From owner-freebsd-wireless@FreeBSD.ORG Sun Dec 4 09:15:29 2011 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 E4640106564A for ; Sun, 4 Dec 2011 09:15:29 +0000 (UTC) (envelope-from gperez@entel.upc.edu) Received: from violet.upc.es (violet.upc.es [147.83.2.51]) by mx1.freebsd.org (Postfix) with ESMTP id 5AB0F8FC19 for ; Sun, 4 Dec 2011 09:15:28 +0000 (UTC) Received: from ackerman2.upc.es (ackerman2.upc.es [147.83.2.244]) by violet.upc.es (8.14.1/8.13.1) with ESMTP id pB49FQvv017106 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL); Sun, 4 Dec 2011 10:15:27 +0100 Received: from portgus.lan (141.Red-81-39-182.dynamicIP.rima-tde.net [81.39.182.141]) (authenticated bits=0) by ackerman2.upc.es (8.14.4/8.14.4) with ESMTP id pB49FOPV025017 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Sun, 4 Dec 2011 10:15:26 +0100 Message-ID: <4EDB3A2B.4050503@entel.upc.edu> Date: Sun, 04 Dec 2011 10:15:23 +0100 From: =?ISO-8859-1?Q?Gustau_P=E9rez?= User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:8.0) Gecko/20111111 Thunderbird/8.0 MIME-Version: 1.0 To: Adrian Chadd References: <3d4d2d249836fafc6acd885693c02198@webmail.entel.upc.edu> <4ECFCDAB.1080407@entel.upc.edu> <4ED3B4D1.3020701@entel.upc.edu> <4EDA4BBA.6010203@entel.upc.edu> <4EDA609F.2080401@entel.upc.edu> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.70 on 147.83.2.244 X-Mail-Scanned: Criba 2.0 + Clamd X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (violet.upc.es [147.83.2.51]); Sun, 04 Dec 2011 10:15:27 +0100 (CET) Cc: freebsd-wireless@freebsd.org Subject: Re: Big delays between an AR5416 AP and its clients 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, 04 Dec 2011 09:15:30 -0000 On 04/12/2011 01:41, Adrian Chadd wrote: > If you can trigger this with very very minimal packets, what we could > do is just enable TX descriptor logging and see what's going on there. > > Do you have a VGA console or a serial console? Yes there are, both vga and serial console available. How do I proceed? ATH_DEBUG and frineds are in the kernel, how do I enable tx desc logging? With sysctl dev.ath.0.hal.debug=1? > > adrian About the diff, I'll try. But I fear some parts of the are interrelated so I guess I won't as simple as getting each part of the diff and apply it. Gus