From owner-freebsd-smp Tue Oct 31 9: 4:51 2000 Delivered-To: freebsd-smp@freebsd.org Received: from po3.wam.umd.edu (po3.wam.umd.edu [128.8.10.165]) by hub.freebsd.org (Postfix) with ESMTP id 4F7DC37B479 for ; Tue, 31 Oct 2000 09:04:47 -0800 (PST) Received: from rac1.wam.umd.edu (IDENT:root@rac1.wam.umd.edu [128.8.10.141]) by po3.wam.umd.edu (8.9.3/8.9.3) with ESMTP id LAA28550; Tue, 31 Oct 2000 11:56:00 -0500 (EST) Received: from rac1.wam.umd.edu (IDENT:sendmail@localhost [127.0.0.1]) by rac1.wam.umd.edu (8.9.3/8.9.3) with SMTP id LAA12101; Tue, 31 Oct 2000 11:55:59 -0500 (EST) Received: from localhost (culverk@localhost) by rac1.wam.umd.edu (8.9.3/8.9.3) with ESMTP id LAA12092; Tue, 31 Oct 2000 11:55:59 -0500 (EST) X-Authentication-Warning: rac1.wam.umd.edu: culverk owned process doing -bs Date: Tue, 31 Oct 2000 11:55:58 -0500 (EST) From: Kenneth Wayne Culver To: Jeremiah Gowdy Cc: Johan Dahlberg , freebsd-smp@FreeBSD.ORG Subject: Re: HLT In-Reply-To: <005801c04352$c0b23e60$aa240018@cx443070b> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org If you are running on FreeBSD-CURRENT that's why you are having the problem there, I think they disabled the HLT on FreeBSD -CURRENT ================================================================= | Kenneth Culver | FreeBSD: The best NT upgrade | | Unix Systems Administrator | ICQ #: 24767726 | | and student at The | AIM: muythaibxr | | The University of Maryland, | Website: (Under Construction) | | College Park. | http://www.wam.umd.edu/~culverk/| ================================================================= On Tue, 31 Oct 2000, Jeremiah Gowdy wrote: > > Why doesn't the HLT instruction work in FreeBSD when I run an SMP kernel? > The CPU's runs really hot.. so I'm forced to use an UP kernel, where the HLT > instruction works, and keeps the CPU's a bit colder.. > > What CPUs are you using ? What kind of load are you putting on your box ? > > I run several SMP machines under FreeBSD. If you have proper cooling, you > should have no problem under full load. I always purchase nice heatsink fan > combos with higher RPM speeds than OEM fan/heatsink combos. For an SMP box > it's worth it to spend an extra $40 on fans. > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-smp" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message