CPU Overheating Problem When Running 4 CPU Intensive Threads with Latest Untained Kernel

CPU Overheating Problem When Running 4 CPU Intensive Threads with Latest Untained Kernel

Shlomi Fish shlomif at shlomifish.org
Mon May 19 12:55:23 IDT 2014


Hi Efraim,

On Mon, 19 May 2014 10:19:23 +0300
Efraim Flashner <efraim.flashner at gmail.com> wrote:

> Also, nice -19 is higher priority than nice 19.
> 

No, it's not. When you run the "nice -19" it sets it to the lowest possible
priority. I see these processes in htop where the nice is set at 19 and I
cannot lower it at all.

> my netbook generally is in the mid 70s for temperature.  When doing
> something intensive, such as starting chrome or installing a new kernel
> (update-initramfs or rebuilding modules) it'll go up to 99C, and then
> go back down over time.  I have found that with the catalyst drivers my
> netbook runs cooler and uses less battery, but I haven't had it
> overheat and shutdown.  If it regularly is near the top of the thermal
> limit then you should be worried, but only occasionally shouldn't be a
> big deal.
> 
> I did have a laptop that when using 3/8 threads at 100% would pass its
> thermal limit and shutdown.  That one was clearly poorly designed.
> 

Ah, I see, thanks.

Regards,

	Shlomi Fish

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