From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-x22a.google.com (mail-pf0-x22a.google.com [IPv6:2607:f8b0:400e:c00::22a]) (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 9645B3B29F for ; Sun, 18 Sep 2016 23:56:40 -0400 (EDT) Received: by mail-pf0-x22a.google.com with SMTP id 21so35402797pfy.0 for ; Sun, 18 Sep 2016 20:56:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=Z6Y3JkkwB+a1yKCxRa3lZyQpNt1RlpzhiGAWoRDkp1w=; b=U/kdIWFlYUNLyWmffenn9hfly8FmjkxP0lq/7pVHn4S5zOI+hFUukGZWILU1AJzMF9 N+vJS+Sha4rSX+bJI5ubmYVetjatAWP5ycEEHLjvVSeFE/0kjiNHx7qrVepgLYVUHplf 2oR3vHQzX+xd0cAg1PAF4eXtwZ+XPX8cfGEpcKmx/EXaiBsC5I4J492hhvR1gKGGUWUN a/FoWBSIKkrnqEDyb91tIAI1QWuvlaqD6tcwjoEjJ25wuM2VYMQCL5GJweAt0S9y0J1f rF/DB7mI1aRpBLrqF90Bl0u4ZXnY1k4ssE3Mjen1mVgQqN8wUx3tVQTBVi6eU9wc3T4F UInQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=Z6Y3JkkwB+a1yKCxRa3lZyQpNt1RlpzhiGAWoRDkp1w=; b=h7Drdklde6/r3Ld3yEGwxRxxhVNfNhURM9bTKzK9exgeb931McIpodezBKsgndPLBl F4L5nQap1nfFD2tIxPRSGVOSVpZJjUG875GnLuCLb5GLZKsCsxt2E2bZw2u63k6y7pUK hsBlYhMZI+CctyVyMUjftXi9N/zGiKSrFjOs5oqjL145NuL3B3CqwRzz81k6x84ZR3Z+ rTUZdTGVpeEk2Bo/HwP3d/MJvtl6ZkSVLxJiCkyAV4nVQrYzbG9Z+EJGiWi5DsA4gnoA 0iPTyq5Q5mieCkQbxcLYKDXdkAsqVP/y6z3/FXhUJKQ0gM3+CUaGxisSCbHpyJMEWYuF yIxw== X-Gm-Message-State: AE9vXwPA1crFGslp3WoY52AtX6nFBQAyzta9WqQZswCaB77VzouDZflBAhOA0CpE985dmqrhxuioo1fGch9lhg== X-Received: by 10.98.217.199 with SMTP id b68mr14164891pfl.74.1474257399925; Sun, 18 Sep 2016 20:56:39 -0700 (PDT) MIME-Version: 1.0 Received: by 10.66.102.70 with HTTP; Sun, 18 Sep 2016 20:56:39 -0700 (PDT) In-Reply-To: References: <87shsyjupm.fsf@toke.dk> From: Loganaden Velvindron Date: Mon, 19 Sep 2016 07:56:39 +0400 Message-ID: To: Sebastian Moeller Cc: Dave Taht , make-wifi-fast@lists.bufferbloat.net Content-Type: text/plain; charset=UTF-8 Subject: Re: [Make-wifi-fast] crypto-fq bug postmortem is up X-BeenThere: make-wifi-fast@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Sep 2016 03:56:40 -0000 On Mon, Sep 19, 2016 at 12:50 AM, Sebastian Moeller wrote: > > Hi Loganaden, > > this sounds somewhat familiar to me (see > https://bugs.lede-project.org/index.php?do=details&task_id=176 ). At least > the symptoms are similar and so is the temporary remedy (calling wifi on the > CLI). Are you using LEDE firmwares as well? In my case it seems bad radio > conditions help expose the issue somewhat easier... My current idea is that > r1482 (commit 372d0fea29e60b02154fd7176ba32e7742f6640e, ' ath9k: add a > bunch of powersave handling fixes') somehow introduced a new or exposed an > old and hidden bug for the atheros radios, r1483 (commit > a894a535ff7e6c37bd853e951663130482bc0ff2, 'mac80211: add fixes for dealing > with unexpected BlockAck frames') might either have introduced an easier way > to trigger the offensive conditions, but that is conjecture... > I'm using this firmware: https://kau.toke.dk/lede/airtime-fairness-builds/ar71xx/generic/lede-r1526%2B2-ar71xx-generic-archer-c7-v2-squashfs-factory.bin