From owner-freebsd-net Wed Jan 3 10:10:18 2001 From owner-freebsd-net@FreeBSD.ORG Wed Jan 3 10:10:15 2001 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20]) by hub.freebsd.org (Postfix) with ESMTP id C6D9F37B400 for ; Wed, 3 Jan 2001 10:10:15 -0800 (PST) Received: (from bright@localhost) by fw.wintelcom.net (8.10.0/8.10.0) id f03IA9a04204; Wed, 3 Jan 2001 10:10:09 -0800 (PST) Date: Wed, 3 Jan 2001 10:10:09 -0800 From: Alfred Perlstein To: "C. Stephen Gunn" Cc: freebsd-net@freebsd.org Subject: Re: 'no memory for rx list' Message-ID: <20010103101008.I19572@fw.wintelcom.net> References: <20010102071809.G19572@fw.wintelcom.net> <20010103092448.A594@waterspout.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010103092448.A594@waterspout.com>; from csg@waterspout.com on Wed, Jan 03, 2001 at 09:24:48AM -0500 Sender: bright@fw.wintelcom.net Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org * C. Stephen Gunn [010103 06:22] wrote: > On Tue, Jan 02, 2001 at 07:18:10AM -0800, Alfred Perlstein wrote: > > > I notice that if_fxp.c seems to fail silently when unable to > > allocate network buffers, perhaps the fact that the kernel can > > be doing about 200 or more messages per-second makes me guess > > that it's not helping things, especially when the box has a > > serial console. > > > > I'm taking the printf's out of my copy of if_xl.c on a 3.5 > > system, I'll let you know if it still goes nuts for extended > > amounts of time. > > You could change the printf()'s to log()'s, and allow syslogd > to filter/combine/report them on your console. I'm sure you > already know this, you could increase NBMCLUSTERS and friends > in your kernel config, or at boot time. (For posterity in > the list archives). I really don't see any point in assisting a cascade-like failure situation by adding more work that the kernel has to do when faced with a shortage. Raising nmbclusters will help, but only to delay the problem. -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message