Hi Jean,
thank you for giving hints.
After starting modules thermal and thinkpad_acpi without direct errors,
sensors-detect did not show more results. Independant from that, after
starting module thinkpad_acpi, the output of "sensors" shows new fan1,
but the written speed has got a wrong value (fan is not running):
-----
coretemp-isa-0000
Adapter: ISA adapter
Core 0: +34.0°C (high = +105.0°C, crit = +105.0°C)
Core 1: +33.0°C (high = +105.0°C, crit = +105.0°C)
thinkpad-isa-0000
Adapter: ISA adapter
fan1: 7 RPM
-----
Here is the output of "dmesg|grep thinkpad_acpi", which shows, that
thinkpad_acpi do not know the BIOS version ACCN10WW:
-----
ThinkPad ACPI Extras v0.25
thinkpad_acpi: http://ibm-acpi.sf.net/
thinkpad_acpi: ThinkPad BIOS ACCN10WW, EC unknown
thinkpad_acpi: Lenovo Lenovo S20-30, model 20421
thinkpad_acpi: detected a 8-level brightness capable ThinkPad
thinkpad_acpi: Standard ACPI backlight interface available, not loading
native one
thinkpad_acpi: Console audio control enabled, mode: monitor (read only)
-----
Here is the output of "ls -al /proc/acpi/ibm"
-----
-r--r--r-- 1 root root 0 13. Sep 18:49 driver
-rw-r--r-- 1 root root 0 13. Sep 18:49 fan
-rw-r--r-- 1 root root 0 13. Sep 18:49 volume
-----
Here is what "cat /proc/acpi/ibm/fan" says, after I start thinkpad_acpi
with parameter fan_control=1 and executing "echo 'warchdog 1'>fan", but
changing speed by executing "echo 'level 0'>fan" do not change anything:
-----
status: enabled
speed: 7
level: 4
commands: level <level> (<level> is 0-7, auto, disengaged, full-speed)
commands: enable, disable
commands: watchdog <timeout> (<timeout> is 0 (off), 1-120 (seconds))
-----
Is there anythink else I can try to show my fan speed with sensors?
Kind regards,
Raimar
-------- Original Message --------
Subject: Re: No support for SMBus adapter 8086:0f12 at
0000:00:1f.3
To: <lm-sensors <at> lm-sensors.org>
Date: 13.09.2014 11:47
Hi Raimar,
On Fri, 12 Sep 2014 22:25:03 +0200, ""Bühmann, Raimar"" <Raimar@xxxxxxxxxxx> wrote:
on my new Lenovo laptop only the sensors for CPU temperature have been
found, but the fan not. What can I do?
Here is the interesting part of the output of "sudo sensors-detect":
# sensors-detect revision 6254 (2014-09-10 21:18:25 +0200)
# System: LENOVO 20421 [Lenovo S20-30] (laptop)
# Board: LENOVO Edonis 2A1
# Kernel: 3.16.2-1-ARCH x86_64
# Processor: Intel(R) Celeron(R) CPU N2830 @ 2.16GHz (6/55/8)
[...]
Intel digital thermal sensor... Success!
(driver `coretemp')
[...]
Probing for Super-I/O at 0x4e/0x4f
Trying family `National Semiconductor/ITE'... Yes
Found unknown chip with ID 0x8528
[...]
Found unknown SMBus adapter 8086:0f12 at 0000:00:1f.3.
Sorry, no supported PCI bus adapters found.
Next adapter: i915 gmbus ssc (i2c-0)
Next adapter: i915 gmbus vga (i2c-1)
Next adapter: i915 gmbus panel (i2c-2)
Next adapter: i915 gmbus dpc (i2c-3)
Next adapter: i915 gmbus dpb (i2c-4)
Next adapter: i915 gmbus dpd (i2c-5)
Next adapter: DPDDC-B (i2c-6)
Next adapter: DPDDC-C (i2c-7)
[...]
Driver `coretemp':
* Chip `Intel digital thermal sensor' (confidence: 9)
That's also what I have on my Lenovo ThinkPad X230 as far as
sensors-detect is concerned. Additionally, "sensors" shows acpitz (from
driver thermal) and thinkpad (from driver thinkpad_acpi.) The full
output looks like this:
acpitz-virtual-0
Adapter: Virtual device
temp1: +46.0°C (crit = +103.0°C)
thinkpad-isa-0000
Adapter: ISA adapter
fan1: 2967 RPM
coretemp-isa-0000
Adapter: ISA adapter
Physical id 0: +49.0°C (high = +87.0°C, crit = +105.0°C)
Core 0: +47.0°C (high = +87.0°C, crit = +105.0°C)
Core 1: +49.0°C (high = +87.0°C, crit = +105.0°C)
What does your "sensors" output look like?
Until now I only found out, that the fan mode can be changed by
echo
'X'>/sys/devices/pci0000:00/0000:00:1f.0/PNP0C09:00/VPC2004:00/fan_mode
where X defines the fan cooling mode, i.e X can be one of the following
possibilities:
1 = interval cooling
2 = regulate fan speed depending on temperature.
I don't have anything like that on my model.
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