OK, you are on the good way! Again, as you can see, the torque log file messages are not very easy to understand. So, the message "pbs_mom.32530;Svr;get_cpuset_pidlist;/dev/cpuset/torque contains 0 PIDs" is beacause the cpuset virtual filesystem is not mounted. Simply mount it with : mount -t cpuset none /dev/cpuset and everything should work. Sebastien