noworries

BTW, I don't think that works in linux. Seems to me that linux version does not pay attention to that variable. Whatever you do it goes: Illegal instruction.

It was because of the -n option to mantra. I set it to 2 and both cpus are working, guy cleared that up for me on odforum.

Thanks for having interest in my problem.

Is H using Hyperthreading. I get only 50% CPU usage during mantra render on a PIV 2.4 GHz.