Re: Fan speeds on HP nc6400 and nc8430

[Alexey Starikovskiy <alexey.y.starikovskiy@linux.intel.com>]

Did you try patches from #5534 and #7122?

Pieter De Wit wrote:
> Hi Luming,
>
> This module was build into the kernel. After make it a module and making
> sure it's not loaded, I still see the problem. Here is a more detailed
> problem:
>
> If I leave ACPI to manage the system, thermal zone TZ4 stays around 80
> C. The moment I turn on fan C318, this zone *shoots* up to 100 C and
> stays there, no matter what. This fan I can't turn off again.
>
> Here is a cat of fans, thermal_zone status and temp.
>
> status:                  on
> status:                  off
> status:                  on
> status:                  on
> status:                  on
> status:                  on
> status:                  on
> state:                   active[2]
> state:                   ok
> state:                   ok
> state:                   ok
> state:                   ok
> temperature:             65 C
> temperature:             61 C
> temperature:             54 C
> temperature:             30 C
> temperature:             100 C
>
> This was taken during the compile of gcc. While not doing anything, the
> second zone drops to 54 C (currently at 61)
>
> Thanks for the time,
>
> Pieter
>
> -----Original Message-----
> From: Luming Yu [mailto:luming.yu@gmail.com] 
> Sent: 2007/01/19 10:14
> To: Pieter De Wit
> Cc: linux-acpi@vger.kernel.org
> Subject: Re: Fan speeds on HP nc6400 and nc8430
>
> Do you have psmouse module loaded ?
> (i.e. CONFIG_MOUSE_PS2=m)
> If yes, Please try remove it, and re-test it.
>
> Thanks,
> Luming
>
> On 1/19/07, Pieter De Wit <Pieter.DeWit@vodacom.co.za> wrote:
>   
>> Hello List,
>>
>> I have noted that the fan speed on "idle" is much higher in Linux 
>> compared to XP. I have also noted that once fans are turned on, they 
>> never seem to return to the off state. I am currently using the 2.6.18
>>     
>
>   
>> kernel from Gentoo (gentoo-sources-r6). I was wondering if there is a 
>> way I can lower the fan speed, or even assist the devs to get info 
>> regarding these notebooks (if any is needed).
>>
>> Thanks,
>>
>> Pieter
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