From owner-freebsd-hackers Mon May 10 14:40: 2 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from uni4nn.gn.iaf.nl (osmium.gn.iaf.nl [193.67.144.12]) by hub.freebsd.org (Postfix) with ESMTP id 0046614A2E for ; Mon, 10 May 1999 14:39:56 -0700 (PDT) (envelope-from wilko@yedi.iaf.nl) Received: from yedi.iaf.nl (uucp@localhost) by uni4nn.gn.iaf.nl (8.9.2/8.9.2) with UUCP id XAA12105; Mon, 10 May 1999 23:21:53 +0200 (MET DST) Received: (from wilko@localhost) by yedi.iaf.nl (8.9.3/8.9.3) id XAA01411; Mon, 10 May 1999 23:00:22 +0200 (CEST) (envelope-from wilko) From: Wilko Bulte Message-Id: <199905102100.XAA01411@yedi.iaf.nl> Subject: Re: What is a "transmit underflow"? In-Reply-To: from Matthew Jacob at "May 10, 1999 12:44:33 pm" To: mjacob@feral.com Date: Mon, 10 May 1999 23:00:22 +0200 (CEST) Cc: peter@netplex.com.au, dillon@apollo.backplane.com, pjlobo@euitt.upm.es, freebsd-hackers@FreeBSD.ORG X-Organisation: Private FreeBSD site - Arnhem, The Netherlands X-pgp-info: PGP public key at 'finger wilko@freefall.freebsd.org' X-Mailer: ELM [version 2.4ME+ PL43 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG As Matthew Jacob wrote ... > This almost always happens for tulip chips && and alpha platforms and Matt > Thomas' de driver. I have also seen it quite often on i386, it is not limited to alpha > On Tue, 11 May 1999, Peter Wemm wrote: > > > Matthew Dillon wrote: > > > :Hi, all. > > > : > > > :I've got two FreeBSD boxes (3.1-R) working as routers, one with two 4-port > > > :ZNYX 10/100 ethernet cards and the other with one of those cards. The > > > :cards have DEC chips (21140A). > > > : > > > :The routers are working perfectly, but from time to time I get the > > > :following messages: > > > : > > > :de0: abnormal interrupt: transmit underflow (raising TX threshold to 96|256) > > > :de1: abnormal interrupt: transmit underflow (raising TX threshold to 96|256) > > > : > > > :What do they mean? Everything seems to be OK, but I'd like to know wether > > > :I have to worry about this or not. Not to worry, it keeps working just fine in my experience. Groeten / Cheers, | / o / / _ Arnhem, The Netherlands - Powered by FreeBSD - |/|/ / / /( (_) Bulte WWW : http://www.tcja.nl http://www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message