From owner-freebsd-hackers@FreeBSD.ORG Sat Jan 24 13:12:13 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7A5BA16A4CE; Sat, 24 Jan 2004 13:12:13 -0800 (PST) Received: from mta06-svc.ntlworld.com (mta06-svc.ntlworld.com [62.253.162.46]) by mx1.FreeBSD.org (Postfix) with ESMTP id 871DF43D2D; Sat, 24 Jan 2004 13:12:11 -0800 (PST) (envelope-from S@mSmith.net) Received: from sebastian.foriru.co.uk ([213.106.181.8]) by mta06-svc.ntlworld.comESMTP <20040124211211.OGLS22499.mta06-svc.ntlworld.com@sebastian.foriru.co.uk>; Sat, 24 Jan 2004 21:12:11 +0000 Received: from sebastian.foriru.co.uk (localhost [127.0.0.1]) i0OLCN9x019032 (version=TLSv1/SSLv3 cipher=DHE-DSS-AES256-SHA bits=256 verify=NO); Sat, 24 Jan 2004 21:12:23 GMT Received: from localhost (sams@localhost)i0OLCNu9019872; Sat, 24 Jan 2004 21:12:23 GMT X-Authentication-Warning: sebastian.foriru.co.uk: sams owned process doing -bs Date: Sat, 24 Jan 2004 21:12:23 +0000 (GMT) From: Sam Smith X-X-Sender: sams@sebastian.foriru.co.uk To: Robert Watson In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Mailman-Approved-At: Sun, 25 Jan 2004 06:00:31 -0800 cc: Max Laier cc: hackers@freebsd.org Subject: Re: XL driver checksum producing corrupted but checksum-correct packets X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Jan 2004 21:12:13 -0000 On Sat, 24 Jan 2004, Robert Watson wrote: > On Sat, 24 Jan 2004, Max Laier wrote: > > On Saturday 24 January 2004 17:06, Robert Watson wrote: > > > On Fri, 23 Jan 2004, Matthew Dillon wrote: > > > > I tracked down an occassional buildworld failure on DragonFly to > > > > my XL driver, which is synchronized to 4.x's XL driver. > > > > FYI: This was reproduced on OpenBSD as well (w/ ftp and scp): > > http://marc.theaimsgroup.com/?l=openbsd-tech&m=107494884327698&w=2 > > Two thoughts on other things to try, with that in mind: The thread on the OpenBSD list now contains a patch which seems to fix the problem (for me, on OpenBSD, shifting data by both NFS and ftp doing md5 checksums on the files at both ends). Although it doesn't seem to turn off hardware checksums (which is what I think it should do). Regards Sam -- Murphy's revenge: The more reliable you make a system, the longer it will take you to figure out what's wrong when it breaks.