From owner-freebsd-net@FreeBSD.ORG Mon Mar 4 18:58:35 2013 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id C469C20E for ; Mon, 4 Mar 2013 18:58:35 +0000 (UTC) (envelope-from zbeeble@gmail.com) Received: from mail-ve0-f178.google.com (mail-ve0-f178.google.com [209.85.128.178]) by mx1.freebsd.org (Postfix) with ESMTP id 7865BE5C for ; Mon, 4 Mar 2013 18:58:35 +0000 (UTC) Received: by mail-ve0-f178.google.com with SMTP id db10so4987775veb.37 for ; Mon, 04 Mar 2013 10:58:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=hOzfVdUa4NIuj0zHKnleUyMv1C2irzEdfjdkArFukwI=; b=QBje+CyYniNWJIH3IF9aDu4EBQpoSuwtBe8rWNGrXMyTWRUOzaC88VwWkUFXtmmg3B gxyGyEifNTWbxAUXzp+OlHFuP00L+DRW4KAo5/+H1H8TselRvNxVc2euLlvjcnOdw0WU 3MCgWb/I/IcySCRsbZDum2lDl5WkemL5wpzBHaWflo8cjzHiPO5NEcsutz+s/fXkA3Pc vXjaENqmevDSceo8AYYkavka9fqof5ewamZJvZtPd6kvRkVXkKQbAOxLwmC1837LEXZH 4kDyzqROO2Eso5Qpy+fAOfcBO7tCxb8j+qwnCvjAJhosgtLcxIS8EOAbxJOZLkC6/gnM Rr0Q== MIME-Version: 1.0 X-Received: by 10.220.107.210 with SMTP id c18mr8280287vcp.5.1362423514653; Mon, 04 Mar 2013 10:58:34 -0800 (PST) Received: by 10.220.232.6 with HTTP; Mon, 4 Mar 2013 10:58:34 -0800 (PST) In-Reply-To: References: <512BAA60.3060703@biostat.wisc.edu> <512BAF8D.7080308@biostat.wisc.edu> Date: Mon, 4 Mar 2013 13:58:34 -0500 Message-ID: Subject: Re: igb network lockups From: Zaphod Beeblebrox To: Jack Vogel Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: Nick Rogers , Sepherosa Ziehau , "Christopher D. Harrison" , "freebsd-net@freebsd.org" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Mar 2013 18:58:35 -0000 For everyone having lockup problems with IGB, I'd like to ask if they could try disabling hyperthreads --- this worked for me on one system but has been unnecessary on others.