From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from arrakis.dune.hu (arrakis.dune.hu [78.24.191.176]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by huchra.bufferbloat.net (Postfix) with ESMTPS id E2DDF21F546; Sat, 28 Nov 2015 13:19:36 -0800 (PST) Received: from arrakis.dune.hu (localhost [127.0.0.1]) by arrakis.dune.hu (Postfix) with ESMTP id 1AF3028BA6F; Sat, 28 Nov 2015 22:19:25 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on arrakis.dune.hu X-Spam-Level: * X-Spam-Status: No, score=1.9 required=5.0 tests=BAYES_00, FSL_HELO_NON_FQDN_1, RDNS_DYNAMIC autolearn=no version=3.3.2 Received: from ecaz (host-178-21-49-127.comunique.hu [178.21.49.127]) by arrakis.dune.hu (Postfix) with ESMTPSA; Sat, 28 Nov 2015 22:19:24 +0100 (CET) Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes To: "cerowrt-devel@lists.bufferbloat.net" , cake@lists.bufferbloat.net, "Dave Taht" References: Date: Sat, 28 Nov 2015 22:19:24 +0100 MIME-Version: 1.0 Content-Transfer-Encoding: Quoted-Printable From: "Imre Kaloz" Organization: OpenWrt Message-ID: In-Reply-To: User-Agent: Opera Mail/12.16 (Linux) X-Mailman-Approved-At: Mon, 30 Nov 2015 14:31:59 -0800 Subject: Re: [Cake] linksys ac1200 network bug X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Nov 2015 21:19:59 -0000 Did you see https://lkml.org/lkml/2015/11/27/325 ? I'll try to find time= = to integrate a newer kernel and that patchset as well as = https://lkml.org/lkml/2015/11/22/9 , = http://lkml.iu.edu/hypermail/linux/kernel/1511.0/04354.html and = http://lists.openwall.net/netdev/2015/09/25/151 Imre On Sat, 28 Nov 2015 15:41:17 +0100, Dave Taht wrot= e: > I went for a test drive of openwrt DESIGNATED DRIVER (Bleeding Edge, > r47665) today. > > A) I bricked the archer c7 v2. No idea why. > > B) I got a sorta working linksys 1200ac build. > > The bad news: Any attempt to run 2 or more copies of netperf's > netserver on the 1200ac router with the default qdiscs (mq + > fq_codel), at line (gbit) rate, result in it locking up *for any other= > traffic, including ping* until the first netperf is more or less > complete. I fear the underlying driver is frightfully overbuffered, > or has another problem. > > http://snapon.cs.kau.se/~d/archer-c7/onenetperflockout.png > > (needs BQL, too) > > The still bad news: cake works in both directions for a while longer, > then goes boom similarly. > > The somewhat good news: > > cake "shaped" to 900mbit on inbound and outbound to the router - does > not lock up the router. It merely runs out of cpu, but still does > manage quite respectable throughput in both directions while doing > so. Note, I did not say "latency". > > http://snapon.cs.kau.se/~d/archer-c7/encouraged.png > > As usual there is some flent data in that dir if you want to draw your= > own plots. > > I was not in a position to actually test traffic through the router > (because I had the archer setup to do that) > > I wouldn't draw any conclusions from this. Well, a safe conclusion, > is: don't install this build. > > On Sat, Nov 28, 2015 at 11:41 AM, Dave Taht wrot= e: >> Trying to do my first openwrt build in a while. >> >> make[5]: Leaving directory >> '/home/cero4/src/archer-c7/build_dir/target-mips_34kc_musl-1.1.11/dan= te-1.2.2' >> Makefile:349: recipe for target 'all' failed >> >> I checked: the package "dante" is not installed. Nor can I figure out= >> what package is arbitrarily requiring it. >> >> I truly am in hell. > > Simple patch for this, It involves invoking a deity. > > >> Dave T=C3=A4ht >> Let's go make home routers and wifi faster! With better software! >> https://www.gofundme.com/savewifi