From owner-freebsd-wireless@FreeBSD.ORG Sun Mar 25 19:36:28 2012 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1F879106566C for ; Sun, 25 Mar 2012 19:36:28 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-pb0-f54.google.com (mail-pb0-f54.google.com [209.85.160.54]) by mx1.freebsd.org (Postfix) with ESMTP id E32AC8FC12 for ; Sun, 25 Mar 2012 19:36:27 +0000 (UTC) Received: by pbcwz17 with SMTP id wz17so5797950pbc.13 for ; Sun, 25 Mar 2012 12:36:27 -0700 (PDT) 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 :cc:content-type:content-transfer-encoding; bh=HNus1jgsIvPtaO+4ucTJ2tHwzzE9/HU9gRkURzIITwk=; b=pIGM/rB/4p/s+q6zsSMHUOvoo6j0Pg9iOn7Vt5S9fRfxf6EQuz4j36HVe44nYf/NU2 gpw068cSzgSHQ0nsnzkhDz8lVcpeei3jhHxg5ji79AeFjng4HVHEZr9rwV+BEEejqNTo Rsn1drheLLq5q+DSkAd27OMAsevlDcMXhJ5TKOakn7PmYl43rDru1FdCK0pjvNu2j/1G gNBP74WDZ7eNW+lCOzM00sgwEkg0W2Me1g3ZA+Wk+ONZEQa4baW8i9qf8OHBnJwwDsE5 R+InjfjzIdugrF5iMhezC+QAsyoC103v6wYl7fwTw0QXMnynPaeVA9syqAgrefKzjnoK 3ePA== MIME-Version: 1.0 Received: by 10.68.195.38 with SMTP id ib6mr35448128pbc.28.1332704187704; Sun, 25 Mar 2012 12:36:27 -0700 (PDT) Received: by 10.143.33.5 with HTTP; Sun, 25 Mar 2012 12:36:27 -0700 (PDT) In-Reply-To: References: <4f6f67a7.4a0c440a.3941.ffffc865@mx.google.com> Date: Sun, 25 Mar 2012 12:36:27 -0700 Message-ID: From: Adrian Chadd To: Lytochkin Boris Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: "freebsd-wireless@freebsd.org" Subject: Re: [ath][CURRENT] Triangle-shaped network performance X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.5 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, 25 Mar 2012 19:36:28 -0000 On 25 March 2012 12:27, Lytochkin Boris wrote: > powerd is shut down, la is around zero. Are there any other power > =A0savings I forgot about? There was no problem on RELENG_8 and 802.11g > =A0with powerd enabled (though ath card was different). > =A0That server is an old laptop :) Well, you changed both the OS _and_ the NIC. How are we supposed to debug this? :-) > =A0Some more facts: ping triangles for two laptops connected to server > =A0are not synchronized and roll-over independently. I still don't know what's causing this. Try running athstats a little more and try to correlate changes in latency with changes in the output of athstats. Adrian