From owner-freebsd-wireless@FreeBSD.ORG Fri May 23 15:36:33 2014 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 48DA58C4; Fri, 23 May 2014 15:36:33 +0000 (UTC) Received: from mail-qc0-x22b.google.com (mail-qc0-x22b.google.com [IPv6:2607:f8b0:400d:c01::22b]) (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 E3A002938; Fri, 23 May 2014 15:36:32 +0000 (UTC) Received: by mail-qc0-f171.google.com with SMTP id c9so217552qcz.16 for ; Fri, 23 May 2014 08:36:32 -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=mDQ3uLVREeSX3qkjPt+UHNIzVudJRjisU/nMww5QEjQ=; b=c4gHXjRw1pKXGe0eO11jOYRUzwVIeqVCgTjHy3Sv136ZhEkhi14PlQzn2qO/CunVtg 03MUkEJNJl13Ez1tZf6j065t5mM1pch6AFxE0/fA2rkBMcgjYn2LjeK6E2quyUpwBUxa HdsuZeeDgqO3pl53jvLm4U/ZUBe2cKoIYlnwKUiOBE2nxPN4EgXRtRk5jajwRmG15eDM xBqyA+o3fJXhxSjmFZ+wz5vG6iKhWOjShavLwXx56f2uRJg+PnULS/iES7DKovpQGVse b+UgnR/xks4k1qE0tErP2VmIMNlz5G3RnthQ1U2BN0DBByZeZWeZR+L+OtFBwhKyoIgw TVYQ== MIME-Version: 1.0 X-Received: by 10.224.129.66 with SMTP id n2mr7861374qas.55.1400859391982; Fri, 23 May 2014 08:36:31 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.224.191.201 with HTTP; Fri, 23 May 2014 08:36:31 -0700 (PDT) In-Reply-To: <20140523191329.62027b64@X220.alogt.com> References: <20140331073054.5d7642d6@X220.alogt.com> <1397006320.5173.2.camel@powernoodle.corp.yahoo.com> <20140409093642.19c2f5cb@X220.alogt.com> <20140409113254.3a3277a3@X220.alogt.com> <20140523191329.62027b64@X220.alogt.com> Date: Fri, 23 May 2014 08:36:31 -0700 X-Google-Sender-Auth: 2gx8aknI0FMjHb8cMEHLKbmxxI0 Message-ID: Subject: Re: iwn0 hangs randomly when starting the machine From: Adrian Chadd To: Erich Dollansky Content-Type: text/plain; charset=UTF-8 Cc: "freebsd-wireless@freebsd.org" , sean bruno X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.18 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, 23 May 2014 15:36:33 -0000 Ok, it's a null pointer dereference (based on the address you posted) and it's ipv6 related. That's .. odd. Can you provide a backtrace from the crash? -a On 23 May 2014 04:13, Erich Dollansky wrote: > Hi, > > On Tue, 8 Apr 2014 20:40:01 -0700 > Adrian Chadd wrote: > >> I'm not sure. I'd really like to see what the story is with >> coexistence somehow. >> > I did some more investigations and came to the result that iwn crashes > in 'in6_ifattach_linklocal'. > > When I disable ipv6, it all works fine. I did several reboots without a > problem. > > To make this a bit more complicated, if I use only em0, the machine > starts normal. When I use iwn0 alone or together with lagg0 and em0, > the machine crashes during the boot process. The crashes only happen > when IPV6 is enabled in rc.conf. > > Erich