From owner-freebsd-current@freebsd.org Wed Nov 25 16:18:17 2015 Return-Path: Delivered-To: freebsd-current@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 8C5F5A379BE for ; Wed, 25 Nov 2015 16:18:17 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-ig0-x22b.google.com (mail-ig0-x22b.google.com [IPv6:2607:f8b0:4001:c05::22b]) (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 4CFE51EB9 for ; Wed, 25 Nov 2015 16:18:17 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by igbxm8 with SMTP id xm8so41143876igb.1 for ; Wed, 25 Nov 2015 08:18:16 -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=VUzd58dvQKkxzU+YHRYjwqJ+pPfGkQGLqNhivfubUgc=; b=Bgp1pPxOoKbRUrb1W9gdzvWlDcP8NTHN6zWaiUUqBxasP7x/Xv/zbhmf3wCYVR4/0c +naevs6/y5Erevtq+RVlVP/yAx/mK/9Pjz0CzGFk0KaAEU/d32VeN4E1tQDOu0voXQqm xXc5U7tKQTtI0K3hAzxHIfav9L0VRaXpFiwUUhNSiJif2if4ildr6ojDnaEj1XPj2+sP +OFhfFX/pIcpRNXCEEU9pR3cooWJNxFvhMPYaGUkDklH9dajSqgRoLOr/dq+bzmRzwT5 wLu44WZHKEhw2Qgv9Yw9M84CAusPLh77lMwI6e9Xsb/mxfbP2/0RXKQgJJ2e1dg7vfzw rnHA== MIME-Version: 1.0 X-Received: by 10.50.73.228 with SMTP id o4mr4954941igv.37.1448468296579; Wed, 25 Nov 2015 08:18:16 -0800 (PST) Received: by 10.36.217.196 with HTTP; Wed, 25 Nov 2015 08:18:16 -0800 (PST) In-Reply-To: <5655A60A.4090503@snakeoilproductions.net> References: <564AF74A.2090700@snakeoilproductions.net> <5651B5B6.1010701@snakeoilproductions.net> <5655A60A.4090503@snakeoilproductions.net> Date: Wed, 25 Nov 2015 08:18:16 -0800 Message-ID: Subject: Re: Panic while waiting on wlan0 From: Adrian Chadd To: Florian Limberger Cc: freebsd-current Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 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: Wed, 25 Nov 2015 16:18:17 -0000 ok, so I think you're hitting the iwn bug with scanning hanging. net80211 does scan-channel-at-a-time and instead we should be issuing a scan command once and then waiting for the results. There's not much we can do about it without finishing redoing how the scan stuff works completely in iwn. -adrian