New Linux

Link to this post 04 Mar 12

Yee Haa, we have Angry Birds!

O.K. new issue: The cooling fan on my laptop doesn't seem to work properly. I'm sure its a new issue since I installed Ubuntu, It just seem to run on slow all the time and I've had a couple of times that the computer has gone real slow then just shut down. and seemed real hot around the cooling fan. Also I installed the GKrellM System Monitor and cant get it to show the CPU temp.

Thanks for all your help so far.

Link to this post 11 Mar 12

Overheating. I've had the same problem on my system. You can monitor that with the lm_sensors package installed. The command to monitor system temperature as text is simply "sensors". You can also use the system monitor tool and add a tab that will happily chart the CPU and RAM thermal sensors for you. I do that on my 8 core system, and it has helped me fix an overheating problem. In any case, the fan issue is not unknown. Off hand, I know there is a solution, but I'm not sure what it is! FWIW, I am running another RedHat Enterprise 6.2 clone - Scientific Linux. Much the same as CentOS - RHEL with the copyrighted images swapped out for (IMO) cooler images of atoms and such.

And if you are interested, the reason I haven't dug into the solution (possibly a kernel configuration change) is that I was able to fix my RAM overheating problem by moving the SIMMs into alternating slots, thus giving them better air flow and less proximity to each other. That may, or may not, be an option for you. In any case, the lm_sensors data showed me that it was the RAM that was overheating, and once a SIMM would reach its maximum rating, it would be swapped out of use. Your motherboard may not allow that, but since I am using fully-buffered ECC RAM, mine can do that so it would keep working, but I would lose 2GB of capacity. After changing the slots the SIMMs were installed in, the problem has gone away, although I still monitor the temperature. When I run CPU/RAM intensive operations (like compiling a kernel on all 8 cores), the temperature spikes, but still remains in the "green" range.

Link to this post 11 Mar 12

Rubberman covered it again. I also use gkrellm, but you do need lm_sensors to help it find all the info. Once you install lm_sensors, you have to do sensors-detect in a terminal to write the module info to the gkrellm config file. But that's not what I came here to tell you about. (Heh)

I use Jupiter on my eeePC and on an older Dell XPS 13 laptop. Link here:

The Dell was not created very well, it's Intel Dual Core and the 2 Nvidia cards create problems with heat. With Jupiter, I can set the power consumption down to a power saver mode and it keeps the laptop cooler. I don't know if it's an answer for your problem, but it worth looking in to.

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