From owner-freebsd-net@FreeBSD.ORG Sat Dec 5 04:02:08 2009 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 548DF1065672 for ; Sat, 5 Dec 2009 04:02:08 +0000 (UTC) (envelope-from kaduk@MIT.EDU) Received: from biscayne-one-station.mit.edu (BISCAYNE-ONE-STATION.MIT.EDU [18.7.7.80]) by mx1.freebsd.org (Postfix) with ESMTP id 11FCB8FC0C for ; Sat, 5 Dec 2009 04:02:07 +0000 (UTC) Received: from outgoing.mit.edu (OUTGOING-AUTH.MIT.EDU [18.7.22.103]) by biscayne-one-station.mit.edu (8.13.6/8.9.2) with ESMTP id nB53orxk018529; Fri, 4 Dec 2009 22:50:53 -0500 (EST) Received: from multics.mit.edu (MULTICS.MIT.EDU [18.187.1.73]) (authenticated bits=56) (User authenticated as kaduk@ATHENA.MIT.EDU) by outgoing.mit.edu (8.13.6/8.12.4) with ESMTP id nB53pRUT004865 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 4 Dec 2009 22:51:28 -0500 (EST) Received: (from kaduk@localhost) by multics.mit.edu (8.12.9.20060308) id nB53pIRA013743; Fri, 4 Dec 2009 22:51:18 -0500 (EST) Date: Fri, 4 Dec 2009 22:51:18 -0500 (EST) From: Benjamin Kaduk To: Brandon Gooch In-Reply-To: <179b97fb0912041946j13760914ycc2c5145d8df9ee@mail.gmail.com> Message-ID: References: <200912050250.nB52o4P0035345@freefall.freebsd.org> <179b97fb0912041946j13760914ycc2c5145d8df9ee@mail.gmail.com> User-Agent: Alpine 1.10 (GSO 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Scanned-By: MIMEDefang 2.42 X-Spam-Flag: NO X-Spam-Score: 0.00 Cc: freebsd-net@freebsd.org Subject: Re: kern/140036: [iwn] [lor] lock order reversal with iwn0_com_lock and iwn0 softc lock X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Dec 2009 04:02:08 -0000 On Sat, 5 Dec 2009, Brandon Gooch wrote: > > Ben, have you tried Bernhard Schmidt's driver? He's recently updated > it with a reordering of locking code: > > http://svn.techwires.net/viewvc/viewvc.cgi/svnrepos/projects/freebsd/sys/dev/iwn/if_iwn.c?view=log > > I've been using the code from his repository for a while, and it's > much more stable than what's in the tree currently. Sorry if the PR history was not clear -- this panic is with Bernhard's driver in place. (And a `svn diff` in my working copy doesn't show any changes.) -Ben Kaduk