From owner-freebsd-net@FreeBSD.ORG Wed Apr 15 14:18:03 2015 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 61B601A8 for ; Wed, 15 Apr 2015 14:18:03 +0000 (UTC) Received: from smarthost1.sentex.ca (smarthost1.sentex.ca [IPv6:2607:f3e0:0:1::12]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client CN "smarthost.sentex.ca", Issuer "smarthost.sentex.ca" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 25C056E2 for ; Wed, 15 Apr 2015 14:18:02 +0000 (UTC) Received: from [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a] (saphire3.sentex.ca [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a]) by smarthost1.sentex.ca (8.14.9/8.14.9) with ESMTP id t3FEI12B022463; Wed, 15 Apr 2015 10:18:01 -0400 (EDT) (envelope-from mike@sentex.net) Message-ID: <552E7324.90000@sentex.net> Date: Wed, 15 Apr 2015 10:18:12 -0400 From: Mike Tancsa Organization: Sentex Communications User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Andre Albsmeier CC: freebsd-net@freebsd.org Subject: Re: Intel em (82574L and 82573L) problems: stopping on high network and cpu load (Watchdog timeout) References: <20150413101626.GA47411@bali> <552BBF48.4090808@sentex.net> <20150414055445.GA54779@bali> <552D1DAC.9040104@sentex.net> <20150415054244.GA66168@bali> In-Reply-To: <20150415054244.GA66168@bali> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.75 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Apr 2015 14:18:03 -0000 On 4/15/2015 1:42 AM, Andre Albsmeier wrote: > On Tue, 14-Apr-2015 at 10:01:16 -0400, Mike Tancsa wrote: >> On 4/14/2015 1:54 AM, Andre Albsmeier wrote: >>> >>> Is this an em specific issue or should one avoid TSO generally >>> at the moment? That is, should I disable it on machines with >>> msk (and maybe other) interfaces as well? >> >> em specific I think. This thread has some info on what might be going on >> >> https://lists.freebsd.org/pipermail/freebsd-stable/2014-September/080081.html > > Very interesting, thanks. Until now (and without TSO), the problem > did not re-occur but I didn't hit the NFS heavily yet. Hi, Just to be clear, the network hang has returned ? Or its still problem free ? ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/