From owner-freebsd-hackers Mon May 13 11:42:46 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from root.com (nexus.root.com [209.102.106.178]) by hub.freebsd.org (Postfix) with ESMTP id 6226737B406 for ; Mon, 13 May 2002 11:42:26 -0700 (PDT) Received: (from dg@localhost) by root.com (8.11.2/8.11.2) id g4DIfOS82397; Mon, 13 May 2002 11:41:24 -0700 (PDT) (envelope-from dg) Date: Mon, 13 May 2002 11:41:24 -0700 From: David Greenman-Lawrence To: Terry Lambert Cc: jamie@tridentmicrosystems.co.uk, freebsd-hackers@freebsd.org Subject: Re: Broadcom BCM5701 Chipset problems Message-ID: <20020513114124.J72322@nexus.root.com> References: <20020513115600.A50967@mufuf.trident-uk.co.uk> <3CDFF60C.48A2EA65@mindspring.com> <20020513102526.H72322@nexus.root.com> <3CE00329.AD179FC9@mindspring.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3CE00329.AD179FC9@mindspring.com>; from tlambert2@mindspring.com on Mon, May 13, 2002 at 11:17:13AM -0700 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG >David Greenman-Lawrence wrote: >> >If you aren't using VLAN tagging, you shouldn't care. >> >> No, that is absolutely not correct. The checksum problems happend in many >> situations, depending on the chipset and other factors. The problem that >> resulted in the commit to disable the receive hardware checksum was caused >> by small packets with certain byte patterns, NOT VLAN ENCAPSULATION. > >Are you sure you are talking about the Tigon III, and not the Tigon II? Yes, of course. I'm talking specifically about the Broadcom BCM570x. My particular experiance was with the Syskonnect 9D21 and 9D41 boards which both use the Altima chip. -DG David Greenman-Lawrence Co-founder, The FreeBSD Project - http://www.freebsd.org President, TeraSolutions, Inc. - http://www.terasolutions.com President, Download Technologies, Inc. - http://www.downloadtech.com Pave the road of life with opportunities. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message