From owner-freebsd-questions@FreeBSD.ORG Wed Jun 2 01:23:12 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 A25DF1065672 for ; Wed, 2 Jun 2010 01:23:12 +0000 (UTC) (envelope-from carl@chave.us) Received: from mail-gw0-f54.google.com (mail-gw0-f54.google.com [74.125.83.54]) by mx1.freebsd.org (Postfix) with ESMTP id 562BA8FC16 for ; Wed, 2 Jun 2010 01:23:12 +0000 (UTC) Received: by gwj23 with SMTP id 23so4779983gwj.13 for ; Tue, 01 Jun 2010 18:23:11 -0700 (PDT) MIME-Version: 1.0 Received: by 10.101.180.21 with SMTP id h21mr7977574anp.61.1275441791612; Tue, 01 Jun 2010 18:23:11 -0700 (PDT) Received: by 10.100.151.16 with HTTP; Tue, 1 Jun 2010 18:23:11 -0700 (PDT) In-Reply-To: References: Date: Tue, 1 Jun 2010 21:23:11 -0400 Message-ID: From: Carl Chave To: mark rowlands Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-questions@freebsd.org Subject: Re: Network sort of stops working with the em (intel) driver under load. 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, 02 Jun 2010 01:23:12 -0000 On Mon, May 31, 2010 at 3:30 PM, mark rowlands wr= ote: > Newly built and cvsupped system,with GENERIC kernel, =A0when copying > large amounts of data over a gigabit link via scp =A0the network =A0will > hang after a couple of gig. =A0I can then no longer login via ssh. If I > leave it be, after about 12-24 hours I can then login again. (A reboot > of course fixes the issue immediately...) . I've had this behavior also with Intel Pro 1000 cards using the em driver. I picked up a lot of 4 of them off ebay and never figured out if it was a driver problem or faulty hardware. I went back to FreeNAS on that same box (7.2-RELEASE-p4) and it seems ok except my Netgear gigabit switch also died so I'm currently plugged into a 100Mbps switch.