Hi, You cannot allocate memory in real time threads RTLinux's threads. You have to do it in the init_module function and pass the meory pointer to threads as parameter. Can you tell exactly what problem are you facing? niTin - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html