okay, here is the data you have been waiting for... but first thing to know is that I have put my laptop on a stand to increase airflow, thus it's over-all temperature is now about 3 degrees cooler than the above observations. none-the-less even with better airflow it still hit 96c and climbing, at 100% load, before I stopped it.
I wrote a program to record the temperature and cpu load data, which I will attach below. But let me just give you the bottom line here. There is no difference between running the generic kernel and the low latency kernel. There is minor difference between 10.10 and 12.04 There is a huge difference between 12.04 and 12.10. On 12.10 I tried both low latency and generic, I also tried all 3 of the available video drivers. I did not see any signifigant difference with any of these combinations. Since I no longer have 12.10 installed I can't show you the data. However the preformance of 12.10 is essentially identical to 13.04 and I do have the data for 13.04. Except that on 13.04 when I tried to install alternate video drivers it hung. So I could only test with the xorg driver. Temperature preformance of 12.04 is a little bit higher than 10.10 but is satisfactory. On the other hand 12.10 and 13.04 are dramatically hotter. Under max load 12.04 never gets above 82c, under light load it is typically in the low 60's. By contrast, 12.10 and 13.04 seldom get cooler than 80c and easily reach the 90s. Which is dangerously close to hardware destruction. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1166916 Title: temperature overheating probably radeon To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lowlatency/+bug/1166916/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
