Ivan Voras wrote: > > PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND > 39 root 1 -44 -163 0K 8K pgzero 1 772:59 18.41% pagezero It looks like the pagezero thread has a wrong priority. It should be 171 . I guess there's a bug in the scheduler that makes it change in certain conditions. -- Suleiman