From owner-freebsd-net@FreeBSD.ORG Sat Oct 11 22:03:14 2014 Return-Path: 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 5EE2D8A9; Sat, 11 Oct 2014 22:03:14 +0000 (UTC) Received: from mail-ig0-x234.google.com (mail-ig0-x234.google.com [IPv6:2607:f8b0:4001:c05::234]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1E44CDA4; Sat, 11 Oct 2014 22:03:14 +0000 (UTC) Received: by mail-ig0-f180.google.com with SMTP id uq10so6710041igb.1 for ; Sat, 11 Oct 2014 15:03:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=EXNRKj0VpgMh9vmepOGziF7IMB/zawxvsAJOfyjVzyk=; b=VTRJfLoOIrqsV/EuCYJE2OZLlSL4xre9Gy9GRGCJ/WsPH+4MvUvGa6KQlQgo6CYgUe p7D0/PPb8j4iUFfCpkjFCFG8rQg4qoAAkkORQlZ6BFKxKVFMe8Ie3WGOzxir9zMp/URd mQG8GibI+i6Wl1Bi+ilYt80wWO1OjE6OJNumGv79r0kWb2KFzTj0HRSy40UFGGUZpdzK 3LGbin/PucqAtRu4yG5prmePc1GwSYdmtcSHzzGfZQCdttsTVJ/IeIAszfPDiu0T1A1t d+WqM62/2IKmeaI4az3JuzD/G2wyOiJO+99Yhoep0D+frfqOtFXjovpS0tPMlTElCYu2 /d1Q== MIME-Version: 1.0 X-Received: by 10.50.72.3 with SMTP id z3mr18652436igu.36.1413064993387; Sat, 11 Oct 2014 15:03:13 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.50.78.4 with HTTP; Sat, 11 Oct 2014 15:03:13 -0700 (PDT) In-Reply-To: References: <20141001203223.GA12122@onelab2.iet.unipi.it> <20141001234926.GC13187@onelab2.iet.unipi.it> <20141001235312.GA14593@onelab2.iet.unipi.it> Date: Sat, 11 Oct 2014 15:03:13 -0700 X-Google-Sender-Auth: 0WOcaHfBmB3vNcVuRO8bnNtNOt4 Message-ID: Subject: Re: individual queue blocking entire rx unit on ixgbe (Re: How do I balance bandwidth over several virtual NICs?) From: Adrian Chadd To: Luigi Rizzo Content-Type: text/plain; charset=UTF-8 Cc: "freebsd-net@freebsd.org" , Elof Ofel , "Alexander V. Chernikov" , Jack Vogel X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Oct 2014 22:03:14 -0000 Ping, Luigi - would you mind sending through a diff ? I'd like to get this into -HEAD on both igb and ixgbe. Thanks! -a On 1 October 2014 16:53, Adrian Chadd wrote: > On 1 October 2014 16:53, Luigi Rizzo wrote: >> On Wed, Oct 01, 2014 at 04:47:32PM -0700, Adrian Chadd wrote: >>> On 1 October 2014 16:49, Luigi Rizzo 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. > > Interesting. That's a pretty small window to get it wrong in. > > Would you file a PR about it? We'll try to get this fixed soon. > > (Same for igb..) > > Thanks! > > > > -a