--- zzzz-none-000/linux-2.6.28.10/kernel/sched.c	2009-05-02 18:54:43.000000000 +0000
+++ puma5-6360-529/linux-2.6.28.10/kernel/sched.c	2009-12-14 14:57:12.000000000 +0000
@@ -4746,9 +4746,9 @@
 static inline long __sched
 do_wait_for_common(struct completion *x, long timeout, int state)
 {
+    /*--- printk("entering do_wait_for_common timeout=%ld \n", timeout); ---*/
 	if (!x->done) {
 		DECLARE_WAITQUEUE(wait, current);
-
 		wait.flags |= WQ_FLAG_EXCLUSIVE;
 		__add_wait_queue_tail(&x->wait, &wait);
 		do {
@@ -4758,7 +4758,9 @@
 			}
 			__set_current_state(state);
 			spin_unlock_irq(&x->wait.lock);
-			timeout = schedule_timeout(timeout);
+            /*--- printk("before schedule_timeout\n"); ---*/
+			timeout = schedule_timeout(timeout); /* hier haengt er */
+            /*--- printk("schedule_timeout passed!\n"); ---*/
 			spin_lock_irq(&x->wait.lock);
 		} while (!x->done && timeout);
 		__remove_wait_queue(&x->wait, &wait);
@@ -4773,7 +4775,6 @@
 wait_for_common(struct completion *x, long timeout, int state)
 {
 	might_sleep();
-
 	spin_lock_irq(&x->wait.lock);
 	timeout = do_wait_for_common(x, timeout, state);
 	spin_unlock_irq(&x->wait.lock);