From owner-freebsd-questions@FreeBSD.ORG Tue Oct 21 21:21:09 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 20A381065671; Tue, 21 Oct 2008 21:21:09 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (bigknife-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:75::2]) by mx1.freebsd.org (Postfix) with ESMTP id 8C1598FC14; Tue, 21 Oct 2008 21:21:08 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from localhost.corp.yahoo.com (john@localhost [IPv6:::1]) (authenticated bits=0) by server.baldwin.cx (8.14.2/8.14.2) with ESMTP id m9LLL1Sp008543; Tue, 21 Oct 2008 17:21:02 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: robert@webtent.com Date: Tue, 21 Oct 2008 15:36:47 -0400 User-Agent: KMail/1.9.7 References: <1224445801.6926.0.camel@laptop.webtent.org> <200810211509.53454.jhb@freebsd.org> <1224616948.8122.79.camel@columbus.webtent.org> In-Reply-To: <1224616948.8122.79.camel@columbus.webtent.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200810211536.47957.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [IPv6:::1]); Tue, 21 Oct 2008 17:21:02 -0400 (EDT) X-Virus-Scanned: ClamAV 0.93.1/8465/Tue Oct 21 16:14:56 2008 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=4.2 tests=BAYES_00,NO_RELAYS autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: Jeremy Chadwick , FreeBSD Subject: Re: page fault while in kernel mode X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Oct 2008 21:21:09 -0000 On Tuesday 21 October 2008 03:22:28 pm Robert Fitzpatrick wrote: > On Tue, 2008-10-21 at 15:09 -0400, John Baldwin wrote: > > Alternatively, you could just remove the 'device adv' line from your > > kernel > > config rather than adding lots of 'nodevice' lines at the bottom. You > > can > > usually do 'man 4 ' to see what devices it supports. In > > this > > case, adv(4) supports mostly ancient Advansys SCSI host adapters. > > The > > manpage has a full list of the various model numbers, etc. > > Yes, that is what I thought. Right now, I am just commenting them out, > now I know what people mean when they say they are running a > trimmed/clean kernel. > > I did see one potential issue... > > # USB support > device uhci # UHCI PCI->USB interface > device ohci # OHCI PCI->USB interface > device ehci # EHCI PCI->USB interface (USB 2.0) > device usb # USB Bus (required) > > I see all of these with nodevice lines in the PAE file. Although I have > USB ports, I don't use them, but I was concerned by the 'required' on > the last one, is it OK to remove? Also, would I then need to disable USB > in the BIOS to avoid errors? Actually, USB is ok with PAE. I recently updated the PAE configs to not disable PAE and at work we've run PAE kernels with USB enabled for a few years now on 6.x w/o any problems. -- John Baldwin