From owner-freebsd-questions Mon Sep 2 8: 4:23 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9C79637B400 for ; Mon, 2 Sep 2002 08:04:18 -0700 (PDT) Received: from perimeter.co.za (obelix.perimeter.co.za [209.212.102.154]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2673343E42 for ; Mon, 2 Sep 2002 08:04:15 -0700 (PDT) (envelope-from bsd@perimeter.co.za) Received: from PATRICK ([209.212.102.245]) (AUTH: LOGIN bsd@perimeter.co.za) by perimeter.co.za with esmtp; Mon, 02 Sep 2002 17:04:10 +0200 Message-ID: <011301c25292$2e528ce0$b50d030a@PATRICK> From: "Patrick O'Reilly" To: "FreeBSD Question List" Subject: Network Communications stopped for no apparent reason?!? Date: Mon, 2 Sep 2002 17:05:27 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Hi all. I have experienced something very strange today. A server running 4.6.2 just stopped talking to the network. I cannot find any clues as to why! I drove over to the Collocation site, expecting to find it was down with some hardware problem, but was surprised to find that it was actually still running. After bouncing it it came up OK. An mrtg probe that should have run at 12:10 was unable to connect, which indicates that the network died sometime between 12:05 and 12:10. The only clues I can find are the following entries from /var/log/messages: --- Sep 2 12:08:25 obelix /kernel: dc0: TX underrun -- increasing TX threshold Sep 2 12:08:26 obelix /kernel: dc0: TX underrun -- increasing TX threshold Sep 2 12:08:26 obelix /kernel: dc0: TX underrun -- using store and forward mode --- The /var/run/maillog shows continued email messages delivered from the system (eg: warning about the failure of mrtg probes) to local accounts, but no incoming messages from the outside. Any ideas on where else I could look for more info? Regards, Patrick O'Reilly. ___ _ __ / _ )__ __ (_)_ __ ___ _/ /____ __ / __/ -_) _) / ~ ) -_), ,-/ -_) _) /_/ \__/_//_/_/~/_/\__/ \__/\__/_/ http://www.perimeter.co.za To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message