From owner-freebsd-wireless@FreeBSD.ORG Wed Apr 9 01:36:46 2014 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 33204519; Wed, 9 Apr 2014 01:36:46 +0000 (UTC) Received: from alogt.com (alogt.com [69.36.191.58]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 0C47C153C; Wed, 9 Apr 2014 01:36:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=alogt.com; s=default; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To:From:Date; bh=VbkgkhBrBoVXx4UyJCJy0yulsxMjZeA7OCKvtox5WGM=; b=if9H+RNUZ6LWCfGORh74Aq2FNFK9xFWvoatwNbCZaqIZaROyrnLR4cINX+T275uLI8TeXLkKYffYve8PoQckSeNIgLJKg6oMGyFwEo1LS/GLRcgnBfXQagmraEJmMHSwmCTFnmU3d/yppm0lytAG/aPt/1Dqlo3dAo0ywGErmoQ=; Received: from [182.55.101.96] (port=31651 helo=X220.alogt.com) by sl-508-2.slc.westdc.net with esmtpsa (SSLv3:DHE-RSA-AES128-SHA:128) (Exim 4.82) (envelope-from ) id 1WXhRV-002fw6-5i; Tue, 08 Apr 2014 19:36:45 -0600 Date: Wed, 9 Apr 2014 09:36:42 +0800 From: Erich Dollansky To: sbruno@freebsd.org Subject: Re: iwn0 hangs randomly when starting the machine Message-ID: <20140409093642.19c2f5cb@X220.alogt.com> In-Reply-To: <1397006320.5173.2.camel@powernoodle.corp.yahoo.com> References: <20140331073054.5d7642d6@X220.alogt.com> <1397006320.5173.2.camel@powernoodle.corp.yahoo.com> X-Mailer: Claws Mail 3.9.3 (GTK+ 2.24.22; amd64-portbld-freebsd10.0) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - sl-508-2.slc.westdc.net X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - alogt.com X-Get-Message-Sender-Via: sl-508-2.slc.westdc.net: authenticated_id: erichsfreebsdlist@alogt.com X-Source: X-Source-Args: X-Source-Dir: Cc: sbruno@ignoranthack.me, "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: Wed, 09 Apr 2014 01:36:46 -0000 Hi, On Tue, 08 Apr 2014 18:18:40 -0700 Sean Bruno wrote: > On Mon, 2014-03-31 at 07:30 +0800, Erich Dollansky wrote: > > > > since I upgraded to r263767, I have the following problem: > > > > Wireless does not start all the while. When it does not start, it > > > > iwn0: mem 0xf2500000-0xf2501fff > > irq 17 at device 0.0 on pci3 > > Hrm ... so I have this one in my T520. > > I've been experimenting with routers and such ... and I found > something *interesting* with iwn(4). > > On my dlink dir825-C1 I have a channel option "HT20/40 Coexistence". the router I experience the problem is a D-Link too. But it is not mine. > If I disable this, I cannot associate in the 2.4G hz channel at all. > I don't know if this is clueful, but it seems to mirror my problems at > work. Associates for a moment and then drops. > > Since I don't know what this really means, I thought I'd chuck it over > here and see if its meaningful. On my own router, a ProLink if I remember right, I can only switch between 20 and 40 MHz channel with but I cannot have both. I wonder why the router needs the coexistence. Is it to communicate with other routers to find free channels? Erich