this out > there. > > (-CURRENT, both the January snap and the February snap, AMD64.) What documentation/etc would y'all like? -- Larry Rosenman http://people.freebsd.org/~ler Phone: +1 214-642-9640 E-Mail: ler@FreeBSD.org US Mail: 17716 Limpia Crk, Round Rock, TX 78664-7281