initscripts greps for CPUs in /proc/stat incorrectly. The file /etc/rc.d/rc.local performs a NUMPROC=`grep -cl "^cpu[0-9]+" /proc/stat` which should probably be: NUMPROC=`grep -c "cpu[0-9]" /proc/stat` as otherwise you just get NUMPROC=0 unless you have >10 CPUs.
Fixed in the errata initscripts.