From owner-freebsd-hackers@FreeBSD.ORG Thu Oct 25 17:56:54 2007 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1F63D16A419; Thu, 25 Oct 2007 17:56:54 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from speedfactory.net (mail6.speedfactory.net [66.23.216.219]) by mx1.freebsd.org (Postfix) with ESMTP id 9E16A13C4B8; Thu, 25 Oct 2007 17:56:53 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (unverified [66.23.211.162]) by speedfactory.net (SurgeMail 3.8p) with ESMTP id 216066962-1834499 for multiple; Thu, 25 Oct 2007 13:59:12 -0400 Received: from localhost.corp.yahoo.com (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.13.8/8.13.8) with ESMTP id l9PHuYL9023899; Thu, 25 Oct 2007 13:56:35 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-hackers@freebsd.org Date: Thu, 25 Oct 2007 13:50:55 -0400 User-Agent: KMail/1.9.6 References: <0F0DFE71-3A14-4A3D-BBF8-6FAEA9245F3A@gid.co.uk> <20071024.150639.63053209.imp@bsdimp.com> In-Reply-To: <20071024.150639.63053209.imp@bsdimp.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200710251350.56208.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Thu, 25 Oct 2007 13:56:35 -0400 (EDT) X-Virus-Scanned: ClamAV version 0.91.2, clamav-milter version 0.91.2 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: ivoras@freebsd.org Subject: Re: USB vs PAE X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Oct 2007 17:56:54 -0000 On Wednesday 24 October 2007 05:06:39 pm M. Warner Losh wrote: > In message: > Bob Bishop writes: > : Hi, > : > : On 23 Oct 2007, at 20:45, Ivan Voras wrote: > : > : > Bob Bishop wrote: > : >> Hi, > : >> > : >> The whole USB kit and caboodle is nodevice'd out in the PAE > : >> config. Can > : >> anyone give a succinct summary of what needs fixing? (EVERYTHING! > : >> is an > : >> acceptable answer) Thanks > : > > : > I'm running USB keyboard and mouse under PAE without problems. Don't > : > know about other USB devices. AFAIK everything that is 64-bit clean > : > (i.e. works on AMD64 and other architectures) should work ok with PAE, > : > so try compiling it in and see for yourself. > : > : > : Yes. Keyboard and umass (CDROM and memory stick) seem to work here on > : 6.2R. Thanks! > > In 6.x the big problem is busdma support. USB doesn't use it quite > right, which means that buffers that it uses must be in the lower > 4GB. If not, then it won't work. > > Current does proper scatter/gather, so should work without issue. Ah, ok. How does USB on 6.x work with amd64? Also, any idea when the USB stuff will be MFC'd to 6? -- John Baldwin