From owner-freebsd-questions@FreeBSD.ORG Sun Feb 24 15:07:28 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2458416A403 for ; Sun, 24 Feb 2008 15:07:28 +0000 (UTC) (envelope-from dave@raven.za.net) Received: from elektra.opteqint.net (elektra.opteqint.net [209.25.178.105]) by mx1.freebsd.org (Postfix) with ESMTP id F3FBD13C465 for ; Sun, 24 Feb 2008 15:07:27 +0000 (UTC) (envelope-from dave@raven.za.net) Received: from [41.242.32.152] (helo=DHA12123) by elektra.opteqint.net with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.66 (FreeBSD)) (envelope-from ) id 1JTHpi-0000yx-JY for freebsd-questions@freebsd.org; Sun, 24 Feb 2008 06:28:05 -0800 From: "Dave Raven" To: Date: Sun, 24 Feb 2008 16:27:54 +0200 Message-ID: <00b301c876f1$74b16d80$5e144880$@za.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ach28XGBHEjp6T9ARZW54GozO8qQcA== Content-Language: en-us Subject: Dropped Packets X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Feb 2008 15:07:28 -0000 Hi all, I have a FreeBSD 4.11 (I know its outdated but I don't have an option) box which is behaving very weirdly. After about a day and a half it starts to drop packets - about 6-10% of pings at least, and tcp traffic becomes unreliable etc. I have swapped out the network cards, the cables etc and I don't have any mbuf problems and all seems fine. For the first day the box works fine - pinging, doing tcp traffic etc; and then suddenly it just stops. Rebooting brings it all back to normal. Any ideas what could be causing this, and how I could go about diagnosing it? As far as I know there are no known bugs for this. I'm using the em driver, but not with SMP. There are no errors on the interface, and the em debug_info and stats sysctl's don't show any problems - there is no indication on the box itself that its dropping packets.. My thinking is that it must be box specific as a reboot solves the problem? Thanks in advance Dave