From owner-freebsd-hackers Mon May 10 12:46:18 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from feral.com (feral.com [192.67.166.1]) by hub.freebsd.org (Postfix) with ESMTP id 94C0015D30 for ; Mon, 10 May 1999 12:45:29 -0700 (PDT) (envelope-from mjacob@feral.com) Received: from feral.com (mjacob@feral.com [192.67.166.1]) by feral.com (8.8.7/8.8.7) with ESMTP id MAA14283; Mon, 10 May 1999 12:44:33 -0700 Date: Mon, 10 May 1999 12:44:33 -0700 (PWT) From: Matthew Jacob Reply-To: mjacob@feral.com To: Peter Wemm Cc: Matthew Dillon , "Pedro J. Lobo" , freebsd-hackers@FreeBSD.ORG Subject: Re: What is a "transmit underflow"? In-Reply-To: <19990510193823.C9FF61F73@spinner.netplex.com.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG This almost always happens for tulip chips && and alpha platforms and Matt Thomas' de driver. 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. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message