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Date: Thu, 03 Nov 2011 17:19:25 +0200 From: Lars Noodén <lars.nooden@...il.com> To: guenter.roeck@...csson.com CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "lm-sensors@...sensors.org" <lm-sensors@...sensors.org>, Henrik Rydberg <rydberg@...omail.se> Subject: Re: Hardware running hot and without the fan On 11/03/2011 05:06 PM, Guenter Roeck wrote: > On Thu, 2011-11-03 at 10:25 -0400, Lars Noodén wrote: [snip] >> The one machine reports one fan and the other two fans. I haven't found >> a way to set the fan speed manually. The output from sensors >> is >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881593/comments/44 >> and here >> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/881593/comments/47 > > Do the fans actually turn, or is the output bogus ? The output is bogus, the fans are not turning. On #47 there above, I think the temperatures might be inaccurate, too. Since they'll go up and down as much as 8 degrees in a few seconds. > You should be able to set the fan speed by writing into the fanX_input > and/or fanX_output sysfs attributes. You find those > in /sys/class/hwmon/hwmon0/device (assuming there is only one hwmon > device). I can set the fan speed manually. e.g.: echo 3500 > /sys/class/hwmon/hwmon0/device/fan1_output That helps some. /Lars -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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