linux-kernel - Re: [lm-sensors] LMSENSORS: 2.6.26-rc, enabling ACPI Termal Zone support costs sensors

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Date:	Sun, 22 Jun 2008 09:30:09 +0200
From:	Hans de Goede <j.w.r.degoede@....nl>
To:	Rene Herman <rene.herman@...access.nl>
CC:	"Mark M. Hoffman" <mhoffman@...htlink.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	lm-sensors@...sensors.org
Subject: Re: [lm-sensors] LMSENSORS: 2.6.26-rc,	enabling ACPI Termal Zone
 support costs sensors

Rene Herman wrote:
> Good day.
> 
> On 2.6.26-rc and perhaps earlier, when I enable the ACPI Thermal Zone 
> support (CONFIG_ACPI_THERMAL) I see in dmesg:
> 
> ACPI: LNXTHERM:01 is registered as thermal_zone0
> ACPI: Thermal Zone [THRM] (56 C)
> 
> My /sys/class/hwmon/hwmon0 (a W83782D chip) becomes hwmon1, there's a 
> new /sys/class/hwmon/hwmon0 and "sensors -s" craps out with:
> 
> # sensors -s
> Can't access procfs/sysfs file
> Kernel interface access error
> For 2.6 kernels, make sure you have mounted sysfs and libsensors
> was compiled with sysfs support!
> 
> # sensors --version
> sensors version 2.10.6 with libsensors version 2.10.6
> 
> This is the slackware 12.1 (recent) standard version. What's wrong?
> 
> In case it's useful, my /etc/sensors.conf is at:
> 
> http://members.home.nl/rene.herman/sensors.conf
> 

I'm pretty sure this caused by your lm_sensors using space being too old to
support the new thermalzone stuff.

<Correction that should ofcourse read "userspace" not "using space", so the 
correct reply I was trying to send is>:

I'm pretty sure this caused by your lm_sensors using space being too old to
support the new thermalzone stuff. You need atleast 3.0.2 to support the
thermalzone driver.

Regards,

Hans

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