From owner-freebsd-questions@FreeBSD.ORG Mon May 28 07:51:26 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id BD69016A4D7 for ; Mon, 28 May 2007 07:51:26 +0000 (UTC) (envelope-from gunther.mayer@googlemail.com) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.173]) by mx1.freebsd.org (Postfix) with ESMTP id 30DCD13C480 for ; Mon, 28 May 2007 07:51:25 +0000 (UTC) (envelope-from gunther.mayer@googlemail.com) Received: by ug-out-1314.google.com with SMTP id u2so821462uge for ; Mon, 28 May 2007 00:51:16 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=googlemail.com; s=beta; h=domainkey-signature:received:received:message-id:date:user-agent:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding:from; b=gvenRICxBY4KSFIIv+HgMqN5l3D5RZBX0zAZORE+LSHgQnIgJ/yrk/Qq3C8Lt2rAFlzdISX1kCVX+uUj9ZDszLSxnzfNeuWmRnMO4ZLlIfcYtb1I10n6nQNk2VPE46UjD8jKSSC6gxEbPs1YNefHcfDkDbxXCnm7G64SmhmzAVE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=beta; h=received:message-id:date:user-agent:mime-version:to:subject:references:in-reply-to:content-type:content-transfer-encoding:from; b=jZDo6rZ4hSWPm9ZxCz8MeL2m73mWt/mgm808/cDdmR3PjpKKOjs6TNNFVvMozmko91CqzMxHoVbiq0hXITtFoc9UvL7s6X704Ko/7GhU49uYbqr5StNqTS/7iPQfb3TUjQTyuIB35NWnt87GFH0RHSwOHzn6BY2e9qWs7EElcaM= Received: by 10.67.29.12 with SMTP id g12mr5092740ugj.1180338676716; Mon, 28 May 2007 00:51:16 -0700 (PDT) Received: from ?172.25.0.3? ( [41.245.129.72]) by mx.google.com with ESMTP id w5sm26160299mue.2007.05.28.00.51.14; Mon, 28 May 2007 00:51:16 -0700 (PDT) Message-ID: <465A89CA.5060100@gmail.com> Date: Mon, 28 May 2007 09:50:34 +0200 User-Agent: Thunderbird 1.5.0.10 (X11/20070403) MIME-Version: 1.0 To: freebsd-questions@freebsd.org References: <465A1803.4000200@gmail.com> <572057376.20070528025700@ghirai.com> In-Reply-To: <572057376.20070528025700@ghirai.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit From: Gunther Mayer Subject: Re: ath0 going haywire X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 May 2007 07:51:26 -0000 Ghirai wrote: > Hello Gunther, > > Monday, May 28, 2007, 2:45:07 AM, you wrote: > > >> Hi there, >> > > >> My ath0 wireless interface is going crazy lately. In my logs the kernel >> keeps telling me >> > > >> May 28 01:26:28 greg ath0: link state changed to UP >> May 28 01:26:28 greg ath0: link state changed to UP >> May 28 01:26:28 greg ath0: link state changed to DOWN >> May 28 01:26:28 greg ath0: link state changed to DOWN >> > > >> while the wireless connection becomes completely useless. The first time >> this happened was 5 days ago when I got these messages every couple of >> minutes. Today it happened again but much worse than before: First 4 >> such messages every 3 seconds, then later 15/sec!!! This kept going for >> almost 2 hours while I tried to debug things over the wired interface, >> but I had no luck until miraculously it stopped its madness and came >> back to normal 15 min ago. No other hints in /var/log/messages... >> > > >> This this a sign of failing hardware? Or some other obscure bug in the >> ath driver? >> > > >> My signal is pretty solid at 25-30 S:N btw so it can't be that... >> > > > >> Gunther >> > > > Maybe someone is performing a deauth attack on your AP, > in hopes of getting your password? > Very unlikely since my wireless is actually unencrypted. Unless it's a DoS of course. How could I trace that? Tcpdump on the wireless interface on the ap shows nothing unusual. My laptop associates 100% with the same ap btw, also the card is completely useless now and I have to string a cable through my whole house... Gunther