From owner-freebsd-wireless@FreeBSD.ORG Fri May 23 16:01:38 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 12CC7192; Fri, 23 May 2014 16:01:38 +0000 (UTC) Received: from mail-qc0-x229.google.com (mail-qc0-x229.google.com [IPv6:2607:f8b0:400d:c01::229]) (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 B20082C1F; Fri, 23 May 2014 16:01:37 +0000 (UTC) Received: by mail-qc0-f169.google.com with SMTP id e16so8514781qcx.0 for ; Fri, 23 May 2014 09:01:36 -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=6CWGgtxhD7EUTaJEY1i9EW6nhonah2UyRprDUJQnxjg=; b=fU9l3fpDIrV5IG2pQSOVtryGandC7BRj7264G8+DecspR1A6cawbJX4u1wDbg3y4f7 3TrACt/6wMbzNGukwF6bdfkpW+sD/J1c2RjC6Uwq95F3KepgHUCf2iJ7Mo7OfHeqagWr GXph97TnqZy6FYhOSNHSEbUyLnWoWZlGULo2RONt8xR14+JrsJ6hNqlCm9ZtaAT9Visg 3PkvYxbZyN3nEllWiGKrkzCnsuMZJGjP/54MJI/Ni+cv3ELarOY+hIQmZKUUtjGpjarI 8qEu1wCA0q1kYt+xG9eimAAjS/SF+OdqsaCkkpD48RPd1cFRmWcPlUs2rSSwgon9xmOc g2HA== MIME-Version: 1.0 X-Received: by 10.224.51.2 with SMTP id b2mr8053932qag.49.1400860896925; Fri, 23 May 2014 09:01:36 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.224.191.201 with HTTP; Fri, 23 May 2014 09:01:36 -0700 (PDT) In-Reply-To: <20140523235953.7f8dbb4d@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> <20140523235953.7f8dbb4d@X220.alogt.com> Date: Fri, 23 May 2014 09:01:36 -0700 X-Google-Sender-Auth: lIr5gIzDVeMDf4DFzZ66-FQIGRc 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 16:01:38 -0000 a photo will be fine. :-) -a On 23 May 2014 08:59, Erich Dollansky wrote: > Hi, > > On Fri, 23 May 2014 08:36:31 -0700 > Adrian Chadd wrote: > >> 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? >> > I can try tomorrow. Am I right that I can only take photos of the > screen at this point of the boot process? > > Erich >> >> >> -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 >