From owner-freebsd-stable@FreeBSD.ORG Tue Sep 8 17:28:10 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 91CF61065670 for ; Tue, 8 Sep 2009 17:28:10 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from cmail.optima.ua (cmail.optima.ua [195.248.191.121]) by mx1.freebsd.org (Postfix) with ESMTP id AB7048FC1D for ; Tue, 8 Sep 2009 17:28:09 +0000 (UTC) Received: from [212.86.226.226] (account mav@alkar.net HELO mavbook.mavhome.dp.ua) by cmail.optima.ua (CommuniGate Pro SMTP 5.2.9) with ESMTPSA id 253775946; Tue, 08 Sep 2009 19:28:05 +0300 Message-ID: <4AA6860F.1020203@FreeBSD.org> Date: Tue, 08 Sep 2009 19:27:59 +0300 From: Alexander Motin User-Agent: Thunderbird 2.0.0.23 (X11/20090901) MIME-Version: 1.0 To: Daniel O'Connor References: <1252426982.00160755.1252414203@10.7.7.3> In-Reply-To: <1252426982.00160755.1252414203@10.7.7.3> X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 7bit Cc: FreeBSD Stable Subject: Re: Detecting CPU throttling on over temperature X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Sep 2009 17:28:10 -0000 Daniel O'Connor wrote: > I recently discovered a system where the floppy drive cable was > intermittently fouling the CPU fan - I believe this caused the CPU to > overheat and then get throttled by the BIOS. > > Does anyone know if it is possible to determine if this is the case? ie > is there a way to be informed if throttling has occurred? Theoretically it is possible. I know off-topic tool reporting this. Also you can just monitor CPU temperature, depending on CPU type. -- Alexander Motin