From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-x236.google.com (mail-oi0-x236.google.com [IPv6:2607:f8b0:4003:c06::236]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id DDF5821F5E1; Sat, 28 Nov 2015 06:45:16 -0800 (PST) Received: by oige206 with SMTP id e206so74012278oig.2; Sat, 28 Nov 2015 06:45:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=y+9bfwkSn3AyOtsXEFhxro4LjmaFaH3Sl8eigntXLCs=; b=X9ZJ2GhnMNN9T0FKJsWGgMXyjVDoxiR0yBPQVnKu4JLdhhKM+htsHAsMJMBs00LzZo Mt1NnB1dAVVibNvk2hPbs8GLAgBMuc9G87+iskiUg25rh/TSQvBf0ZGXb1SD4TAedKLE DSx+F3BTHkDK+pZ/iwNywXqCpYxT08XnsjSpElwpdPeyoy+obfjskKOb/MlYZWIyXxiC QsL1q33YZjKn0CqbJe4R43OvRw2SOBlKR4bnhA5mVoapZrFJ2nyv7y56Q0p9PDf0+LsL myeZdvp+KvTrgQ390uHo+OFVdOZxK9LL2m7jLjnCtEIjj3i/1f8+CllD3h/3ZavoruIk ZI0A== MIME-Version: 1.0 X-Received: by 10.202.64.198 with SMTP id n189mr36109259oia.139.1448721914890; Sat, 28 Nov 2015 06:45:14 -0800 (PST) Received: by 10.202.187.3 with HTTP; Sat, 28 Nov 2015 06:45:14 -0800 (PST) In-Reply-To: References: Date: Sat, 28 Nov 2015 15:45:14 +0100 Message-ID: From: Dave Taht To: "cerowrt-devel@lists.bufferbloat.net" , cake@lists.bufferbloat.net, Mikael Abrahamsson Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Cerowrt-devel] linksys ac1200 network bug X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Nov 2015 14:45:39 -0000 root@1200ac:~# uname -a Linux 1200ac 3.18.23 #1 SMP Sat Nov 28 11:07:32 CET 2015 armv7l n is my kernel. I see I can optionally build linux 4.0 for the linksys 1200ac at this point. Anyone doing that? Dave T=C3=A4ht Let's go make home routers and wifi faster! With better software! https://www.gofundme.com/savewifi On Sat, Nov 28, 2015 at 3:41 PM, Dave Taht wrote: > 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 wrote: >> 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/dante-= 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