From owner-freebsd-current@FreeBSD.ORG Wed Jul 15 01:03:12 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 031B71065670 for ; Wed, 15 Jul 2009 01:03:12 +0000 (UTC) (envelope-from edwinlculp@gmail.com) Received: from qw-out-2122.google.com (qw-out-2122.google.com [74.125.92.24]) by mx1.freebsd.org (Postfix) with ESMTP id AC2FE8FC1C for ; Wed, 15 Jul 2009 01:03:11 +0000 (UTC) (envelope-from edwinlculp@gmail.com) Received: by qw-out-2122.google.com with SMTP id 3so320328qwe.7 for ; Tue, 14 Jul 2009 18:03:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=hwn4TLvrwy6g7ScG5P/cadZB+wgOEqLXnTZsnM1Ghd8=; b=ZGdP+LSbXByJCCI2XbkUTm0nTsCyWENNnUyWsKIwysTkaauCYMSkK+qMmNhbc+a0ie ehxLccdB48y0ASIwo2eA8Pj6khJRDUaYqsHFtm/d6fCtLW+cXAseJOvMcrmmbBLVArQc cF7TNk59MvyJVe94dsQo+LVdDh1Yg7+ZOuigg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=iyeK/60wW7Psr7cUcdpxzHsjacjjO9/AcXukmSzm9lLf8H4WkPHuf/VyXj4JhhXnhS h5oTcgzLUXbR/wUxe1RY50oYrv+kpBspZsF+RnKEAw5gdGcKlBtA3tUsBRDeu3oRagJK mCbDv1F3GMh4DSIKR0Ywh9/Jwo9ayNvDchyC8= MIME-Version: 1.0 Received: by 10.229.81.66 with SMTP id w2mr1326618qck.12.1247619790036; Tue, 14 Jul 2009 18:03:10 -0700 (PDT) In-Reply-To: <129FCECB-CEC3-4E75-8543-5EA1EC06D267@mac.com> References: <7affaed60907141654h29f748cdm95532aa83c4ac08d@mail.gmail.com> <129FCECB-CEC3-4E75-8543-5EA1EC06D267@mac.com> Date: Tue, 14 Jul 2009 20:03:08 -0500 Message-ID: <7affaed60907141803j6696945ewe4f84efb5123b991@mail.gmail.com> From: "Edwin L. Culp W." To: Chuck Swiger Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-current Subject: Re: Acer Laptop overheating with ACPI error that I don't understand. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 15 Jul 2009 01:03:12 -0000 On Tue, Jul 14, 2009 at 7:32 PM, Chuck Swiger wrote: > Hi-- > > On Jul 14, 2009, at 4:54 PM, Edwin L. Culp W. wrote: > >> I am having overheating problems with my Acer Aspire laptop. >> # uname -a >> FreeBSD ed.local.net.mx 8.0-BETA1 FreeBSD 8.0-BETA1 #256: Thu Jul 9 >> 07:05:20 CDT 2009 root@ed.local.net.mx: >> /usr/obj/usr/src/sys/ENCONTACTO >> i386 >> >> I've been having this problem for several months and compensating by >> reducing dev.cpu.0.freq from 1900 to 1200 and 800 in warm offices. >> > > Presumably you should be talking to Acer-- if it overheats badly in normal > operation, there's probably something wrong with a fan, temperature sensor, > or something. > > The errors I'm seeing in the log files are: >> >> +acpi_ec0: EcRead: failed waiting to get data >> +ACPI Exception: AE_NO_HARDWARE_RESPONSE, Returned by Handler for >> [EmbeddedControl] 20090521 evregion-531 >> +ACPI Error (psparse-0633): Method parse/execution failed >> [\\_TZ_.THRM._TMP] >> (Node 0xc4e75960), AE_NO_HARDWARE_RESPONSE >> >> I'm afraid that I don't understand them. >> > > acpi_ec0 is the embedded controller handling ACPI events. It should be > responsible for adjusting active cooling measures like fan speed in response > to temperature changes. See "man acpi_thermal".... Gracias, Chuck. That is what I needed to be able to understand a bit more about ACPI. Thanks, ed > > > Regards, > -- > -Chuck > >