"found SMP MP-table at 000f66d0" "CPU: Hyper-Threading is disabled" Try enabling hyperthreading in the bios and or with hyperthreading disbled in the bios boot with "apci=off" as a kernel parameter. -- Adam Hough High Performance Computing Computing Services Center 200 225-578-7202 fax: 225-578-6400 ahough at lsu.edu