Date: Tue, 30 Jul 2002 15:05:01 +0100 (IST) From: Nick Hilliard <nick-lists@netability.ie> To: FreeBSD-gnats-submit@FreeBSD.org Subject: docs/41166: man page for smp(4) is short on details Message-ID: <200207301405.g6UE51Ys025498@flapjack.netability.ie>
next in thread | raw e-mail | index | archive | help
>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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200207301405.g6UE51Ys025498>