--- init/main.c

+++ init/main.c

@@ -407,16 +407,24 @@ static void __init setup_command_line(ch

* gcc-3.4 accidentally inlines this function, so use noinline.

*/

+static __initdata DECLARE_COMPLETION(kthreadd_done);

+

static noinline void __init_refok rest_init(void)

__releases(kernel_lock)

{

int pid;

rcu_scheduler_starting();

+ /*

+ * We need to spawn init first so that it obtains pid-1, however

+ * the init task will end up wanting to create kthreads, which, if

+ * we schedule it before we create kthreadd, will OOPS.

+ */

kernel_thread(kernel_init, NULL, CLONE_FS | CLONE_SIGHAND);

numa_default_policy();

pid = kernel_thread(kthreadd, NULL, CLONE_FS | CLONE_FILES);

kthreadd_task = find_task_by_pid_ns(pid, &init_pid_ns);

+ complete(&kthreadd_done);

unlock_kernel();

/*

@@ -843,6 +851,10 @@ static noinline int init_post(void)

static int __init kernel_init(void * unused)

{

+ /*

+ * Wait until kthreadd is all set-up.

+ */

+ wait_for_completion(&kthreadd_done);

lock_kernel();

/*