From owner-freebsd-stable@FreeBSD.ORG Fri Sep 15 02:14:31 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B99FF16A40F for ; Fri, 15 Sep 2006 02:14:31 +0000 (UTC) (envelope-from ronald-freebsd8@klop.yi.org) Received: from smtp-out0.tiscali.nl (smtp-out0.tiscali.nl [195.241.79.175]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4BBF843D49 for ; Fri, 15 Sep 2006 02:14:31 +0000 (GMT) (envelope-from ronald-freebsd8@klop.yi.org) Received: from [82.171.39.195] (helo=guido.klop.ws) by smtp-out0.tiscali.nl with smtp (Tiscali http://www.tiscali.nl) id 1GO3Dq-0006Ht-6x for ; Fri, 15 Sep 2006 04:14:30 +0200 Received: (qmail 21250 invoked from network); 15 Sep 2006 02:14:28 -0000 Received: from localhost.thuis.klop.ws (HELO guido.klop.ws) (127.0.0.1) by localhost.thuis.klop.ws with SMTP; 15 Sep 2006 02:14:28 -0000 Date: Fri, 15 Sep 2006 04:14:28 +0200 To: freebsd-stable@freebsd.org From: "Ronald Klop" Content-Type: text/plain; format=flowed; delsp=yes; charset=us-ascii MIME-Version: 1.0 References: <2a41acea0609132023q2d23ac2eq4960cd93fb45a69b@mail.gmail.com> <4509EE70.1040907@aedifice.net> Content-Transfer-Encoding: Quoted-Printable Message-ID: In-Reply-To: <4509EE70.1040907@aedifice.net> User-Agent: Opera Mail/9.01 (FreeBSD) Subject: Re: em0: watchdog timeout -- resetting (6.1-STABLE) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 15 Sep 2006 02:14:31 -0000 On Fri, 15 Sep 2006 02:06:08 +0200, David C. Myers = = wrote: > >> watchdogs mean that the transmit ring is not being cleaned, so the >> question is what is your machine doing at 100% cpu, if its that busy >> the network watchdogs may just be a side effect and not the real >> problem? > > > I get them with a completely idle machine. My home directory is mount= ed = > via NFS (from FreeBSD 6.1 on an amd64 machine), and with the kernel fr= om = > earlier this week, the machine would just hang for 30 seconds to a = > couple of minutes. A slew of "watchdog timeout" messages would appear= . = > Then I'd get a moment's responsiveness out of the machine, then = > another long wait, then a moment's responsiveness, then a long wait...= > > The machine would never recover from this cycle (at least, so far as I= = > was patient enough to wait). > > Going back to a kernel dated late July resolved everything. > > Someone else asked me for the hardware version of my em0 board... > > > em0@pci2:10:0: class=3D0x020000 card=3D0x002e8086 chip=3D0x100e8086 r= ev=3D0x02 = > hdr=3D0x00 vendor =3D 'Intel Corporation' > device =3D '82540EM Gigabit Ethernet Controller' > class =3D network > subclass =3D ethernet > > > -David. This sounds familiar to my problem. I solved it today by enabling pollin= g. = I know it's a workaround. -- = Ronald Klop Amsterdam, The Netherlands