From owner-freebsd-doc Tue Jul 30 11:58: 3 2002 Delivered-To: freebsd-doc@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2BB6C37B400 for ; Tue, 30 Jul 2002 11:57:59 -0700 (PDT) Received: from freefall.freebsd.org (freefall.FreeBSD.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9654843E5E for ; Tue, 30 Jul 2002 11:57:58 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.4/8.12.4) with ESMTP id g6UIU2JU034948 for ; Tue, 30 Jul 2002 11:30:02 -0700 (PDT) (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.4/8.12.4/Submit) id g6UIU2wO034947; Tue, 30 Jul 2002 11:30:02 -0700 (PDT) Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 462D637B409 for ; Tue, 30 Jul 2002 11:21:17 -0700 (PDT) Received: from flapjack.homeip.net (r96-68.bas1.srl.dublin.eircom.net [159.134.96.68]) by mx1.FreeBSD.org (Postfix) with ESMTP id B2DE543E31 for ; Tue, 30 Jul 2002 11:21:14 -0700 (PDT) (envelope-from nick@netability.ie) Received: from flapjack.netability.ie (localhost [127.0.0.1]) by flapjack.homeip.net (8.12.3/8.12.3) with ESMTP id g6UE52Dm021353 for ; Tue, 30 Jul 2002 15:05:02 +0100 (IST) (envelope-from nick@flapjack.netability.ie) Received: (from nick@localhost) by flapjack.netability.ie (8.12.3/8.12.3/Submit) id g6UE51Ys025498; Tue, 30 Jul 2002 15:05:01 +0100 (IST) Message-Id: <200207301405.g6UE51Ys025498@flapjack.netability.ie> Date: Tue, 30 Jul 2002 15:05:01 +0100 (IST) From: Nick Hilliard Reply-To: Nick Hilliard To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Subject: docs/41166: man page for smp(4) is short on details Sender: owner-freebsd-doc@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org >Number: 41166 >Category: docs >Synopsis: man page for smp(4) is short on details >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-doc >State: open >Quarter: >Keywords: >Date-Required: >Class: update >Submitter-Id: current-users >Arrival-Date: Tue Jul 30 11:30:01 PDT 2002 >Closed-Date: >Last-Modified: >Originator: Nick Hilliard >Release: FreeBSD 4.6-RELEASE-p2 i386 >Organization: Network Ability Ltd. >Environment: System: FreeBSD flapjack.netability.ie 4.6-RELEASE-p2 FreeBSD 4.6-RELEASE-p2 #1: Sat Jul 13 22:31:25 IST 2002 nick@flapjack.netability.ie:/usr/src/sys/compile/FLAPJACK i386 >Description: The man page for smp(4) is a little lacking in detail about FreeBSD's SMP implementation. The patch included below just gives some details on how to enable SMP, and points the user at the handbook. >How-To-Repeat: >Fix: --- smp.4.orig Fri Aug 17 14:08:39 2001 +++ smp.4 Tue Jul 30 15:00:57 2002 @@ -34,23 +34,40 @@ .Sh DESCRIPTION The .Nm -kernel implements symmetric multiprocessor support. +kernel implements symmetric multiprocessor support. This functionality can +be enabled in FreeBSD by compiling a kernel with the the following options +enabled: +.Bd -literal -offset indent +options SMP +options APIC_IO +.Ed +.Pp +Further information on compiling custom kernels can be found in the FreeBSD +Handbook. .Sh COMPATIBILITY The .Nm kernel supports motherboards that follow the Intel MP specification, version 1.4. .Sh BUGS -That would be a good guess... +Certain features of APM (Advanced Power Management) are known to interact +badly with +.Nm . +APM shutdown is generally safe, but other APM features should be avoided. +This is not a FreeBSD-specific problem, but is due to the fact that APM +was not designed with +.Nm +in mind. .Sh SEE ALSO .Xr mptable 1 , -.Xr dmesg 8 +.Xr dmesg 8 , +.Xr config 8 . .Sh HISTORY The .Nm kernel's early history is not (properly) recorded. It was developed in a separate CVS branch until April 26, 1997, at which point it was -merged into 3.0-current. By this date 3.0-current had already been -merged with Lite2 kernel code. +merged into 3.0-current. FreeBSD 3.0 was the first major release to support +.Nm . .Sh AUTHORS .An Steve Passe Aq fsmp@FreeBSD.org >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-doc" in the body of the message