From owner-freebsd-acpi@FreeBSD.ORG Wed May 23 20:01:20 2007 Return-Path: X-Original-To: freebsd-acpi@freebsd.org Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id A314A16A46F for ; Wed, 23 May 2007 20:01:20 +0000 (UTC) (envelope-from tabbot@gmail.com) Received: from mu-out-0910.google.com (mu-out-0910.google.com [209.85.134.188]) by mx1.freebsd.org (Postfix) with ESMTP id 33B1713C45A for ; Wed, 23 May 2007 20:01:19 +0000 (UTC) (envelope-from tabbot@gmail.com) Received: by mu-out-0910.google.com with SMTP id w8so251422mue for ; Wed, 23 May 2007 13:01:19 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=Wqm4tmtXJ7Gjj2euBKL35i/J9Ddk5n1mBqZs6hncNrkrZiDh9cvrcrRnlmbuJn77s2Zfiw+kFzB3LT71pjbEZSlujNfkqixwoZ8N2Ttbzr6OtPwwPCT7t7OaD3vbNujxCP1oWDirukArus8qO7KGufAeecRDQruoKNf9CUdUqcA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=bcUiAY5hvyqpRyKIa9g2ygteOc6/K3Q/izx8nckpmZROfUDs4gUW21OFbVmJ6rzi8v1i9+c8gCuc/r6w5e2MJEassG4GOAkyWNJ2bPkbaGZmD6ws0ImExjUaI3EAcjijyVd/r+EYkKqyqrNSaDFudMi0HBFj3wgIG5YP0QvD/qA= Received: by 10.82.138.6 with SMTP id l6mr1658029bud.1179945526177; Wed, 23 May 2007 11:38:46 -0700 (PDT) Received: by 10.82.145.3 with HTTP; Wed, 23 May 2007 11:38:46 -0700 (PDT) Message-ID: <8e29d9830705231138s2b2ef7c7ubb8001ef37dc297c@mail.gmail.com> Date: Thu, 24 May 2007 00:08:46 +0530 From: "Tank Abbot" To: freebsd-acpi@freebsd.org In-Reply-To: <46542EF3.7030809@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <4630BCC4.10601@freebsd.org> <4637860D.8060603@freebsd.org> <46378F75.6020007@root.org> <4637944C.5000709@freebsd.org> <46379F42.3040700@freebsd.org> <46542EF3.7030809@freebsd.org> Subject: Re: CPU temp AC vs Battery X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 May 2007 20:01:20 -0000 I had a same problem on my old dell and i never quite figured what the problem was. cpufreq_load="YES" solved it for me. Thank you. tabbot http://www.yosumiru.com/ On 5/23/07, Eric Anderson wrote: > On 05/01/07 15:12, Eric Anderson wrote: > > On 05/01/07 14:26, Eric Anderson wrote: > >> On 05/01/07 14:05, Nate Lawson wrote: > >>> Eric Anderson wrote: > >>>> On 04/26/07 09:52, Eric Anderson wrote: > >>>>> Hi everyone, > >>>>> > >>>>> I've just noticed something very odd. On my Dell D820 laptop, when > >>>>> running off AC power from boot, by idle CPU temperature sits around 58C. > >>>>> > >>>>> If I unplug the power, and then plug it back in again, it will drop > >>>>> down to around 49-50C within a minute or two. It will stay there. > >>>>> With or without powerd running. > >>>> Another note: > >>>> > >>>> If I boot up without the AC adapter plugged in, it still runs hot. Only > >>>> the transition from AC -> battery seems to make a difference. > >>>> > >>>> Anyone with some ideas?? > >>> Does the temp change at all or is it stuck at 58C? If stuck, maybe the > >>> reading is incorrect and something in the AC line transition kicks the > >>> EC back into operation. > >> The temp does change, about 10C. > > > > > > Hmm.. Seems also that my performance is reduced quite a bit. Doing some > > rather lame CPU benchmarks (ubench -c -s), seems that I get a score of > > around 200k on AC before unplugging, and about 104k after > > unplugging/plugging back in. It definitely feels slower too.. > > > > I don't see any speed changes or anything obvious in sysctl output. > > > > > >>> If it changes, then perhaps something is generating a lot of interrupts > >>> (perhaps SMI or SCI irqs). More debug prints from the acpi-ca Notify > >>> routine caller would help zero in. > >>> > >> Just add some printfs in there and recompile/reboot? > > Turns out that adding this to my /boot/loader.conf resolves it: > > cpufreq_load="YES" > > > Eric > > > > _______________________________________________ > freebsd-acpi@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-acpi > To unsubscribe, send any mail to "freebsd-acpi-unsubscribe@freebsd.org" >