From owner-freebsd-net@FreeBSD.ORG Fri Jun 20 20:55:55 2008 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0B177106566B for ; Fri, 20 Jun 2008 20:55:55 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from hs-out-0708.google.com (hs-out-0708.google.com [64.233.178.251]) by mx1.freebsd.org (Postfix) with ESMTP id BCE218FC13 for ; Fri, 20 Jun 2008 20:55:54 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: by hs-out-0708.google.com with SMTP id h53so244156hsh.11 for ; Fri, 20 Jun 2008 13:55:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=ZiYQzOUQ5CoKZ1fxzD6SQfExMACv7vKx7CJSGfCxUe8=; b=tuJlhNX+A3JMa/xxjhrW3FtwCFzXapeO11Jy6G/gbWK7VpPNRQuElgTsIUjbct1YIG 24ObrRvlxb3U0ge5+BA2FDz37UU7MpbMOWX834LeRvZO2vt+0GMtf97BctC5caniFTAR UcoFNz0395IupBu/7Bciv2DPxfiU8RFne62lo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=HYuuTZYVSIFSP7jAMTouyhRb/3GE4GQCAE/w1Ku1tbd5NdJ0n5Nf7fiV+ybU7twWDn GkNNZHpZYyy06nzUQ2JYd2fKFCfYZYFysNbQXn9hw+WphH5tz5gwneMv9aVuiOt5X90U n0O4GCbdHWanYUPXBajSAQIPosUIA7Gt3M1TQ= Received: by 10.100.32.8 with SMTP id f8mr6258233anf.124.1213995353756; Fri, 20 Jun 2008 13:55:53 -0700 (PDT) Received: by 10.100.43.1 with HTTP; Fri, 20 Jun 2008 13:55:53 -0700 (PDT) Message-ID: <2a41acea0806201355y3b123462wc37280f28a9f4216@mail.gmail.com> Date: Fri, 20 Jun 2008 13:55:53 -0700 From: "Jack Vogel" To: Rudy In-Reply-To: <485C0F07.7000408@monkeybrains.net> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080516185813.H866@logos.sky.od.ua> <2a41acea0805160904g7dcf9f58rf69ca5d0612945cc@mail.gmail.com> <4853055C.2030303@MonkeyBrains.NET> <48535A11.4020003@monkeybrains.net> <48582C29.8030307@monkeybrains.net> <2a41acea0806191055w5e112b8bsa57a8db2b177adbe@mail.gmail.com> <485C0F07.7000408@monkeybrains.net> Cc: freebsd-net@freebsd.org Subject: Re: Seeking help understanding my "emX: watchdog timeout" messages X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Jun 2008 20:55:55 -0000 On the 573 get me an eeprom dump: sysctl dev.em.4.debug=2 If you have having TX timeouts using polling, perhaps your system is so busy that its not running the cleanup routine in time, can you switch and run the interface in non-polled, in fact if possible using MSI?? Jack On Fri, Jun 20, 2008 at 1:11 PM, Rudy wrote: > Jack Vogel wrote: >> >> Watchdog reset is an indication that the TX completion did not happen >> within a reasonable time, it can the symptom of a variety of problems. >> >> You list a bunch of settings for polling, is this interface in POLLING >> mode? >> > > Yes, DEVICE_POLLING is in the kernel and kern.polling.enable=1. I did not > issue a > "ifconfig em2 polling" and I see it running, so I assume that it is in > POLLING mode. > > > em2: flags=8843 metric 0 mtu 1500 > > options=1db > ether 00:15:17:78:99:72 > inet 64.215.30.154 netmask 0xfffffffc broadcast 64.215.30.155 > media: Ethernet autoselect (1000baseTX ) > status: active > > Interestingly, I also get the watchdog timeouts on my em4 (motherboard > 82573E NIC). > > In a 24 hour period, I see 8 'watchdog timeout' events. 4 on em2 and 4 on > em4. Both are uplinks to different cisco switches which vlan those ports to > fiber uplinks. > > Thank you for your time Jack, > Rudy >