From owner-freebsd-stable@FreeBSD.ORG Tue Dec 2 05:27:12 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 980B81065673; Tue, 2 Dec 2008 05:27:12 +0000 (UTC) (envelope-from vulture@netvulture.com) Received: from mail.consult-scs.com (MAIL.CONSULT-SCS.COM [208.81.60.67]) by mx1.freebsd.org (Postfix) with ESMTP id 8C1B18FC08; Tue, 2 Dec 2008 05:27:12 +0000 (UTC) (envelope-from vulture@netvulture.com) Received: from [127.0.0.1] (host77.netvulture.com [208.201.244.77]) (Authenticated sender: vulture@netvulture.com) by mail.consult-scs.com (Postfix) with ESMTPA id 4F72F1642489; Mon, 1 Dec 2008 21:27:41 -0800 (PST) Message-ID: <4934C733.4020506@netvulture.com> Date: Mon, 01 Dec 2008 21:27:15 -0800 From: Jonathan Feally User-Agent: Thunderbird 2.0.0.18 (Windows/20081105) MIME-Version: 1.0 To: freebsd-stable@freebsd.org, freebsd-net@freebsd.org References: <4933A00E.7080201@netvulture.com> In-Reply-To: <4933A00E.7080201@netvulture.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-SCS-MailScanner-Information: Please contact the ISP for more information X-MailScanner-ID: 4F72F1642489.DAC6B X-SCS-MailScanner: Found to be clean X-SCS-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-204.399, required 4, autolearn=not spam, ALL_TRUSTED -1.80, BAYES_00 -2.60, INIT_RECVD_OUR_AUTH -200.00) X-SCS-MailScanner-From: vulture@netvulture.com Cc: Subject: Re: dhclient doing DISCOVER with bad IP checksum - bge (7.1 show stopper??) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 Dec 2008 05:27:12 -0000 Can someone please confirm or rule out my issue with dhclient sending bad IP checksum packets. It would really suck if 7.1 was released with a broken DHCP client. Jonathan Feally wrote: > Sorry for the cross-post, but this could be either lists problem. > > I have 2 boxes running 7-STABLE as of 20081130, both i386 SMP. One is > running ISC DHCPD 3.0.x from recent ports, and the other dhclient from > make world. > > The server is refusing to answer the DISCOVER request, as it thinks > the IP checksum is wrong, which tcpdump also confirms. Other DHCP > clients are working fine on this network, so I do not believe it to be > the network, server or dhcpd. > > Server is running a 2 Port Intel card - em driver. > > Client is a Dell PE1750 with 2 onboard NIC's - bge driver. > > I have tried turning off both RXCSUM and TXCSUM on both the client and > server machines with no luck. I also tried the second NIC on the > server with the same result. > > This setup was working just a couple of weeks ago, and the only thing > that has changed is updating the src for a make world. PXE booting > this server does result in an IP being issued, so it is pointing > towards something new/changed in 7-STABLE. > > I have attached a 3 packet dump of the DISCOVER requests. > > Can anybody shed some light on this for me? > > Thanks, -Jon > > ------------------------------------------------------------------------ > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.