Hello, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> [2006-04-09]: > > > I have a simple kernel module with a 10 seconds loop in the > > init_module() function. This function should be preemptible because > > it's the insmod process in the init_module system call. > > > > But another process with SCHED_FIFO (prio 99) isn't run until the > > init function exits. > > First of all, what is your kernel version? And, are you sure you have > enabled the kernel level preemption (CONFIG_PREEMPT if I remember > correctly)? $ cat /proc/config.gz |gunzip -c|grep PREEMPT # CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set CONFIG_PREEMPT=y CONFIG_PREEMPT_BKL=y CONFIG_DEBUG_PREEMPT=y and version 2.6.15.6. Regards, Bernhard PS: Same effect in a write() syscall. -- Es wird Wagen geben, die von keinem Tier gezogen werden und mit unglaublicher Gewalt daherfahren. -- Leonardo da Vinci -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
