From owner-freebsd-wireless@FreeBSD.ORG Fri May 23 16:00:02 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 D3B2A136; Fri, 23 May 2014 16:00:02 +0000 (UTC) Received: from alogt.com (alogt.com [69.36.191.58]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A923B2B92; Fri, 23 May 2014 16:00:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=alogt.com; s=default; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To:From:Date; bh=sJK/F6hT/qmHUZFuVaqWoNvHLn91jNxCHYU4rQTEun8=; b=LmKYqPa4vX8tTnhTdGIk67aoKl1F256anoFMe034MWkBnNXfbamsqpYtcmhCfdCaqjN0TQBQ4JUrQZ5szAYrKYQoF9Bf7bbz0mIoXOUAAWJiAvwtZWoEMjAvocAq+7U0a5Pyxk6WMNpTgS8s/mLPn+oL1HzwaV5AlhgOhGPWXLw=; Received: from [114.122.94.132] (port=61227 helo=X220.alogt.com) by sl-508-2.slc.westdc.net with esmtpsa (SSLv3:DHE-RSA-AES128-SHA:128) (Exim 4.82) (envelope-from ) id 1Wnrt2-000dzO-6N; Fri, 23 May 2014 10:00:01 -0600 Date: Fri, 23 May 2014 23:59:53 +0800 From: Erich Dollansky To: Adrian Chadd Subject: Re: iwn0 hangs randomly when starting the machine Message-ID: <20140523235953.7f8dbb4d@X220.alogt.com> In-Reply-To: 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> X-Mailer: Claws Mail 3.9.3 (GTK+ 2.24.22; amd64-portbld-freebsd10.0) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - sl-508-2.slc.westdc.net X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - alogt.com X-Get-Message-Sender-Via: sl-508-2.slc.westdc.net: authenticated_id: erichsfreebsdlist@alogt.com X-Source: X-Source-Args: X-Source-Dir: 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 16:00:02 -0000 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