From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-x235.google.com (mail-qt0-x235.google.com [IPv6:2607:f8b0:400d:c0d::235]) (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 546473BA8E for ; Sun, 26 Nov 2017 12:53:52 -0500 (EST) Received: by mail-qt0-x235.google.com with SMTP id a19so36523232qtb.3 for ; Sun, 26 Nov 2017 09:53:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=NQ2OY3WCOt25FP/cOyba/M40wycN8/5/BQhQoPkqVMs=; b=Z2IbMBls4Dzeu5AJ6e0YHWIatVFld6iB4MjBYEdgDzCz7CQq/4bt4W5roFKPNIW16J QDh/78lKBCiOR4zn2E6eeLnoR+IGaWlUCD3/K0R/U6yIRsW28VijzCGDajlW/liCm3Au /Q+q6+gZSp/BNKGX7RXy/XEen7QRpyo3Aq2wwPK23BX+7F4PWesANPcwO4rZYB9naKJN K6Mbkypkgh9dzye0a2w0Osufy/MukaNKJMjlBYXVl+yUYi7SoVEn6CDWgIQzsMyk0JH5 vKSlN/89kv4nagG0dYHhp4Y543YIR85pP6x835RhebC2KGl0hbmIDs4fcM/GMOUNdOlA SYgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=NQ2OY3WCOt25FP/cOyba/M40wycN8/5/BQhQoPkqVMs=; b=pAgRuBeDmQZf2E0dJ5z5kB7NWxROgWSLWKu0fmAzB4pr53b4zc7TVOOEY+nCi9PHnT /MI7N4itY18tDr6ZP21DmX6ahFj8pjZz6Y6txvWVYCMKJhroa5erHx9XFCWWdqyvw0Fg 1SiNrF2qUUkj2Vyl9zHlKRZ9ZMmN5biIbsb0iRIA1GgZEh5Bw2hexF4yq+TI2bzyMyGl XlG8m9tnnEDrk1d7eZChvqKPR7cruvTjNsVPze4lFnrhf8aQLToybg0PoVNuIsxkiMc4 lj4vRUhTp8tZXlWjXQ8dORKB9OnKfYgydm7dKkMarLYC7i7IuOGwTiiQgT8A9jmXNw3T BmjA== X-Gm-Message-State: AJaThX5wx113ASIBnwoHUinSff0Icj8qvZXTzxIaFms5zQsT298W2SsW mxGzDWZ4osEn1jMGGGur0Y9D2sUu0i+LcpKTU7g= X-Google-Smtp-Source: AGs4zMbNuddAdPfzdREzTA3hd5IO7Kw6l6T/nP4e3abKOVaTNOxJzg8JkOn80MMbNP8QVPlzKm0Nk2xJcw9Ng61HepI= X-Received: by 10.237.62.240 with SMTP id o45mr54121262qtf.141.1511718831848; Sun, 26 Nov 2017 09:53:51 -0800 (PST) MIME-Version: 1.0 Received: by 10.12.193.93 with HTTP; Sun, 26 Nov 2017 09:53:51 -0800 (PST) In-Reply-To: References: <20171124092021.DC01D40605C@ip-64-139-1-69.sjc.megapath.net> <4a37c330-cb03-23eb-f705-743c6cb30c15@gmail.com> From: Dave Taht Date: Sun, 26 Nov 2017 09:53:51 -0800 Message-ID: To: Jonathan Morton Cc: Jan Ceuleers , bloat Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Bloat] Steam In Home Streaming on ath9k wifi 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, 26 Nov 2017 17:53:52 -0000 On Sun, Nov 26, 2017 at 2:05 AM, Jonathan Morton wr= ote: > Another explanation for latency spikes on the order of 100ms is that a > periodic (and wholly unnecessary) scan for other APs is run, which requir= es > the wifi radio to be temporarily tuned away from the currently associated > AP's frequency. I'd written that up here: http://blog.cerowrt.org/post/disabling_channel_scans/ Which was improved in some release of network manager https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/373680 > > - Jonathan Morton > > > _______________________________________________ > Bloat mailing list > Bloat@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/bloat > --=20 Dave T=C3=A4ht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619