From owner-freebsd-smp Sat Apr 29 7:46: 2 2000 Delivered-To: freebsd-smp@freebsd.org Received: from Ilsa.StevesCafe.com (Ilsa.StevesCafe.com [206.168.13.65]) by hub.freebsd.org (Postfix) with ESMTP id 71C8B37B568 for ; Sat, 29 Apr 2000 07:45:59 -0700 (PDT) (envelope-from fbsd@Ilsa.StevesCafe.com) Received: from Ilsa.StevesCafe.com (localhost [127.0.0.1]) by Ilsa.StevesCafe.com (8.9.3/8.9.3) with ESMTP id IAA09070; Sat, 29 Apr 2000 08:45:46 -0600 (MDT) (envelope-from fbsd@Ilsa.StevesCafe.com) Message-Id: <200004291445.IAA09070@Ilsa.StevesCafe.com> X-Mailer: exmh version 2.0.2 2/24/98 From: Steve Passe To: djb@ifa.au.dk Cc: freebsd-smp@FreeBSD.ORG, Terry Lambert , Matthew Dillon , Jeremiah Gowdy , James Housley Subject: Re: hlt instructions and temperature issues In-reply-to: Your message of "Sat, 29 Apr 2000 16:17:13 +0200." <20000429161713.A49155@relativity.student.utwente.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sat, 29 Apr 2000 08:45:46 -0600 Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Hi, > On Sat, Apr 29, 2000 at 01:53:50PM +0200, Dave Boers wrote: > > The kernel looks stable, even though from the thread I get the impression > > that many problems might arise. To stress the system somewhat, I'll do a > > make -j 12 buildworld now. See if it crashes. > > It didn't crash. During the process I followed processor utilization using > top and everything seems just normal to me. Also, the system does not > appear slower than normal at all. > > During the buildworld the processor temperature never reached above 40 > degrees celcius. So I guess, comparing to the 50 degrees Celcius, that > whatever an unmodified SMP FreeBSD-system is doing during idle time, it > sure makes the processor very hot; even hotter than during full load in > buildworld -j 12. Did you use the version that had the explicit instruction between the sti and hlt: ENTRY(default_halt) sti movl $0, lapic_tpr hlt ret or one of the other variations we discussed? I would like to repeat your experiment. -- Steve Passe | powered by smp@csn.net | Symmetric MultiProcessor FreeBSD To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message