From owner-freebsd-current Mon Aug 11 21:07:51 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id VAA26253 for current-outgoing; Mon, 11 Aug 1997 21:07:51 -0700 (PDT) Received: from Ilsa.StevesCafe.com (Ilsa.StevesCafe.com [205.168.119.129]) by hub.freebsd.org (8.8.5/8.8.5) with ESMTP id VAA26244 for ; Mon, 11 Aug 1997 21:07:43 -0700 (PDT) Received: from Ilsa.StevesCafe.com (localhost [127.0.0.1]) by Ilsa.StevesCafe.com (8.8.6/8.8.5) with ESMTP id WAA17341; Mon, 11 Aug 1997 22:07:28 -0600 (MDT) Message-Id: <199708120407.WAA17341@Ilsa.StevesCafe.com> X-Mailer: exmh version 2.0gamma 1/27/96 From: Steve Passe To: Alex cc: "John W. DeBoskey" , freebsd-current@FreeBSD.ORG Subject: Re: Number of pci busses probed at boot time In-reply-to: Your message of "Mon, 11 Aug 1997 14:03:44 PDT." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 11 Aug 1997 22:07:28 -0600 Sender: owner-freebsd-current@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Hi, > > When I boot my system, the pci init code scans 255 pci busses > > looking for devices (which are found on bus 0 & 1). So, I thought > > I might reduce the number of pci busses probed... > > I'm assuming that you're using an SMP machine, however even if you're not > this will probably apply to you. Since you obviously have the kernel > sources, check out the file that should be in > /usr/src/sys/i386/conf/SMP.GENERIC. This has an option "NBUS" and a value > following it. This sets the number of busses that the kernel will probe > for afaik. actually, no... NBUS merely reserves slots in a table for building mptable entries for an SMP kernel. It has nothing to do with any sort of bus probe. -- Steve Passe | powered by smp@csn.net | Symmetric MultiProcessor FreeBSD