From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751420AbWFUUWn (ORCPT ); Wed, 21 Jun 2006 16:22:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751445AbWFUUWn (ORCPT ); Wed, 21 Jun 2006 16:22:43 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:3512 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S1751420AbWFUUWm (ORCPT ); Wed, 21 Jun 2006 16:22:42 -0400 Subject: Re: [linux-usb-devel] USB/hal: USB open() broken? (USB CD burner underruns, USB HDD hard resets) From: Alan Cox To: Alan Stern Cc: andi@lisas.de, Bodo Eggert <7eggert@gmx.de>, Andrew Morton , linux-usb-devel@lists.sourceforge.net, gregkh@suse.de, linux-kernel@vger.kernel.org, hal@lists.freedesktop.org In-Reply-To: References: Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Wed, 21 Jun 2006 21:37:35 +0100 Message-Id: <1150922255.15275.114.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 (2.6.2-1.fc5.5) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ar Mer, 2006-06-21 am 15:02 -0400, ysgrifennodd Alan Stern: > It's not a USB issue; it's a matter of lack of coordination between the sg > and sr drivers. Each is unaware of the actions of the other, even when > they are speaking to the same device. Thats a relevant issue but sg is irrelevant for cd burning except with various ancient software setups. Probably sg/sr should share the O_EXCL locking but its not part of the cd burning stuff for modern setups. Alan