From owner-cvs-all Mon Jul 3 10:38:57 2000 Delivered-To: cvs-all@freebsd.org Received: from finch-post-12.mail.demon.net (finch-post-12.mail.demon.net [194.217.242.41]) by hub.freebsd.org (Postfix) with ESMTP id 5C2A137C17A; Mon, 3 Jul 2000 10:38:52 -0700 (PDT) (envelope-from n_hibma@qubesoft.com) Received: from calcaphon.demon.co.uk ([193.237.19.5] helo=bluebottle.qubesoft.com) by finch-post-12.mail.demon.net with esmtp (Exim 2.12 #1) id 139ABF-000Agx-0C; Mon, 3 Jul 2000 17:38:50 +0000 Received: from henny.webweaving.org (henny.qubesoft.com [192.168.1.5]) by bluebottle.qubesoft.com (8.9.3/8.9.1) with ESMTP id SAA53255; Mon, 3 Jul 2000 18:38:35 +0100 (BST) (envelope-from n_hibma@qubesoft.com) Received: from localhost (localhost [127.0.0.1]) by henny.webweaving.org (8.9.3/8.9.3) with ESMTP id SAA21524; Mon, 3 Jul 2000 18:10:54 +0100 (BST) (envelope-from n_hibma@qubesoft.com) Date: Mon, 3 Jul 2000 18:10:54 +0100 (BST) From: Nick Hibma X-Sender: n_hibma@localhost Reply-To: Nick Hibma To: Poul-Henning Kamp Cc: Warner Losh , Garrett Wollman , cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/sys bus.h bus_private.h src/sys/kern subr_bus.c In-Reply-To: <7213.962643120@critter.freebsd.dk> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > it probably is the correct behaviour for pccard and cardbus to go away > and stay away until replugged. > > It is probably the wrong behaviour for practically any other bus based > technology (cPCI etc). > > I have *no* idea which category USB lands in. Devices loose all state when disconnected and should be treated as uninitialised when coming back. Even host to host cables tend to treat loss of connection as fatal, allthough at least one of them remains powered if one of the connections is present, for reasons unknown ti me. Nick -- n_hibma@webweaving.org n_hibma@freebsd.org USB project http://www.etla.net/~n_hibma/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message