From owner-freebsd-questions@FreeBSD.ORG Wed Dec 1 16:15:29 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 31E051065670 for ; Wed, 1 Dec 2010 16:15:29 +0000 (UTC) (envelope-from bjmccann@gmail.com) Received: from mail-qy0-f182.google.com (mail-qy0-f182.google.com [209.85.216.182]) by mx1.freebsd.org (Postfix) with ESMTP id D84D58FC13 for ; Wed, 1 Dec 2010 16:15:28 +0000 (UTC) Received: by qyk36 with SMTP id 36so4145285qyk.13 for ; Wed, 01 Dec 2010 08:15:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=88viKfgSD0WtAC6BxMCJfJsnF1URBBnI2epYT3qdbcM=; b=RChxhQ4wLag7GICW6qjndqxiF4Cm4weLyEIlnxR4dIIj+fFvYEm2PA9rPYOquFWS8d wsz2IUYysD6KnfAAFnXndxaZMvGd+v/CG5w/y6Q7i6lUBN6xVGeodWjIgOI1DFDvrFLE bmbZHyrWKTn3yjkGQqjcSVEdLwpnhW8j3MFN8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=xqSzDl1mR7VwpPbRIXrlYbSBi+MtVxfmroIhZj593Fhg153iRbLMNqGGHopLFqksGE Ywvf2Ufl2DAC9jsIRpNlwirW4/CL4527mMeuyeZMp3wzG+VAxrviRi+MfIgo4dbSyH48 yY9f2x7AQLbMep2/2upaiq8KbmRRAnWNbUaIM= MIME-Version: 1.0 Received: by 10.224.174.70 with SMTP id s6mr7860751qaz.285.1291220128057; Wed, 01 Dec 2010 08:15:28 -0800 (PST) Received: by 10.220.178.197 with HTTP; Wed, 1 Dec 2010 08:15:27 -0800 (PST) In-Reply-To: References: <4CF65BD8.7090401@noc.cfi.pgh.pa.us> Date: Wed, 1 Dec 2010 11:15:27 -0500 Message-ID: From: Brian McCann To: bseklecki@noc.cfi.pgh.pa.us Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-questions Subject: Re: /etc/rc.d/netif & em interfaces X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Dec 2010 16:15:29 -0000 On Wed, Dec 1, 2010 at 10:51 AM, Brian McCann wrote: > > This isn't a Dell PoweEdge, but at least this is two platforms it's > happening on now. =A0Strangely, my VMWare virtual machines that use the > em driver do not have this problem. > > TSO is disabled. > > I just tried adding "up" to the $ifconfig_emX lines in rc.conf, and it > didn't help. > > What I discovered (and I'm still playing with a bit), is that it has > to do with checksum offloading. =A0If you run "ifconfig emX -rxcsum", > the interface comes back to life. =A0I just added "-rxcsum" to the > $ifconfig_emX lines in rc.conf, and I can run "/etc/rc.d/netif > restart" now, and the NIC continues to work fine. > > I tried emailing the folks @ Intel that are mentioned in the man page > for the em driver, but the mail bounced... > > --Brian > > -- Brian (and everyone else reading the thread), I just found this...the patch was submitted some time ago, but somehow didn't make it into 8.1. http://www.freebsd.org/cgi/query-pr.cgi?pr=3D141843 . I'm trying it now. I'll keep you posted. --Brian --=20 _-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_ Brian McCann "I don't have to take this abuse from you -- I've got hundreds of people waiting to abuse me." =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 -- Bill Murray, "Ghostbusters"