I guess fan speed monitoring is not supported by the kernel yet on your 
machine.  I assume your machine has an AMD chipset? (I think all AMD 
notebooks do)

Have you done any testing on windows or with earlier ubuntu distro's to 
verify that the behavior is different under Jaunty?


James


Andreas Kostyrka wrote:
> Am Montag, den 15.06.2009, 13:57 +0000 schrieb arsenix:
>   
>> Michal I think 50C is pretty much normal operating temp for a Core2 Duo
>> laptop.  I think if you run under windows you will find it is similar.
>> Thermal shutdown temp is well over 100C.
>>
>> I think we should focus on users who are getting thermal shutdowns since
>> that is pretty much guaranteed to be a critical bug.  Temperatures which
>> are just "higher than I think they should be" are very difficult to
>> judge quantitatively.
>>
>> Andreas can you post some fan speed information?  Before thermal
>> shutdown of the machine what are the fans doing?
>>     
>
> How can I query the fan speed? /proc/acpi/fan is empty.
>
> Subjectivly, it's running fast, but no idea how fast in exact numbers.
>
> I've got powertop, temperature logs, and cpufreq logs.
>
> Interestingly, looking at the data it seems that 2.6.28 even crashed
> with the CPUs running at 800MHz.
>
> Andreas
>
>

-- 
Ubuntu 9.04 laptop overheat and shutdown
https://bugs.launchpad.net/bugs/370173
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