New applesmc module for all models - Call for testing

[Nikos.Alexandris]

fanX_manual, fanX_min and fanX_output should all be read-write.

Yep, those files were ok. All of it is

/sys/devices/platform/applesmc.768$ ll fan*
-r--r--r-- 1 root root 4096 2010-11-23 12:34 fan1_input
-r--r--r-- 1 root root 4096 2010-11-23 12:34 fan1_label
-rw-r--r-- 1 root root 4096 2010-11-23 12:52 fan1_manual
-r--r--r-- 1 root root 4096 2010-11-23 12:52 fan1_max
-rw-r--r-- 1 root root 4096 2010-11-23 12:52 fan1_min
-rw-r--r-- 1 root root 4096 2010-11-23 12:52 fan1_output
-r--r--r-- 1 root root 4096 2010-11-23 12:52 fan1_safe
-r--r--r-- 1 root root 4096 2010-11-23 12:34 fan2_input
-r--r--r-- 1 root root 4096 2010-11-23 12:34 fan2_label
-rw-r--r-- 1 root root 4096 2010-11-23 12:52 fan2_manual
-r--r--r-- 1 root root 4096 2010-11-23 12:52 fan2_max
-rw-r--r-- 1 root root 4096 2010-11-23 12:52 fan2_min
-rw-r--r-- 1 root root 4096 2010-11-23 12:52 fan2_output
-r--r--r-- 1 root root 4096 2010-11-23 12:52 fan2_safe

The reason I only posted the *input files is because the echoing commands (previous post) where targetting, well, the *input file(s). I did not change those files.

TB* sensors still show 129 degrees (without the battery of course). When the battery is plugged-in it looks fine, i.e.

TB0T:        +20.0°C                                    
TB1T:        +20.0°C                                    
TB2T:        +19.5°C                                    
TB3T:        +19.8°C

Removing and loading again the applesmc module does not change the permissions of the *input files (as expected I guess?).

[kosumi68]

I see, so with/without battery affects the readings, which should be ok. What I can see, the remaining question is whether the read/write failures are random or occur every time. Your estimate here would be most valuable. I am also trying to understand the amount of read/writes to fanX_manual. Since writing this particular value changes the internal fan handling in the SMC, it is probably a good idea to exclude it from the control loop in macfanctld.

Thanks for testing!

[Nikos.Alexandris]

I see, so with/without battery affects the readings, which should be ok.

Yes. But, why set to 129 degrees when readings are not available (unplugged battery)? What is the motivation behind this? Can it not be set to N/A or the like? Or something that macfanctld will understand and ignore automatically?

Currently, the user should change the exclude option in /etc/macfanctld.conf each time the battery is being un-/plugged.

What I can see, the remaining question is whether the read/write failures are random or occur every time. Your estimate here would be most valuable.

Hmm... I was about to say it is "default" but now I am unsure. Loading and unloading applesmc should produce the same list of read arg fail messages right? Well, it does not. The only messages added after rmmod and modprobe are

[ 8836.704892] applesmc: key=295 fan=2 temp=20 acc=1 lux=2 kbd=1
[ 8836.735361] input: applesmc as /devices/platform/applesmc.768/input/input11
[ 8837.423779] applesmc: light sensor data length set to 10

I am also trying to understand the amount of read/writes to fanX_manual. Since writing this particular value changes the internal fan handling in the SMC, it is probably a good idea to exclude it from the control loop in macfanctld.

Not sure if I am able to help with this - also, currently I am a bit confused with other stuff and it will take me to dive a bit more in the SMC and fan control logic

Cheers!

[kosumi68]

Yes. But, why set to 129 degrees when readings are not available (unplugged battery)? What is the motivation behind this? Can it not be set to N/A or the like? Or something that macfanctld will understand and ignore automatically?

It seems the information is not available, unfortunately - the readings are simply what you get from the smc. Just to make sure: you plug/unplug the battery with the machine off, right?

Not sure if I am able to help with this - also, currently I am a bit confused with other stuff and it will take me to dive a bit more in the SMC and fan control logic

Cheers!

No problem, I think we are making steady progress - thanks!

[Nikos.Alexandris]

It seems the information is not available, unfortunately - the readings are simply what you get from the smc. Just to make sure: you plug/unplug the battery with the machine off, right?

Not really... But even booting with the battery not present gives the same 129 degrees readings.

Thanks for all the work

[mikael.karon]

Not sure if this thread is dead (and if the solution is presented somewhere else) but I'm having the same problem on my mbp 6,2 12.04.

[wildmanne39]

Old thread closed.