I could successfully increase HZ value to 2000. After I increased HZ to 4000 and kernel freeze at follwoing point .... ........ ........ Total of 4 processors activated (17498.11 BogoMIPS). ENABLING IO-APIC IRQs ..TIMER: vector=0x31 pin1=2 pin2=-1 Any Idea ....??? -- Tharindu Rukshan Bamunuarachchi all fabrications are subject to decay -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/