--- linux-2.6.20-magellan-r1/kernel/sched.c	2007-03-11 13:06:14.000000000 +0100
+++ linux-2.6.20-magellan-r1/kernel/sched.c.patched	2007-03-11 13:09:25.000000000 +0100
@@ -3407,7 +3407,7 @@
 	queue = rq->queue + idx;
 	next = list_entry(queue->next, struct task_struct, run_list);
 
-	if (dependent_sleeper(cpu, rq, next))
+	if (rq->nr_running == 1 && dependent_sleeper(cpu, rq, next))
 		next = rq->idle;
 	else {
 		prefetch(next);
@@ -3425,7 +3425,7 @@
 	sched_info_switch(prev, next);
 	if (likely(prev != next)) {
 		rq->preempted = rq->cache_ticks = 0;
-		next->timestamp = now;
+		next->timestamp = next->last_ran = now;
 		rq->nr_switches++;
 		rq->curr = next;
 		++*switch_count;