From owner-freebsd-usb@FreeBSD.ORG Sun Jul 3 00:45:47 2005 Return-Path: X-Original-To: freebsd-usb@freebsd.org Delivered-To: freebsd-usb@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9415B16A5E0; Sun, 3 Jul 2005 00:45:47 +0000 (GMT) (envelope-from ps@mu.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 38491448A8; Sun, 3 Jul 2005 00:28:54 +0000 (GMT) (envelope-from ps@mu.org) Received: by elvis.mu.org (Postfix, from userid 1000) id 91C55653CD; Sat, 2 Jul 2005 17:28:53 -0700 (PDT) X-Original-To: ps@mu.org Delivered-To: ps@mu.org Received: from mx2.freebsd.org (mx2.freebsd.org [216.136.204.119]) by elvis.mu.org (Postfix) with ESMTP id CAE5C5D9A5 for ; Mon, 1 Nov 2004 06:42:16 -0800 (PST) Received: from hub.freebsd.org (hub.freebsd.org [216.136.204.18]) by mx2.freebsd.org (Postfix) with ESMTP id 48A9456808; Mon, 1 Nov 2004 14:41:22 +0000 (GMT) (envelope-from owner-freebsd-current@freebsd.org) Received: from hub.freebsd.org (localhost [127.0.0.1]) by hub.freebsd.org (Postfix) with ESMTP id 00D4B16A4D6; Mon, 1 Nov 2004 14:41:17 +0000 (GMT) Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9044716A4CF; Mon, 1 Nov 2004 14:41:10 +0000 (GMT) Received: from www.mmlab.cse.yzu.edu.tw (www.mmlab.cse.yzu.edu.tw [140.138.145.166]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3972343D55; Mon, 1 Nov 2004 14:41:10 +0000 (GMT) (envelope-from avatar@mmlab.cse.yzu.edu.tw) Received: by www.mmlab.cse.yzu.edu.tw (qmail, from userid 1000) id 3D9EF4EFCD6; Mon, 1 Nov 2004 22:41:09 +0800 (CST) Received: from localhost (localhost [127.0.0.1]) by www.mmlab.cse.yzu.edu.tw (qmail) with ESMTP id 117AC4EFCCF; Mon, 1 Nov 2004 22:41:09 +0800 (CST) From: Tai-hwa Liang To: Ian Dowse In-Reply-To: <200410311159.aa43199@salmon.maths.tcd.ie> Message-ID: <0411012233336.66755@www.mmlab.cse.yzu.edu.tw> References: <200410311159.aa43199@salmon.maths.tcd.ie> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Sender: owner-freebsd-current@freebsd.org Errors-To: owner-freebsd-current@freebsd.org X-Spam-Checker-Version: SpamAssassin 3.0.0 (2004-09-13) on elvis.mu.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00 autolearn=ham version=3.0.0 X-Spam-Level: Cc: FreeBSD Current Users , Dick Davies , freebsd-usb@freebsd.org Subject: Re: EHCI considered harmful? X-BeenThere: freebsd-usb@freebsd.org List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Sun, 03 Jul 2005 00:45:48 -0000 X-Original-Date: Mon, 1 Nov 2004 22:41:08 +0800 (CST) X-List-Received-Date: Sun, 03 Jul 2005 00:45:48 -0000 On Sun, 31 Oct 2004, Ian Dowse wrote: > In message <20041029123322.GA7181@bingo.tenfour>, Dick Davies writes: >> * Andre Guibert de Bruet [1026 11:26]: >>> This is my understanding of the current state of our USB ehci support: >>> ehci only works with certain chipsets. On the ones that it does work with, >>> you do not want to have a USB2 hub connected (With ehci in your config) as >>> it will not be supported. Removing ehci from your kernel lets you use a >>> USB2 hub in 1.1 mode. >> >> Just thought I'd mention that netbsd CURRENT got usb2 hub support in its echi >> driver last week. I don't know how easy a merge would be, but if anyone needs >> usb2 hub support, might be worth a look. > > Yes, the basic usb2 hub support that was added to FreeBSD in August > has recently looped around via OpenBSD to NetBSD and picked up some > enhancements along the way (OpenBSD added improved suspend/resume > support, and NetBSD have begun adding transaction translation > support). There's a patch against FreeBSD -CURRENT at > > http://people.freebsd.org/~iedowse/usb2_sync.diff > > that attempts to sync up our USB stack to include the latest USB2 > changes from NetBSD. If you've been having trouble with EHCI it would > be worth trying it. FWIW, I tried the patch on my Intel 865 box and still got sporadically lockup at boot time.... http://lists.freebsd.org/pipermail/freebsd-current/2004-October/041783.html Not sure whether this is correlated to EHCI since it's also boot time locking up with corrupted OHCI version: http://lists.freebsd.org/pipermail/freebsd-current/2004-October/039973.html _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"