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From: Jean Delvare <khali@linux-fr.org>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] [patch 1/1] applesmc for Mac Pro 2 x Quad-Core
Date: Tue, 23 Oct 2007 21:01:36 +0000	[thread overview]
Message-ID: <20071023230136.456430ff@hyperion.delvare> (raw)
In-Reply-To: <20071023120239.GD30546@jupiter.solarsys.private>

On Tue, 23 Oct 2007 08:02:39 -0400, Mark M. Hoffman wrote:
> > At least the 2x Quad-Core Apple Mac Pro appears to have some over-heat
> > protection which suddenly powers off the whole box under load.  This adds
> > support for the fans and temerature sensors in the Mac Pro - later some
> > "windwarm" a-like code should probably monitor the values.  For now
> > manually tweaking the fans prevents the sudden shutdown for me.
> > 
> > cd /sys/devices/platform/applesmc.768
> > for x in fan{1,2,3,4}; do
> > 	echo 1 > ${x}_manual
> > 	echo 1285 > ${x}_output
> > done
> 
> René: there is a series of patches for the f75375s hwmon driver that allow fans
> to be initialized with platform data.  Although I haven't reviewed the series
> in detail yet, IMO the concept looks OK and it may be appropriate for the Macs
> also.
> 
> http://lists.lm-sensors.org/pipermail/lm-sensors/2007-October/021597.html
> http://lists.lm-sensors.org/pipermail/lm-sensors/2007-October/021598.html
> http://lists.lm-sensors.org/pipermail/lm-sensors/2007-October/021599.html

I still need to be convinced why this has to be hard-coded in the
kernel when the same can be done, and fine-tuned, in user-space just
fine.

-- 
Jean Delvare

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  reply	other threads:[~2007-10-23 21:01 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-23 12:02 [lm-sensors] [patch 1/1] applesmc for Mac Pro 2 x Quad-Core Mark M. Hoffman
2007-10-23 21:01 ` Jean Delvare [this message]
2007-10-24  0:40 ` Mark M. Hoffman
2007-10-24  8:38 ` Jean Delvare

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