[ltp] Re: tpfand configuration for an X200s

[Christoph Bier]

Henrique de Moraes Holschuh schrieb am 16.12.2008 14:35:

> On Tue, 16 Dec 2008, Christoph Bier wrote:
>> root@skull-tp:~# cat /proc/acpi/ibm/fan
>> status:		enabled
>> speed:		0
>> level:		auto
>> commands:	level <level> (<level> is 0-7, auto, disengaged, full-speed)
>> commands:	enable, disable
>> commands:	watchdog <timeout> (<timeout> is 0 (off), 1-120 (seconds))
> 
> That, plus the logs, tells me it should be working.
> 
> If you "echo level 7 > /proc/acpi/ibm/fan" and then you "cat
> /proc/acpi/ibm/fan", what happens?
> 
> Does the fan turns on?

No:

root@skull-tp:~# echo level 7 > /proc/acpi/ibm/fan
root@skull-tp:~# cat /proc/acpi/ibm/fan
status:		enabled
speed:		0
level:		auto
commands:	level <level> (<level> is 0-7, auto, disengaged, full-speed)
commands:	enable, disable
commands:	watchdog <timeout> (<timeout> is 0 (off), 1-120 (seconds))

> Or is it on but the tachometer is not working?

No, the fan isn't turned on.

> It could be that there is ACPI overrides in the fan control too... hmm...
> can you check if removing the "fan" module from ACPI makes any difference
> (when you do so, keep one eye on all thermal sensors, it pays off to be
> careful with these things.  If they start to climb, reboot immediately).

root@skull-tp:~# modprobe -r fan
root@skull-tp:~# echo level 7 > /proc/acpi/ibm/fan
root@skull-tp:~# cat /proc/acpi/ibm/fan
status:		enabled
speed:		0
level:		auto
commands:	level <level> (<level> is 0-7, auto, disengaged, full-speed)
commands:	enable, disable
commands:	watchdog <timeout> (<timeout> is 0 (off), 1-120 (seconds))

Do you need more testing with the removed fan module? If yes, which
kind of tests?

Thanks for your help!

Best
Christoph
-- 
+++ Typografie-Regeln: http://zvisionwelt.de/downloads.html (1.6)