From owner-freebsd-stable@FreeBSD.ORG Sun Dec 21 17:19:34 2008 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 76127106564A; Sun, 21 Dec 2008 17:19:34 +0000 (UTC) (envelope-from onemda@gmail.com) Received: from yw-out-2324.google.com (yw-out-2324.google.com [74.125.46.30]) by mx1.freebsd.org (Postfix) with ESMTP id 1F42C8FC1E; Sun, 21 Dec 2008 17:19:33 +0000 (UTC) (envelope-from onemda@gmail.com) Received: by yw-out-2324.google.com with SMTP id 9so1333171ywe.13 for ; Sun, 21 Dec 2008 09:19:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=EMkCDeOmPAzFTMp+qOorcM/7B4w1rYWZ55/0upfIN4U=; b=syvTHbCfAOJbCKHIoNHSRku1x+b0vYDIk9T1nbaOO8uCwsIFW7vjaH8LpXUJ3yVNzn HL0fBb3WC7zrzqEKWZajKIinIImCwCDdClWtPOSobEV6luT9SyzhGZ1Y1J1w5t2Jyr8A xgdlHH8MjR9Mse4UKe1QFd0EjXOZKYgVNioOY= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=Odh1hoIsYmxgQkIahWYEBc05CqGBvxM8h5gBnRG8G6YRg1fB8LYde11DH1gxRQK5uH NsdKS2i4jslIyAfW/b6Q4r3w9MgZVXhQ6cS/pTrrHFN1RspnNxl/6gtNLZUKGtEzdKD/ yBGCLucHhEhraEeRBtj9DWabP8Xsw7MWPN1Qc= Received: by 10.231.20.5 with SMTP id d5mr136799ibb.25.1229879973004; Sun, 21 Dec 2008 09:19:33 -0800 (PST) Received: by 10.231.17.8 with HTTP; Sun, 21 Dec 2008 09:19:32 -0800 (PST) Message-ID: <3a142e750812210919s3bd5876q8f45759f1228906b@mail.gmail.com> Date: Sun, 21 Dec 2008 18:19:32 +0100 From: "Paul B. Mahol" To: "Nathan Lay" In-Reply-To: <494E712B.802@comcast.net> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <494DDA1B.6050206@comcast.net> <3a142e750812210514k6dc41c0o32d7ef57e765dcc8@mail.gmail.com> <494E712B.802@comcast.net> Cc: freebsd-current@freebsd.org, freebsd-stable Subject: Re: Very serious cooling issues CURRENT/STABLE 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: Sun, 21 Dec 2008 17:19:34 -0000 On 12/21/08, Nathan Lay wrote: > Paul B. Mahol wrote: >> On 12/21/08, Nathan Lay wrote: >> >>> acpi.thermal.min_runtime: 0 >>> hw.acpi.thermal.polling_rate: 10 >>> hw.acpi.thermal.user_override: 0 >>> hw.acpi.thermal.tz0.temperature: 37.0C >>> hw.acpi.thermal.tz0.active: -1 >>> >> Is this one ever changed? >> >> >>> hw.acpi.thermal.tz0.passive_cooling: 1 >>> hw.acpi.thermal.tz0.thermal_flags: 0 >>> hw.acpi.thermal.tz0._PSV: 89.5C >>> hw.acpi.thermal.tz0._HOT: -1 >>> hw.acpi.thermal.tz0._CRT: 93.0C >>> hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 >>> >> >> This one means that coling will never be used, why: >> my output looks like this: >> hw.acpi.thermal.tz0._ACx: 85.0C 75.0C 60.0C 50.0C -1 -1 -1 -1 -1 -1 >> >> >>> hw.acpi.thermal.tz0._TC1: 5 >>> hw.acpi.thermal.tz0._TC2: 4 >>> hw.acpi.thermal.tz0._TSP: 600 >>> >> >> You can play with all thermal values once you enable: >> hw.acpi.thermal.user_override >> >> But acpi may redo such values again after some time. >> You only real workaround is to use modified acpi ASL: >> it is explained in handbook. >> >> In my case I fixed in that way bogus kernel >> message "_CRT value is absurd, ignored". >> >> >> > hw.acpi never displayed thermal values for some reason. However, after > loading acpi_ibm, I can query those values without a problem > dev.acpi_ibm.0.thermal: 49 41 33 48 27 -1 22 -1 > > I'm not sure the critical temperature (99C) is a problem, but what I > have observed is you should never be near it. None of these thinkpads > got over 80C under load with FreeBSD installed until recently. ACPI's > ASL does not appear to be the problem as it has worked correctly in the > past. Until recenty when, can you point into svn revision? If the same overheat happens with acpi disabled that I dont see how freebsd acpi can help you. -- Paul