From owner-freebsd-wireless@freebsd.org Fri Jul 29 20:42:45 2016 Return-Path: Delivered-To: freebsd-wireless@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5650CBA8484 for ; Fri, 29 Jul 2016 20:42:45 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-it0-x22e.google.com (mail-it0-x22e.google.com [IPv6:2607:f8b0:4001:c0b::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 1A0BE185C for ; Fri, 29 Jul 2016 20:42:45 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-it0-x22e.google.com with SMTP id j124so120015185ith.1 for ; Fri, 29 Jul 2016 13:42:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=nJ0POGukk+u9XzbI92WjeNzl7otE02P7ava8YQqPWwM=; b=veHqQZE1n1w+cZuDvyTwHzSCeWDZrZOTfYcvqju9c5GnhK02QTzebcjVTSWpK9LFMP 2C0LYjLQeFDhuTCoEWJaFigxWyRDnFqRmD3BzFf7muHrYc/RSqAHKeyrXPQbhy8qO9Dj 6ZW+LW8P/yVa1lWqf6jgovUBgH5Vz+h398KWphLX1pizktNmEEHNwGzQ7gJRox9/6UB4 SF0TMHHRyv/0EFPWsbI/qsT3Roczvd8l3XwH8nbInm6A/XHzcyg15i7dvnqAIK1+YheZ pN6HbNSg7q0OMtftoopYFQPKkgMBDrtOOyJ/CPp/ghE0ownXAQBW7Mb2BB8Zg3/LBM0t cNGg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=nJ0POGukk+u9XzbI92WjeNzl7otE02P7ava8YQqPWwM=; b=TbZEY/gG9OZCnL5MQoCUkXAka57qdobK1e6wruHC0cQAuJ7EI3Oav9mfwC7qvj/XPw PYjEGvHnq9OCsXn2hKjcQ2VAp2/ybXzRZMB7/8NOet9ktQQ7S/Xp2EeCjo+yfAVYExyq s1mUTCoApba4rbyqYoaCoGl4Avmll0PLdgbYQj/0xnC8161epMxMIiugrdFNbA2fmNWr r6rirMsakcYu3qJW+th5oQJh8ANEszafCIXK9d3UGZHNgvQs9fNvzkE/iGp5/HwI+Bq+ wPRkkgfESuzVBTb+GjhY5H2n7gnbeUurjTzHskBBPdkoV6K4gnJHFb+cu9JNj0DUBGVy eV3Q== X-Gm-Message-State: AEkoouvQJD/KxH6vhC86mdqmBvDt/HncIhZTA9JJ1n4cAVd2d7wdBWXJLVRGuBTuSyJQHY+7Y2R6R9repG3ImQ== X-Received: by 10.36.242.68 with SMTP id j65mr3081124ith.25.1469824964491; Fri, 29 Jul 2016 13:42:44 -0700 (PDT) MIME-Version: 1.0 Received: by 10.36.141.129 with HTTP; Fri, 29 Jul 2016 13:42:43 -0700 (PDT) In-Reply-To: <762054A0-B628-4CD8-9F59-6B52CEB78481@ugh.net.au> References: <2DEF8DBE-1444-435C-B48C-FEAB71CA60E5@ugh.net.au> <20160716105843.GA5832@vpn.offrom.nl> <762054A0-B628-4CD8-9F59-6B52CEB78481@ugh.net.au> From: Adrian Chadd Date: Fri, 29 Jul 2016 13:42:43 -0700 Message-ID: Subject: Re: bf_next not NULL! To: Andrew Stevenson Cc: "freebsd-wireless@freebsd.org" , Willem@offermans.rompen.nl Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.22 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: Fri, 29 Jul 2016 20:42:45 -0000 Hi, What else is logged in dmesg when it happens? I've never had to restart hostapd or the interface, but it's quite possible you've found some situations with hung stations and that needs to be addressed. Thanks! -a On 29 July 2016 at 13:30, Andrew Stevenson wrote: > > Well after a week of running 11 (BETA1 r303134) I think sadly its worse t= han 10. No more bf_next errors. Still lots of "ath0: stuck beacon; resettin= g (bmiss count 4)=E2=80=9D. The main thing though is the the clients drop o= f the network and can=E2=80=99t reattach. > > Sometimes restarting hostapd is all that is needed, though occasionally I= have to =E2=80=9Crestart" the interface (/etc/rc.d/netif restart wlan0). > > Happens usually once or twice a day. Is there anything I can do to help d= ebug? I tried to attach to hostapd with gdb last time but gdb had an intern= al error and killed the process. > > Thanks, > > Andrew