From owner-freebsd-current@FreeBSD.ORG Thu Aug 6 12:38:24 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CC1D4106566B; Thu, 6 Aug 2009 12:38:24 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 9A9408FC18; Thu, 6 Aug 2009 12:38:24 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id 4CC0746B1A; Thu, 6 Aug 2009 08:38:24 -0400 (EDT) Received: from jhbbsd.hudson-trading.com (unknown [209.249.190.8]) by bigwig.baldwin.cx (Postfix) with ESMTPA id 7ADD78A0AB; Thu, 6 Aug 2009 08:38:23 -0400 (EDT) From: John Baldwin To: freebsd-current@freebsd.org Date: Thu, 6 Aug 2009 08:26:15 -0400 User-Agent: KMail/1.9.7 References: <90a5caac0908050258w1ea85736sac0b66ae5998e7de@mail.gmail.com> <20090805111247.GA1292@hoeg.nl> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200908060826.16498.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Thu, 06 Aug 2009 08:38:23 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.5 required=4.2 tests=AWL,BAYES_00,RDNS_NONE autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: Attilio Rao , Ed Schouten , Robert Watson , FreeBSD Current , Lucius Windschuh Subject: Re: uaudio attach panic: Giant not locked 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: Thu, 06 Aug 2009 12:38:25 -0000 On Wednesday 05 August 2009 7:43:11 am Robert Watson wrote: > On Wed, 5 Aug 2009, Ed Schouten wrote: > > > * Lucius Windschuh wrote: > >> So I updated my machine to CURRENT r196062 and use a USB audio > >> converter. Attaching it to the machine leads to a kernel panic: > >> > >> > > > > I suspect this has something to do with the Newbus locking, which causes > > some pieces of code to run without Giant held, while they previously did. > > There's a patch in the re@ queue to re-add Giant around newbus attachment, per > John Baldwin's request. However, committing that patch is stalled while > issues with the svn->cvs export of the new RELENG_8 branch are resolved. I > expect to see the patch go into the tree RSN. Err, I think that was just around suspend/resume? -- John Baldwin