Hi, I have an HP pavilion dv6 1280us laptop with an AMD Turion X2 Ultra 64 bit processor and an ATI radeon graphics card.
The laptop is seriously overheating in ubuntu when the CPU is at 100% (usually when I run Handbrake, for example, but sometimes, even after a longer period of time of using it for non-CPU intensive things like browsing the web) which results in an "automatic" shutdown -- ie. the thing shuts down as if you cut power and then can't be turned on again for a while until it cools a little, I'm guessing.
It runs Ubuntu 10.04 64bit. The same thing does not happen in Windows. It is clearly not a hardware issue.
I've googled a lot and tried many things, like using the fglrx driver instead of the open source one which seems to have helped a little but it still overheats and shuts down sometimes.
Thanks in advance.
As a temporary solution, is it at least possible to "hard-code" the CPU frequency and disable scaling? ie. make it run at say 50% all the time?