--- 1.9/arch/um/kernel/skas/process_kern.c	Thu Jan  8 07:43:01 2004
+++ edited/arch/um/kernel/skas/process_kern.c	Sun Feb 15 10:42:31 2004
@@ -76,6 +76,7 @@
 
 void new_thread_proc(void *stack, void (*handler)(int sig))
 {
+       local_irq_disable();
 	init_new_thread_stack(stack, handler);
 	os_usr1_process(os_getpid());
 }