From owner-freebsd-wireless@FreeBSD.ORG Sat Aug 17 23:03:43 2013 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 ESMTP id 05B649D9 for ; Sat, 17 Aug 2013 23:03:43 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-wi0-x233.google.com (mail-wi0-x233.google.com [IPv6:2a00:1450:400c:c05::233]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 88B7E2131 for ; Sat, 17 Aug 2013 23:03:42 +0000 (UTC) Received: by mail-wi0-f179.google.com with SMTP id hr7so1896257wib.6 for ; Sat, 17 Aug 2013 16:03:40 -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=w0sk4NzjK8jdg0wNpNmO5dhccbCqKx/wJt701r2qD0c=; b=bJt1k5aiPgEvH073bnfbkmOVIW0Y/0AT/iZxlztS6MK5I/jUCv8D+L/Ds4cChNCB2f cWlPQfppSvpcObMgJMJ/Q8uasNbKA2P5vmJ9LvJ6SekibK9aNAn/m2hxtBKyhGvKOvDq ci/pF0LOz6TIEXluafhKdVjDa0WCZ0cHHrJ54OMW21r3SF6iKnWqFWYIsoEDw++CKCyA apqft5VRCU/etMxolXsavloWpk8jVwLw2IGXBEyXxuUMLn/nf4HN6Bmnho5ZhhaZ6mk2 y05L/eSRqrwuo1dvMRg2xI0XOjyxngKnSRnZXODkJYDIT1H5eCZUA8vhSaIJKcLR85Xp sdlA== MIME-Version: 1.0 X-Received: by 10.194.123.227 with SMTP id md3mr3123056wjb.17.1376780620439; Sat, 17 Aug 2013 16:03:40 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.217.116.136 with HTTP; Sat, 17 Aug 2013 16:03:40 -0700 (PDT) In-Reply-To: References: <201308111650.r7BGo1Qt048071@freefall.freebsd.org> <52099CF4.7050101@meroh.net> Date: Sat, 17 Aug 2013 16:03:40 -0700 X-Google-Sender-Auth: E3nycUj8b-FBZz4NtZRbLCt0MHQ Message-ID: Subject: Re: kern/181100: [bwi] Turning up bwi0 crashes / deadlocks the kernel From: Adrian Chadd To: Julio Merino Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: "freebsd-wireless@freebsd.org" X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.14 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: Sat, 17 Aug 2013 23:03:43 -0000 yes, print out ring_idx -adrian On 17 August 2013 15:56, Julio Merino wrote: > On Wed, Aug 14, 2013 at 1:13 PM, Adrian Chadd wrote: > > Hi, > > > > Can you please work with Justin to figure out the IP of that panic inside > > _bwi_txeof(), and then map it back to a line number? > > > > I've no idea where the panic is actually triggering. > > There is only one KASSERT within _bwi_txeof() mentioning "ring_idx", > and that's the line triggering the panic. > > (And yes, I've verified this... not with a core dump, because I cannot > get one, but by putting printfs() around the various KASSERTS that > yield this message.) > > Does that help? > > -- > Julio Merino / @jmmv >