From owner-freebsd-current@FreeBSD.ORG Fri Nov 16 20:09:06 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EBE5C16A417 for ; Fri, 16 Nov 2007 20:09:06 +0000 (UTC) (envelope-from SRS0=b8e54524c6667dcaaf3271188e6bd2346cef300f=521=es.net=oberman@es.net) Received: from postal1.es.net (postal1.es.net [IPv6:2001:400:14:3::6]) by mx1.freebsd.org (Postfix) with ESMTP id 6445A13C442 for ; Fri, 16 Nov 2007 20:09:06 +0000 (UTC) (envelope-from SRS0=b8e54524c6667dcaaf3271188e6bd2346cef300f=521=es.net=oberman@es.net) Received: from ptavv.es.net (ptavv.es.net [198.128.4.29]) by postal1.es.net (Postal Node 1) with ESMTP (SSL) id VFZ22604; Fri, 16 Nov 2007 13:09:04 -0700 Received: from ptavv.es.net (ptavv.es.net [127.0.0.1]) by ptavv.es.net (Tachyon Server) with ESMTP id A1EE84500F; Fri, 16 Nov 2007 12:09:03 -0800 (PST) To: Eric Schuele In-Reply-To: Your message of "Fri, 16 Nov 2007 13:57:44 CST." <473DF638.4030609@computer.org> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1195243743_81424P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Fri, 16 Nov 2007 12:09:03 -0800 From: "Kevin Oberman" Message-Id: <20071116200903.A1EE84500F@ptavv.es.net> X-Sender-IP: 198.128.4.29 X-Sender-Domain: es.net X-Recipent: ;; X-Sender: X-To_Name: Eric Schuele X-To_Domain: computer.org X-To: Eric Schuele X-To_Email: e.schuele@computer.org X-To_Alias: e.schuele Cc: freebsd-current@freebsd.org Subject: Re: RELENG_7 and atheros .... X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Nov 2007 20:09:07 -0000 --==_Exmh_1195243743_81424P Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > Date: Fri, 16 Nov 2007 13:57:44 -0600 > From: Eric Schuele > > >>>> 2) I get disconnected every night from my wireless router at home.> > >>>> 99% of the time it happens after I've gone to bed. Once or twice...> > >>>> while I was sitting in front of it. It just disassociates? > >>> Try 'ifconfig ath0 -bgscan'. Something causes my card to lose > >>> association periodically when the background scan is in progress. > >> Are you saying try the above *after* I've been disconnected? Or is it> > >> an attempt to reproduce the disconnect? > > > > No. Try it as soon as your system comes up. > > Oh, I see. Would it be sufficient to place it in my rc.conf: > ifconfig_ath0="WPA DHCP -bgscan" Yes. This should do the same thing. I didn't do it so I would notice if the behavior changed. > > It disables the regular > > background scan for APs that, by default, happens every 5 minutes. Note> > > that I don't see my association go down on every scan, but turning this> > > off seems to prevent the disassociation from ever happening. I have > > confirmation from at leat two others with the same Atheros chip-set tha> t > > this fixed their recurrent disconnects. (It certainly fixed mine.) > > > > Note that this change will have a negative effect if you are roaming or> > > your environment changes in some way. > > I do no roaming. So turning off background scanning should have no effect on you. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634 Key fingerprint:059B 2DDF 031C 9BA3 14A4 EADA 927D EBB3 987B 3751 --==_Exmh_1195243743_81424P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) Comment: Exmh version 2.5 06/03/2002 iD8DBQFHPfjfkn3rs5h7N1ERAgutAJ4sSAmcW7oOyRTGdllNV/y1ZbZfKACdEykm edBRBY92hn+sWtgN8Q7IlvQ= =OhsN -----END PGP SIGNATURE----- --==_Exmh_1195243743_81424P--