Re: [lm-sensors] unhide_ICH_SMBus: line 33: /sys/bus/pci/slots//0000:00:1f.0/power: No such file or directory

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On Tue, 15 Sep 2009 15:11:39 +0200, Martin MOKREJŠ wrote:
> Jean Delvare wrote:
> > This is exactly the symptom described in the blog post I sent you to.
> > http://hansdegoede.livejournal.com/7932.html
> > Did you read it?
> 
> I did and therefore it seemed to me the problem is with the driver.
> I haven't figured out I am using a wrong one. :( So I should probably
> go and read the FAQ again. ;-)
> 
> > 
> >> $ dmesg
> >> [cut]
> >> i801_smbus 0000:00:1f.3: PCI INT B -> Link[LNKB] -> GSI 11 (level, low) -> IRQ 11
> >> [cut]
> >>
> >> $ sensors
> >> ds1621-i2c-4-4c
> >> Adapter: SMBus I801 adapter at e800
> >> temp:     +51.00°C  (low  = +51.0°C, high = +51.0°C)  ALARM (LOW)
> > 
> > You don't really have a DS162x chip on your system, do you? The output
> > above is rather suspicious. Does the temperature value ever changes?
> 
> At the moment I have under 2.6.30.6:
> 
> # sensors
> ds1621-i2c-4-4c
> Adapter: SMBus I801 adapter at e800
> temp:     +64.00°C  (low  = +64.0°C, high = +64.0°C)  ALARM (HIGH)

Once again, input = low = high, this doesn't make any sense. This has
to be a misdetection. So I suggest that you stop loading the ds1621
driver.

As this was the only chip seen by sensors-detect on your system, this
simply means that lm-sensors' native drivers are of no use on your
system. The good news is that this means the ACPI conflicts policy
change in recent kernels doesn't affect you much.

> (...)
> Once again, it is ASUS L3C/S laptop.

On laptops, thermal management is almost always handled by ACPI. So
your best chances are the acpi "thermal" driver and its bridge driver
to lm-sensors (thermal_sys, CONFIG_THERMAL=m or y and
CONFIG_THERMAL_HWMON=y).

And there are also a number of drivers dedicated to Asus systems, such
as asus_atk0110, asus-laptop and asus_acpi. You should try them if you
haven't already.

-- 
Jean Delvare
http://khali.linux-fr.org/wishlist.html

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