From owner-freebsd-hackers@FreeBSD.ORG Wed May 7 03:47:41 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 135CD37B404; Wed, 7 May 2003 03:47:41 -0700 (PDT) Received: from srv1.cosmo-project.de (srv1.cosmo-project.de [213.83.6.106]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3A67A43F93; Wed, 7 May 2003 03:47:39 -0700 (PDT) (envelope-from ticso@cicely9.cicely.de) Received: from cicely5.cicely.de (cicely5.cicely.de [IPv6:3ffe:400:8d0:301:200:92ff:fe9b:20e7]) by srv1.cosmo-project.de (8.12.9/8.12.9) with ESMTP id h47AlNrN001439 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=OK); Wed, 7 May 2003 12:47:28 +0200 (CEST) (envelope-from ticso@cicely9.cicely.de) Received: from cicely9.cicely.de (cicely9.cicely.de [IPv6:3ffe:400:8d0:301:210:5aff:fe30:1c1a]) by cicely5.cicely.de (8.12.9/8.12.9) with ESMTP id h47AlM0j078088 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 7 May 2003 12:47:22 +0200 (CEST) (envelope-from ticso@cicely9.cicely.de) Received: from cicely9.cicely.de (localhost [127.0.0.1]) by cicely9.cicely.de (8.12.9/8.12.8) with ESMTP id h47AlLtA087000; Wed, 7 May 2003 12:47:21 +0200 (CEST) (envelope-from ticso@cicely9.cicely.de) Received: (from ticso@localhost) by cicely9.cicely.de (8.12.9/8.12.9/Submit) id h47AlG7Y086999; Wed, 7 May 2003 12:47:17 +0200 (CEST) (envelope-from ticso) Date: Wed, 7 May 2003 12:47:16 +0200 From: Bernd Walter To: "Bruce R. Montague" Message-ID: <20030507104716.GL84364@cicely9.cicely.de> References: <200305061736.h46HaBke000587@cruzio.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200305061736.h46HaBke000587@cruzio.com> X-Operating-System: FreeBSD cicely9.cicely.de 5.0-CURRENT alpha User-Agent: Mutt/1.5.3i cc: usb-bsd@yahoogroups.com cc: jordbaer@mac.com cc: rizzo@icir.org cc: freebsd-hackers@freebsd.org cc: joe@tao.org.uk cc: n_hibma@freebsd.org Subject: Re: Patch to fix ohci usb isoc close/int race X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: ticso@cicely.de List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 May 2003 10:47:41 -0000 On Tue, May 06, 2003 at 10:36:11AM -0700, Bruce R. Montague wrote: > Hi, I found a race condition between the /dev/usb > ohci.c isochronous case interrupt handler and its > close routine (really an abort). Both an incremental > patch to my previous ohci isoc patch and a complete > patch with respect to the FreeBSD 5.0-current sources > of 10-april are included below. Sounds interesting. Can you please open a PR with it, so it doesn't get lost. -- B.Walter BWCT http://www.bwct.de ticso@bwct.de info@bwct.de