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From: Matthew Garrett <mjg59@srcf.ucam.org>
To: "Lars Noodén" <lars.nooden@gmail.com>
Cc: Henrik Rydberg <rydberg@euromail.se>,
	guenter.roeck@ericsson.com,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"lm-sensors@lm-sensors.org" <lm-sensors@lm-sensors.org>
Subject: Re: [lm-sensors] Hardware running hot and without the fan
Date: Mon, 07 Nov 2011 17:18:45 +0000	[thread overview]
Message-ID: <20111107171845.GB23257@srcf.ucam.org> (raw)
In-Reply-To: <4EB3BE15.3070009@gmail.com>

On Fri, Nov 04, 2011 at 12:27:33PM +0200, Lars Noodén wrote:

> I think there are two problems.  One is the GPU or some other part
> running hot.  The other is the sensors/fans issue: the fans don't turn
> on even when the system is hot.  Both problems are evident on two
> different models of hardware, the notebook is a MacBookPro8,2 and the
> desktop is a Macmini3,1.

Fan control is under the control of the SMC. If fans aren't working then 
either we're supposed to be feeding data into the SMC or there's a 
hardware problem of some description.

-- 
Matthew Garrett | mjg59@srcf.ucam.org

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lm-sensors@lm-sensors.org
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WARNING: multiple messages have this Message-ID (diff)
From: Matthew Garrett <mjg59@srcf.ucam.org>
To: "Lars Noodén" <lars.nooden@gmail.com>
Cc: Henrik Rydberg <rydberg@euromail.se>,
	guenter.roeck@ericsson.com,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"lm-sensors@lm-sensors.org" <lm-sensors@lm-sensors.org>
Subject: Re: Hardware running hot and without the fan
Date: Mon, 7 Nov 2011 17:18:45 +0000	[thread overview]
Message-ID: <20111107171845.GB23257@srcf.ucam.org> (raw)
In-Reply-To: <4EB3BE15.3070009@gmail.com>

On Fri, Nov 04, 2011 at 12:27:33PM +0200, Lars Noodén wrote:

> I think there are two problems.  One is the GPU or some other part
> running hot.  The other is the sensors/fans issue: the fans don't turn
> on even when the system is hot.  Both problems are evident on two
> different models of hardware, the notebook is a MacBookPro8,2 and the
> desktop is a Macmini3,1.

Fan control is under the control of the SMC. If fans aren't working then 
either we're supposed to be feeding data into the SMC or there's a 
hardware problem of some description.

-- 
Matthew Garrett | mjg59@srcf.ucam.org

  reply	other threads:[~2011-11-07 17:18 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-02  9:42 Hardware running hot and without the fan Lars Noodén
2011-11-03  2:03 ` [lm-sensors] " Guenter Roeck
2011-11-03  2:03   ` Guenter Roeck
2011-11-03  8:29   ` [lm-sensors] " Lars Noodén
2011-11-03  8:29     ` Lars Noodén
2011-11-03 13:49     ` [lm-sensors] " Guenter Roeck
2011-11-03 13:49       ` Guenter Roeck
2011-11-03 14:25       ` [lm-sensors] " Lars Noodén
2011-11-03 14:25         ` Lars Noodén
2011-11-03 15:06         ` [lm-sensors] " Guenter Roeck
2011-11-03 15:06           ` Guenter Roeck
2011-11-03 15:19           ` [lm-sensors] " Lars Noodén
2011-11-03 15:19             ` Lars Noodén
2011-11-03 15:32             ` [lm-sensors] " Guenter Roeck
2011-11-03 15:32               ` Guenter Roeck
2011-11-03 16:43               ` [lm-sensors] " Jean Delvare
2011-11-03 16:43                 ` Jean Delvare
2011-11-03 16:55                 ` Guenter Roeck
2011-11-03 16:55                   ` Guenter Roeck
2011-11-03 17:04                   ` Guenter Roeck
2011-11-03 17:04                     ` Guenter Roeck
2011-11-04 10:46                   ` lars nooden
2011-11-04 10:46                     ` lars nooden
2011-11-03 17:46             ` Henrik Rydberg
2011-11-03 17:46               ` Henrik Rydberg
2011-11-04 10:27               ` [lm-sensors] " Lars Noodén
2011-11-04 10:27                 ` Lars Noodén
2011-11-07 17:18                 ` Matthew Garrett [this message]
2011-11-07 17:18                   ` Matthew Garrett
2011-11-07 12:13               ` [lm-sensors] " Lars Noodén
2011-11-07 12:13                 ` Lars Noodén
2011-11-03 16:38           ` [lm-sensors] " Jean Delvare
2011-11-03 16:38             ` Jean Delvare

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