Dear all, several users have reported hardware failures with clonezilla due to thermal problems, in particular with notebooks (see [1-3]). I also have seen these issues with my HP 2540p laptop. It seems that the cooling system of some notebooks is insufficient when the system is run at full CPU load for an extended period of time (this can be minutes, hours, or even days before a shut down to prevent overheating will occur).
Since up to now no solution has been posted here, I'll explain how I solved the thermal problems for me. A possible solution is to set the CPU to a fixed, lower operating frequency using cpufreq-set from cpufrequtils (which is installed by default). This effectively reduces heat at the cost of a (relatively small) performance penalty. Specifically, what I did was (for a system with 4 CPUs): $ sudo cpufreq-set -c 0 -f 1600MHz $ sudo cpufreq-set -c 1 -f 1600MHz $ sudo cpufreq-set -c 2 -f 1600MHz $ sudo cpufreq-set -c 3 -f 1600MHz This worked for me and it should work with all reasonably modern CPUs. The current settings and the available frequency steps can be read using $ cpufreq-info A few remarks: cpufreq-set automatically rounds the specified frequency to the "nearest" available operating frequency (my laptop CPU, e.g., has a minimum frequency of 1.2 GHz and a maximum frequency of 2.53 GHz with 11 steps in total). However, I have observed that the rounding sometimes does not work if -f specifies exactly one of the available frequencies (then the next higher frequency might be used instead which seems to be a bug of cpufreq-set). Using the above commands, the CPU runs at a fixed frequency until changed again or until the next restart. Changes made by cpufreq-set are not permanent, i.e., the changes are lost if the system is rebooted. Another way to prevent overheating could be to use "cpulimit", but I find it less suited for this particular use case and the corresponding package is not installed by default. @Steven: I could provide a patch for clonezilla-live to include this in the expert options. However, we should think about how to implement this best. Cheers, Andreas [1] http://sourceforge.net/tracker/?func=detail&aid=3090553&group_id=115473&atid=671650 [2] http://sourceforge.net/projects/clonezilla/forums/forum/663168/topic/3903931 [3] http://sourceforge.net/projects/clonezilla/forums/forum/394751/topic/3877156
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