From owner-freebsd-current@FreeBSD.ORG  Mon Jan 20 17:47:21 2014
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: current@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 DB227290
 for <current@freebsd.org>; Mon, 20 Jan 2014 17:47:21 +0000 (UTC)
Received: from mail-ie0-f172.google.com (mail-ie0-f172.google.com
 [209.85.223.172])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id A4486186B
 for <current@freebsd.org>; Mon, 20 Jan 2014 17:47:21 +0000 (UTC)
Received: by mail-ie0-f172.google.com with SMTP id e14so8651167iej.3
 for <current@freebsd.org>; Mon, 20 Jan 2014 09:47:15 -0800 (PST)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20130820;
 h=x-gm-message-state:sender:subject:mime-version:content-type:from
 :in-reply-to:date:cc:content-transfer-encoding:message-id:references
 :to; bh=QUCxvN9R5rwdj5Fz1YM9UshyuWx40YXpsKLWUF0nb6Y=;
 b=CB5QxR1kM39SVUjszkSuIABkycUNHya2NnH21sZ1cCdywAMxsdqh9v48yLtfx3m/aa
 7F9qQ3MI4ID3Wtb6vXJ6TOvvSr6leIgQhSXwnIYvTH9av90khNRxpObIQEa3VIsP+wxq
 RoO6BAGYFL0XJITeJUGvl/dja4atzfcbPjccEZUsNFTneFNywoTaZjs9GIKL1yi+z8ou
 metKWQ8WvnVpfaBqmP/Bq4VgHXydw9Lv2ZzbB/pJTJD6jRUxbX/K722wQvsfhYYgYCVO
 TEmJ4thuBxsevUdehYEIxFXvGrMX1iRMtju1DGO3C4fkiaMm9U+QWqytWXuJNzX4Nldj
 6JQw==
X-Gm-Message-State: ALoCoQnTMRMKxn2oXP15UlGktBsczkaDlcRfciFItpPf9IzUyQcHYgn3RG3ihUDgp9aRMCe5cB45
X-Received: by 10.42.232.206 with SMTP id jv14mr2518690icb.52.1390240035517;
 Mon, 20 Jan 2014 09:47:15 -0800 (PST)
Received: from fusionlt2834a.int.fusionio.com ([209.117.142.2])
 by mx.google.com with ESMTPSA id fk5sm3978845igb.9.2014.01.20.09.47.14
 for <multiple recipients>
 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128);
 Mon, 20 Jan 2014 09:47:15 -0800 (PST)
Sender: Warner Losh <wlosh@bsdimp.com>
Subject: Re: panic: mtx_lock_spin: recursed on non-recursive mutex
 uart_hwmtx...
Mime-Version: 1.0 (Apple Message framework v1085)
Content-Type: text/plain; charset=us-ascii
From: Warner Losh <imp@bsdimp.com>
In-Reply-To: <1390238048.1230.75.camel@revolution.hippie.lan>
Date: Mon, 20 Jan 2014 10:47:12 -0700
Content-Transfer-Encoding: quoted-printable
Message-Id: <76191F53-3C1F-4175-AE9C-1D9FD1B1F0CA@bsdimp.com>
References: <20140120153615.GS1789@albert.catwhisker.org>
 <1390238048.1230.75.camel@revolution.hippie.lan>
To: Ian Lepore <ian@FreeBSD.org>
X-Mailer: Apple Mail (2.1085)
Cc: Warner Losh <imp@FreeBSD.org>, current@FreeBSD.org
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current/>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
 <mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 20 Jan 2014 17:47:21 -0000


> On Mon, 2014-01-20 at 07:36 -0800, David Wolfskill wrote:
>> panic: mtx_lock_spin: recursed on non-recursive mutex uart_hwmtx @ =
/usr/src/sys/dev/uart/uart_cpu.h:94
>=20
> Since you mention serial console, I think r260890 might be a =
candidate.

I have a fix for this. I committed the wrong version of uart_core.c. =
r260911 should fix this. So this is broken from r260890-r260910.

Warner=