Alexey Starikovskiy a écrit :
Please take a look at bugzilla.kernel.org #5534, 2.6.21 or later
kernels should not have this problem.
I installed Ubuntu 7.04 to my hp nc6120 laptop. After working with the
laptop for a while (changing with the load on the system) for
example archiving an ~700MB directory, the system is overheating (i
mean really hot) and shutting down automatically.
I searched the problem on the Ubuntu forums, Linux kernel mailing
list, Linux acpi mailing list, ... There have been so many questions
and bug entries for this problem since 2005. But i can't find the
solution yet. Is there any solution to solve the overheating problem?
Didn't try 2.6.21 kernel (2.6.20 only). Don't know if you've read this :
https://launchpad.net/ubuntu/+bug/22336 => Ubuntu's overheating is a
known problem since at least 09/2005, but doesn't seem important enough
so Ubuntu's developpers accord much interest on it... (Must be
disparaging... ;-) )
I don't know if this will help, but on my girlfriend HP laptop, I was
able to workaround this Ubuntu bug by forcing thermal polling :
su
echo 2 > /proc/acpi/thermal/TH*/polling_frequency
Then the laptop still overheated, but tried to cool it passively before
it was to late, so that it didn't freeze or shut down.
You could also try to change thermal trip points (have a look on the
last section of http://acpi.sourceforge.net/documentation/thermal.html
but be aware that Len Brown DOES NOT LIKE this way of fixing thing (his
point of vue is explained on this topic :
http://lkml.org/lkml/2007/5/16/310)).
Hope this helped... If not and neither 2..21 kernel, just add your
testimony on Ubuntu's bug report and try another distro... ;-)
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