From owner-freebsd-current@FreeBSD.ORG Sun Nov 25 04:58:54 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 88C45FB2; Sun, 25 Nov 2012 04:58:54 +0000 (UTC) (envelope-from kob6558@gmail.com) Received: from mail-ea0-f182.google.com (mail-ea0-f182.google.com [209.85.215.182]) by mx1.freebsd.org (Postfix) with ESMTP id E579A8FC08; Sun, 25 Nov 2012 04:58:53 +0000 (UTC) Received: by mail-ea0-f182.google.com with SMTP id a14so3075558eaa.13 for ; Sat, 24 Nov 2012 20:58:52 -0800 (PST) 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; bh=8ssv+iuq/6NdrL3cX8SwmlVykoi9P7CkhjnhkjQ823M=; b=mX0E0CTr+Txqf4ZGEDkUMWY4TxglubVD6RNt77BBK/EEAalPQ6DwXilzsUxJKnVRYT EJUQBrKSkXnGK9p9dpYT7XTPKJRYW512/G6M0+IUjV73Pf7wiSNdbYlwBUzzFVhLTan3 KxLHXIYx/xA9XOulbTaRfqaLuAwa3kui5H2KnVJhBAvv5ZJED0HcWV1NXqSSArk6f5S1 rPscgzdFnn0/b+TQOa9KlCycGP5mYppXD0iQjT7BlpgSmYc/Ols9+oPuYhMgGbilBs+C zxwIIlJQR4z6JMA/xG4lTSPLlj4hTneRDKUyIJsBY9Gga5kSGQK23deMBkhYp20Q56Zw pfOw== MIME-Version: 1.0 Received: by 10.14.2.196 with SMTP id 44mr2349954eef.25.1353819532785; Sat, 24 Nov 2012 20:58:52 -0800 (PST) Received: by 10.223.71.199 with HTTP; Sat, 24 Nov 2012 20:58:52 -0800 (PST) In-Reply-To: <50B16846.5000805@freebsd.org> References: <50B16846.5000805@freebsd.org> Date: Sat, 24 Nov 2012 20:58:52 -0800 Message-ID: Subject: Re: wifi + wpa_supplicant in 9.1-RC3 From: Kevin Oberman To: Nathan Whitehorn Content-Type: text/plain; charset=UTF-8 Cc: freebsd-current@freebsd.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 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: Sun, 25 Nov 2012 04:58:54 -0000 On Sat, Nov 24, 2012 at 4:37 PM, Nathan Whitehorn wrote: > On 11/20/12 07:52, CeDeROM wrote: >> >> Hello :-) >> >> I have some problems with WiFi connectivity on my Dell Latitude E4310 >> laptop with Intel card. Very often connection is broken, although >> windows clients of the same network is working fine. I need to turn >> radio off and on, sometimes this does not help, I need to kill >> wpa_supplicant and start one by hand, so probably this is something >> related with wpa_supplicant. Anyone observed similar issues? >> >> Btw if WiFi N supported? >> >> Best regards :-) >> Tomek >> > > This has been happening to be with iwn(4) for years. It will print something > to the console about firmware watchdog timeouts and then the device needs to > be restarted. It seems to happen only in radio-busy environments and also > happens with clear-text networks. Try turning off background scanning. 'ifconfig wlan0 -bgscan'. Note that this will have negative impact on roaming, but has never really caused me any real problems. I have found problems with several Wifi cards in "busy" locations, such as conferences and public places with multiple APs. iwn support N, but my experience has not been good. With a 'G' connection to my AP, I get about 20 Mbps, but when I turn on 'N', it drops to about 8 Mbps. I would not assume that 'N' is going to work better with the current software. -- R. Kevin Oberman, Network Engineer E-mail: kob6558@gmail.com