From owner-freebsd-wireless@FreeBSD.ORG Sun Dec 22 02:52:40 2013 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 0F3FF3B3; Sun, 22 Dec 2013 02:52:40 +0000 (UTC) Received: from mail-qe0-x22d.google.com (mail-qe0-x22d.google.com [IPv6:2607:f8b0:400d:c02::22d]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id ACD6E1657; Sun, 22 Dec 2013 02:52:39 +0000 (UTC) Received: by mail-qe0-f45.google.com with SMTP id 6so3903334qea.4 for ; Sat, 21 Dec 2013 18:52:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=QRSlqYhtuKEnbA9/y0xtTZueLo2GBl467jBjowzrmFU=; b=FIIQzWTaAbrQ/W+2/bA4k1vXjmnV0YqX+73zJAb7RZtheVtJf2122i99YAA4h1oNGc jWY6G6tC9z/182rfCB36VhdcGM0/zD3mqBl5vHLrbqUG2veKK19TEb92TtEAKMSCfcVE tPwth4B4M3IGtYnrrZystT1l1uEmlp+WAvTtUFjgCLpYUlEJURuY+xpgPCgXOQfUEPH6 GMy2pCLdVISAJWwEErH4VYgcERyCc2j7Y/08v3v1GIq7qswaBIQDGyISB0zKRw+FygtT Zx2cu2kmqN/fHdjLghiaE6Cep5T8y6SQyZNSt053lI5uInsxUTQHg8x/OEEchmnUVCTc YVPQ== MIME-Version: 1.0 X-Received: by 10.224.13.141 with SMTP id c13mr21672891qaa.76.1387680758375; Sat, 21 Dec 2013 18:52:38 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.224.53.200 with HTTP; Sat, 21 Dec 2013 18:52:38 -0800 (PST) Received: by 10.224.53.200 with HTTP; Sat, 21 Dec 2013 18:52:38 -0800 (PST) In-Reply-To: <20131222024905.GK1730@glenbarber.us> References: <20131221023558.GJ3148@glenbarber.us> <20131221023924.GK3148@glenbarber.us> <20131222023331.GJ1730@glenbarber.us> <20131222024905.GK1730@glenbarber.us> Date: Sat, 21 Dec 2013 18:52:38 -0800 X-Google-Sender-Auth: 134tyb4i3sVY9zr_iRfSmgMmg5E Message-ID: Subject: Re: "disappearing" ath(4) From: Adrian Chadd To: Glen Barber Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.17 Cc: freebsd-wireless@freebsd.org X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Dec 2013 02:52:40 -0000 Okay. Lemme know if it does. Also I hope we aren't enabling aspm yet. Argh. Adrian On Dec 21, 2013 8:49 PM, "Glen Barber" wrote: > I doubt lagg(4) is the issue. I've been doing that evil for years. > > I'll kill the *_cs_lowest, and see if that changes anything over the > next few days. > > I'm 200% certain lagg(4) is not a factor, but if it continues, I'll > disable that for S&G. > > Glen > > On Sat, Dec 21, 2013 at 06:44:16PM -0800, Adrian Chadd wrote: > > Yeah. Try killing those. Leave it at c1 and no lagg. C2 and later may be > > triggering some weird stuff. > > > > Adrian > > On Dec 21, 2013 8:33 PM, "Glen Barber" wrote: > > > > > On Sat, Dec 21, 2013 at 08:17:32AM -0800, Adrian Chadd wrote: > > > > The second possibility is that it's asleep - and no, NIC reads aren't > > > > showing 0xdeadc0de, 0xdeadbeef, etc. So no, it's not that. > > > > > > > > > > I didn't think of this when you first mentioned it, but I recently > added > > > this to rc.conf: > > > > > > performance_cx_lowest="C2" > > > economy_cx_lowest="C2" > > > > > > Another thing I failed to mention, is the ath(4) is part of lagg(4), > > > accompanied by alc(4). > > > > > > I'm half wondering if the *_cx_lowest is triggering something. The > > > other half wonders if lagg(4) triggers something funky. > > > > > > > He's also recently opened up his laptop and fiddled around. > > > > > > > > > > "Trust me, I'm an engineer!" > > > > > > > he's going off to do some more testing. > > > > > > > > > > "What can possibly go wrong?" > > > > > > Glen > > > > > > >