Hi, raja wrote: > spin_lock(&my_lock); > int i=0; > for(i=1;i<1000000;i++) > { > schedule(); Don't call schedule() while holding your spinlock. Sincerly, Thomas -- Thomas Petazzoni thomas.petazzoni@xxxxxxxx -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/