From owner-freebsd-current@FreeBSD.ORG Tue Sep 6 20:42:49 2011 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C40CD106564A; Tue, 6 Sep 2011 20:42:49 +0000 (UTC) (envelope-from joel@vnode.se) Received: from mail.vnode.se (mail.vnode.se [62.119.52.80]) by mx1.freebsd.org (Postfix) with ESMTP id 758988FC0C; Tue, 6 Sep 2011 20:42:49 +0000 (UTC) Received: from mail.vnode.se (localhost [127.0.0.1]) by mail.vnode.se (Postfix) with ESMTP id 52F6DE3F07A; Tue, 6 Sep 2011 22:42:47 +0200 (CEST) X-Virus-Scanned: amavisd-new at vnode.se Received: from mail.vnode.se ([127.0.0.1]) by mail.vnode.se (mail.vnode.se [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FqGEW8A-Jmla; Tue, 6 Sep 2011 22:42:44 +0200 (CEST) Received: from goofy03.vnode.local (wg.benders.se [212.247.52.4]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.vnode.se (Postfix) with ESMTPSA id 1B67AE3F079; Tue, 6 Sep 2011 22:42:44 +0200 (CEST) Date: Tue, 6 Sep 2011 22:42:42 +0200 From: Joel Dahl To: Bernhard Schmidt Message-ID: <20110906204242.GP52426@goofy03.vnode.local> References: <09C13664-4FC0-41F3-8849-CE875B3A6CC0@vnode.se> <20110905062453.GM52426@goofy03.vnode.local> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Cc: Adrian Chadd , freebsd-wireless@freebsd.org, current@freebsd.org Subject: Re: BETA2 panic X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Tue, 06 Sep 2011 20:42:49 -0000 On 05-09-2011 9:02, Bernhard Schmidt wrote: > On Mon, Sep 5, 2011 at 08:24, Joel Dahl wrote: > > On 05-09-2011  5:09, Adrian Chadd wrote: > >> On 5 September 2011 01:04, Joel Dahl wrote: > >> > Hi, > >> > > >> > I upgraded my laptop from BETA1 to rev. 225367 today, and now my laptop panics just a few minutes after booting. This is 100% reproducible, it panics every time. > >> > > >> > I've got a pic with the backtrace here: http://www.vnode.se/sc/panic_20110904.jpg > >> > >> Hi, > >> > >> There weren't many commits between BETA1 and -HEAD in the wireless > >> area; would you please do a binary search of the kernel revisions (no > >> need to do full buildworlds) to find which commit broke it? > > > > Yes, I'll do that tonight. > > While doing so, can you enable at least some debugging? > wlandebug +state > or even better > wlandebug 0xffffffff > > It smells like that something is poking the SW bmiss handler while not > in RUN state and therefore you're hitting a KASSERT(). Question is if > the bmiss timer isn't stopped/drained somewhere or if there is too > excessive call. Exactly what in the wlandebug output are you looking for? I've posted a pic at http://www.vnode.se/sc/panic_20110906.jpg showing what it looks like right before the panic. This is with "wlandebug 0xffffffff". I've also installed kernels all the way back to revision 222980, but they all panic, which I think is somewhat odd. -- Joel