From owner-freebsd-hackers Wed Oct 8 14:38:37 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id OAA16292 for hackers-outgoing; Wed, 8 Oct 1997 14:38:37 -0700 (PDT) (envelope-from owner-freebsd-hackers) Received: from gaia.coppe.ufrj.br (jonny@cisigw.coppe.ufrj.br [146.164.5.200]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id OAA16287 for ; Wed, 8 Oct 1997 14:38:35 -0700 (PDT) (envelope-from jonny@coppe.ufrj.br) Received: (from jonny@localhost) by gaia.coppe.ufrj.br (8.8.7/8.8.7) id TAA24724; Wed, 8 Oct 1997 19:38:25 -0200 (EDT) From: Joao Carlos Mendes Luis Message-Id: <199710082138.TAA24724@gaia.coppe.ufrj.br> Subject: Re: TCP problem In-Reply-To: <199710080405.VAA16407@implode.root.com> from David Greenman at "Oct 7, 97 09:05:48 pm" To: dg@root.com Date: Wed, 8 Oct 1997 19:38:25 -0200 (EDT) Cc: jonny@coppe.ufrj.br, hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL32 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk #define quoting(David Greenman) // > I have an intermitent TCP problem between a FreeBSD 2.2-STABLE and a // >2.0.27 Linux. It's happening right now, let me show an example: // ... // >22:49:36.804033 146.164.5.200.2038 > 146.164.53.91.19: . ack 165 win 0 (DF) [tos 0x10] (ttl 64, id 38646) // // This indicates that the window has completely closed and isn't reopening. Good point... But why ? // What type of ethernet card is in the FreeBSD machine? This might indicate that It's 21040 based one. I'm not sure which one exactly, but think it's a DEC DE435. // the machine has run out of network buffers...does the console indicate // anything (like "Out of mbuf clusters")? "grep -i mbuf /var/log/messages" shows nothing. And it's old enough. Jonny -- Joao Carlos Mendes Luis jonny@gta.ufrj.br +55 21 290-4698 jonny@coppe.ufrj.br Universidade Federal do Rio de Janeiro UFRJ/COPPE/CISI PGP fingerprint: 29 C0 50 B9 B6 3E 58 F2 83 5F E3 26 BF 0F EA 67