From owner-svn-src-all@FreeBSD.ORG Fri Oct 16 16:28:05 2009 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 16F76106568D; Fri, 16 Oct 2009 16:28:05 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id DC8F68FC24; Fri, 16 Oct 2009 16:28:04 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id 75CF846B1A; Fri, 16 Oct 2009 12:28:04 -0400 (EDT) Received: from jhbbsd.hudson-trading.com (unknown [209.249.190.8]) by bigwig.baldwin.cx (Postfix) with ESMTPA id B7AD28A01B; Fri, 16 Oct 2009 12:28:03 -0400 (EDT) From: John Baldwin To: Andriy Gapon Date: Fri, 16 Oct 2009 07:37:27 -0400 User-Agent: KMail/1.9.7 References: <200910152007.n9FK78cG083259@svn.freebsd.org> <4AD80002.6000704@freebsd.org> In-Reply-To: <4AD80002.6000704@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200910160737.28222.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Fri, 16 Oct 2009 12:28:03 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.5 required=4.2 tests=AWL,BAYES_00, DATE_IN_PAST_03_06,RDNS_NONE autolearn=no version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r198151 - in head/sys/dev: pci usb/controller X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Oct 2009 16:28:05 -0000 On Friday 16 October 2009 1:09:22 am Andriy Gapon wrote: > on 15/10/2009 23:07 Andrew Thompson said the following: > > Author: thompsa > > Date: Thu Oct 15 20:07:08 2009 > > New Revision: 198151 > > URL: http://svn.freebsd.org/changeset/base/198151 > > > > Log: > > Workaround buggy BIOS code in USB regard. By doing the BIOS to OS handover for > > all host controllers at the same time, we avoid problems where the BIOS will > > actually write to the USB registers of all the USB host controllers every time > > we handover one of them, and consequently reset the OS programmed values. > > This should fix the boot-time problems with AMD SB600/SB7xx controllers. > Many thanks to Hans for a lot of help. At least one other system also exhibits this: Intel D850 motherboards (P4 system with RDRAM). I think there is an amd64 PR about this as well that may be for yet another system. -- John Baldwin