From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-x243.google.com (mail-pg0-x243.google.com [IPv6:2607:f8b0:400e:c05::243]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 938573B260 for ; Sun, 4 Dec 2016 12:13:21 -0500 (EST) Received: by mail-pg0-x243.google.com with SMTP id x23so13776678pgx.3 for ; Sun, 04 Dec 2016 09:13:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:subject:from:to:cc:date:in-reply-to:references :mime-version:content-transfer-encoding; bh=I2NqDghiQcGHTTzG8Y8lPjH+te9PWAUazhRH5ZjzeZE=; b=ZZjnAAvEr2NAY4+uATVxCo+iQz20LDdlfPszvg6ZKSWMkpt7oZTZdWRxFpIgiNkjmV sIjCZgBnLemdJDQmNbei0Tfxh6kzT566/kRlZcweqSoW1hNW9jZ8fhdRW1lsvDopY3XX ZqlnxO3BRtvIXU1WCjA4AHwgAsDrU3osIXFGIVcF5e3ISJwVgdNvwj9AUzUFOXO/Roih c8RG2YUu3BZNvnAwsj3mDrwB+Y6xBOdHXRVh+N3Bg3/+1O1GuR4+UtBs+4OGnKxeDspa Tdmgu+04B/0KTNYp9lb76hpbv3Kvcn8ugZZbv/UwJxibp3f3piOyxH6/USmIAzVB+QxN QPPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:subject:from:to:cc:date:in-reply-to :references:mime-version:content-transfer-encoding; bh=I2NqDghiQcGHTTzG8Y8lPjH+te9PWAUazhRH5ZjzeZE=; b=jkz2Ovpkr5ZFjvJ56iG7DUl4uPt2p8QMJiL9zuqCY/dFPk/ydGLSNV+UdiIrbNLmLk bmxZnH/WgoJLx3OeOgbBVFIDN0N7qtYwiBwPwE/uXKyad8/P4wOj+6V2zmh4hPPBh73h Tsf0mUIm6TeiLPKXYwdlEv8lywVhkJBdwumAJsluaZ82iEokTyA1KDfQctD4M0OLIM20 IyXsQZ/tDGt6CBr9t+6WQmkguG7ENQpQ/YG6423/cypOdPy+GDErv/CiM6A/IeupEosi 2wRzqvVM1uzm+mm2jqkz9nYKJh+NVUfG2KJ/xkLRnM67KXGZu5qo+yMo9jnvElD/Yw3c iZbA== X-Gm-Message-State: AKaTC00rSDj48rCJhKT/PMAkYRusmxBbt7qWEsPUeoUikrpCAe+w3vEpjz02Mu+SLqtikg== X-Received: by 10.99.65.65 with SMTP id o62mr95784661pga.73.1480871600809; Sun, 04 Dec 2016 09:13:20 -0800 (PST) Received: from [172.19.250.57] ([172.19.250.57]) by smtp.googlemail.com with ESMTPSA id k25sm21328988pfg.84.2016.12.04.09.13.19 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 04 Dec 2016 09:13:20 -0800 (PST) Message-ID: <1480871599.18162.465.camel@edumazet-glaptop3.roam.corp.google.com> From: Eric Dumazet To: "Steinar H. Gunderson" Cc: Jonathan Morton , Neal Cardwell , "aqm@ietf.org" , bloat Date: Sun, 04 Dec 2016 09:13:19 -0800 In-Reply-To: <20161204084404.GA22199@sesse.net> References: <1480796415.18162.408.camel@edumazet-glaptop3.roam.corp.google.com> <9A821B94-143B-446F-8852-2EB0158DD57C@gmail.com> <1480799260.18162.418.camel@edumazet-glaptop3.roam.corp.google.com> <20161203213428.GB38041@sesse.net> <1480801837.18162.419.camel@edumazet-glaptop3.roam.corp.google.com> <20161203221338.GC38041@sesse.net> <1480805737.18162.425.camel@edumazet-glaptop3.roam.corp.google.com> <20161203230335.GA40411@sesse.net> <1480806940.18162.434.camel@edumazet-glaptop3.roam.corp.google.com> <1480807468.18162.436.camel@edumazet-glaptop3.roam.corp.google.com> <20161204084404.GA22199@sesse.net> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [Bloat] TCP BBR paper is now generally available X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 Dec 2016 17:13:21 -0000 On Sun, 2016-12-04 at 09:44 +0100, Steinar H. Gunderson wrote: > On Sat, Dec 03, 2016 at 03:24:28PM -0800, Eric Dumazet wrote: > > Wait a minute. If you use fq on the receiver, then maybe your old debian > > kernel did not backport : > > > > https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=9878196578286c5ed494778ada01da094377a686 > > I checked, and it does not seem that the patch is in the backport, indeed. > I suppose I can try just turning off fq on the receiver? You could turn off pacing , and keep fq. tc qdisc change dev eth0 root fq nopacing