I had been suffering from this bug for quite some time until now.
I have a hp pavilion ze5170 notebook with a p4 at 2ghz running ubuntu
7.04. I kept getting the message that critical temp hit, and that
powernowd could not be started, just like many of you have. I tried
stopping powernowd and setting trip points, as well as using ondemand.
None of that worked for me. Well actually it had worked the first night
I tried it but after restart, and even after doing all the steps over
again at startup, and writing startup scripts, it would shutdown and
give me that same error.
Now however I have found the solution. At least for my computer I
have. I used the synaptic package manager and installed powersave.
Doing this it had to uninstall powernowd and apmd. Now using a temp
monitor called computertemp I see that my laptop is constantly at 45C
and my cpu is maxed at 2.0 at all times. I can play UT on wine for as
long as I want without shutdown, and watching videos was no problem. My
temp now maxes out at 63C and even then it only just touches 63 then
it's back to 62 and below.
There is one problem with this solution however. After restarting
my computer it took almost 15 minutes for ubuntu to fully start up
again. Everything works yet, however it's just a little bit slower to
open new programs. I believe it had something to do with ununtu's
desktop needing apmd, but I havn't tried reinstalling it. I figure that
as long as the major bug is out of the way I'll have time to fix the
others that may come up, since my computer doesn't restart every 5
minutes now.
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CPU overheats during high usage "throttling <not supported>"
https://bugs.launchpad.net/bugs/22336
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