From owner-freebsd-wireless@FreeBSD.ORG Mon Sep 8 02:36:29 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 1BF5BCF9; Mon, 8 Sep 2014 02:36:29 +0000 (UTC) Received: from mail-qg0-x235.google.com (mail-qg0-x235.google.com [IPv6:2607:f8b0:400d:c04::235]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C17C61C6D; Mon, 8 Sep 2014 02:36:28 +0000 (UTC) Received: by mail-qg0-f53.google.com with SMTP id z107so14659439qgd.12 for ; Sun, 07 Sep 2014 19:36:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=eZTc6aLBqDVx0RQY9GMPwATxEZKN/1bI8MhT1NXCic0=; b=x7Y12y0IOtsPKyv22vYzuUQxLZ+NUzikcTEDDThBLov7WLCChkF8+jCDrdAbupsE+q Mr87jeV/Mky63vzl63u+fXulLIjoWnqiPllG4AZ2io1KApDja65Ti3CyYkXpXjE4RGfV 8qr7VMPzzUucLbfhebfKcGO1p6kufculFV9rW3Hjksa/v2P42SE8J8l7Gv/e4UL2fm7w G2puiJZxYht9khJi/TufUyavmv+CdXwnZo0wh1lc+h7MaohDxxN9IN7jg7yzj3WyiYAn IAYUWNKwmSuKY92utY+p1Z/rDL6vFIr9oYRY75euEsumX2aV8g4K2rWhk+dnr+1rUae9 uXCQ== MIME-Version: 1.0 X-Received: by 10.140.22.19 with SMTP id 19mr22710566qgm.18.1410143787575; Sun, 07 Sep 2014 19:36:27 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.224.39.139 with HTTP; Sun, 7 Sep 2014 19:36:27 -0700 (PDT) In-Reply-To: References: <540C751F.6050202@freebsd.org> Date: Sun, 7 Sep 2014 19:36:27 -0700 X-Google-Sender-Auth: ZneARv_stxhZMbKv73KbUwS7ITM Message-ID: Subject: Re: Issues with urtwn From: Adrian Chadd To: Thiago Farina Content-Type: text/plain; charset=UTF-8 Cc: "freebsd-wireless@freebsd.org" , Nathan Whitehorn X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.18-1 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: Mon, 08 Sep 2014 02:36:29 -0000 Hi, On 7 September 2014 19:16, Thiago Farina wrote: > On Sun, Sep 7, 2014 at 12:09 PM, Nathan Whitehorn > wrote: >> I've been having some issues with connection stability in urtwn for several >> months. The usual symptom is that after some period of time the connection >> will apparently stall. If I'm running ping continuously, for instance, it >> will at some point stop receiving replies. Then, sometime later, immediately >> if I use the "reassociate" command in wpa_cli, the connection will fix >> itself and all the packets I didn't get earlier get delivered at once: >> hundreds of ping replies, for instance, some with time stamps minutes in the >> past. No data is actually lost, though. >> >> I think the issue is that the driver does not actually support powersave >> mode (maybe it should?) but reports to the AP that it does: >> >>> ifconfig wlan0 list sta (this is on the AP) >> ADDR AID CHAN RATE RSSI IDLE TXSEQ RXSEQ CAPS FLAG >> 80:1f:02:cc:47:a9 1 11 11M 8.5 0 5526 55712 EPS AE RSN >> >> I don't know enough about wireless to fix this, but the AP waiting for a >> powersave poll and never getting one seems consistent with the problem. > > I think what you are relating here is what I observed recently too. > Sorry, I'm new to FreeBSD. Just installed it recently, and I noticed > that after I left it idle (I went to do something for some hours) for > some time it lost the connection. Only rebooting makes it connect > again to my network. Which NIC are you seeing this on? I don't have this problem with Intel/Atheros chips on freebsd-head. -a