Hello Nish... > I will try to answer the one I know about. Thanks...I really appreciate your help... > Those apps are broken in a 2.6 environment. This is a well-known > issue and the behavioral change in sched_yield() was announced during > the 2.5 cycle (3 years ago now, I believe). Its use as a preemption > method is broken, IOW. Hmm... so, what is the preferred way of doing user-space voluntary preemption now in 2.6? I heard somewhere, OpenOffice still intensively use sched_yield() or the similar procedure.... regards Mulyadi -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/