From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-x22f.google.com (mail-lf0-x22f.google.com [IPv6:2a00:1450:4010:c07::22f]) (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 4FEA23B29E for ; Tue, 19 Jun 2018 07:32:52 -0400 (EDT) Received: by mail-lf0-x22f.google.com with SMTP id a13-v6so9490757lfk.12 for ; Tue, 19 Jun 2018 04:32:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=5XYDiulvflv9TMYfC42tfUFcpTYnTuaOn2upVVSqTtA=; b=pcTKiqnaE0sXtBkfHHPwMPdM/6rSfYaqpTj2NwdBRfJVTHpjf+CUpCX3jmSMbgFCqF DQctVXQ+RRAcL4g3ADls6NqYB/NpwcwXNknoKlPCkT4SOA3/Y/JALkZDkNq0V2c6mSRN iem/uy5Ri/J8YJHTBCNBFFvZL6cYsRsPUcsdMKJ0+4I0tfCYgPZECQtguD7RgBJt+MTY Rj1C3YUk2zyBw20nEy+dpJiYUz12WN+dM+aOFzEvb/9xqb2xahdTX+2VVNs+peswr00v xlL6PFzSYFBZxAmSeVDsIxcM4P4wVs/AIeZcKFQPYEpjusAfCxAWko7Md9mDVKaI8Q38 DObQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=5XYDiulvflv9TMYfC42tfUFcpTYnTuaOn2upVVSqTtA=; b=jTM0C5ugUWi6wP2mQFTink2RuDfDzeMRLmQ85nwTBGgk9U9yZdKHc1V25nMbDlKwVu k7j4TeitBUPDpOfA0XtQ5MSbKtTOQz/l+XNUYBxSGOt09mow+HCW/VHlWSKZG/4IUgQI 9q6H7oyNJcFAvCT0SjBboLCJ6RlosC7LaN+Xvn3zNTlYFYUsqCarvXdO1zUrYrJAyrtG 0arcfJdZ1iPfcCMPJD71g7463GKJBsX8shomDXZ/Ou37C7EKpG6oqwEUOSZ1Pt8RHUP4 Jp2PFuWbrG+FmH+cGF/AvMkQDAzkUXdsM4wcJgXn8mtA9mslpSG6xLI/X04x6iI4peJz ki8w== X-Gm-Message-State: APt69E2TvkENZlEQVleeAnvOAVp//cC2aVZbWeTPA4ymNCpaei1rnOiq GpXiKvHVn+cU4eEf/fVi1N8= X-Google-Smtp-Source: ADUXVKIJrwE30839HkeUObYwlbdUyy0lB4jZcyYWbA8wNH1e7yyUxOqx02+26iKPnsSgWiXoYWV+8g== X-Received: by 2002:a2e:2206:: with SMTP id i6-v6mr10715032lji.119.1529407971251; Tue, 19 Jun 2018 04:32:51 -0700 (PDT) Received: from [192.168.239.103] (83-245-233-202-nat-p.elisa-mobile.fi. [83.245.233.202]) by smtp.gmail.com with ESMTPSA id p71-v6sm3233371lfg.42.2018.06.19.04.32.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 19 Jun 2018 04:32:50 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 11.4 \(3445.8.2\)) From: Jonathan Morton In-Reply-To: <87in6ft81g.fsf@toke.dk> Date: Tue, 19 Jun 2018 14:32:48 +0300 Cc: Pete Heist , Cake List Content-Transfer-Encoding: quoted-printable Message-Id: <0FF888EC-4FF0-4AAE-B2B8-79A10B0B5A9E@gmail.com> References: <87in6ft81g.fsf@toke.dk> To: =?utf-8?Q?Toke_H=C3=B8iland-J=C3=B8rgensen?= X-Mailer: Apple Mail (2.3445.8.2) Subject: Re: [Cake] the Cake stalemate X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jun 2018 11:32:52 -0000 > On 19 Jun, 2018, at 12:55 pm, Toke H=C3=B8iland-J=C3=B8rgensen = wrote: >=20 > Not sure there is a stalemate, actually. I just ran out of time to do > further revisions; planning to take that up again. Don't see any = reason > why we shouldn't be able to succeed in getting Cake upstream in its > current form(ish) in just a few more revisions (or, who knows, maybe a > dozen more; better not jinx it ;)). My impression was that we were practically there - but we ran up against = a hang bug which *may* have had a root cause elsewhere than Cake itself. = I strongly suspect we're tickling a HW driver bug, but we need someone = with a different flavour of 100Gbps NIC to try (and hopefully fail) to = reproduce it. There's not much hope of my getting that calibre of hardware myself. - Jonathan Morton