From owner-freebsd-net@FreeBSD.ORG  Wed Oct  1 23:48:08 2014
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115])
 (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id C172B355;
 Wed,  1 Oct 2014 23:48:08 +0000 (UTC)
Received: from onelab2.iet.unipi.it (onelab2.iet.unipi.it [131.114.59.238])
 by mx1.freebsd.org (Postfix) with ESMTP id 7DF6BFBB;
 Wed,  1 Oct 2014 23:48:08 +0000 (UTC)
Received: by onelab2.iet.unipi.it (Postfix, from userid 275)
 id 20E1D7300B; Thu,  2 Oct 2014 01:53:12 +0200 (CEST)
Date: Thu, 2 Oct 2014 01:53:12 +0200
From: Luigi Rizzo <rizzo@iet.unipi.it>
To: Adrian Chadd <adrian@freebsd.org>
Subject: Re: individual queue blocking entire rx unit on ixgbe (Re: How do
 I balance bandwidth over several virtual NICs?)
Message-ID: <20141001235312.GA14593@onelab2.iet.unipi.it>
References: <CA+hQ2+hYY7AWE7jJWAg8uYER2LRSPz8TcVPuamsRBLj_WQyakw@mail.gmail.com>
 <CAJ-Vmo=xiZtKkQEV30Y_c7a6uWD6PbuqzmSSDG12J=w8Z45biA@mail.gmail.com>
 <20141001203223.GA12122@onelab2.iet.unipi.it>
 <CAJ-Vmom+DsDDa-1GgpUBps8=hMM_1c5auH5kKRiCxAs=w_Casg@mail.gmail.com>
 <20141001234926.GC13187@onelab2.iet.unipi.it>
 <CAJ-Vmo=6+zPhmmn=uEAX4V0MLqay8iN8yF2zeXYH5zFP6vHJwg@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <CAJ-Vmo=6+zPhmmn=uEAX4V0MLqay8iN8yF2zeXYH5zFP6vHJwg@mail.gmail.com>
User-Agent: Mutt/1.5.20 (2009-06-14)
Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>,
 Elof Ofel <elofu17@hotmail.com>,
 "Alexander V. Chernikov" <melifaro@freebsd.org>,
 Jack Vogel <jfvogel@gmail.com>
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.18-1
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net/>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
 <mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 01 Oct 2014 23:48:08 -0000

On Wed, Oct 01, 2014 at 04:47:32PM -0700, Adrian Chadd wrote:
> On 1 October 2014 16:49, Luigi Rizzo <rizzo@iet.unipi.it> wrote:
> > On Wed, Oct 01, 2014 at 04:42:58PM -0700, Adrian Chadd wrote:
> >> Yeah, just grab the diffs that I committed to ixgbe and try it out.
> >>
> >> The flowdirector initialisation is buggy. :)
> >
> > ok but i don't think it is related, see my previous email.
> 
> I saw - but the verisign people also saw queue stalls as well.
> 
> So is setting DROP_EN unconditionally fixing it for you?

yes so it seems.