From owner-freebsd-stable Thu May 24 13: 0:25 2001 Delivered-To: freebsd-stable@freebsd.org Received: from root.com (root.com [209.102.106.178]) by hub.freebsd.org (Postfix) with ESMTP id 0631437B422 for ; Thu, 24 May 2001 13:00:23 -0700 (PDT) (envelope-from dg@root.com) Received: (from dg@localhost) by root.com (8.11.2/8.11.2) id f4OJs2225416; Thu, 24 May 2001 12:54:02 -0700 (PDT) (envelope-from dg) Date: Thu, 24 May 2001 12:54:02 -0700 From: David Greenman To: "Forrest W. Christian" Cc: freebsd-stable@freebsd.org Subject: Re: fxp0 "sleeping" Problem (NOT NEW DRIVER RELATED) Message-ID: <20010524125402.A25389@nexus.root.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: ; from forrestc@imach.com on Thu, May 24, 2001 at 10:33:57AM -0600 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG >110/2560/2560 mbuf clusters in use (current/peak/max) > >Generally I never see the clusters above 150 or so UNLESS the card is >"hung" which I suspect is a symptom and not the cause... > >We don't need to do anything to have it come back - just wait, and then >everything seems just fine like as if nothing had happened at all. >It seems to sleep about 5 minutes. I can't tell if it sleeps for a >specific length of time or not, but from the missed ping responses, it >seems like it varys from time to time. This looks like a SYN or similar type of attack - lots of connection requests/new connections use up all of the mbuf clusters and they have to time out before the network is usable again. -DG David Greenman Co-founder, The FreeBSD Project - http://www.freebsd.org President, TeraSolutions, Inc. - http://www.terasolutions.com Pave the road of life with opportunities. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message