commit 7b7cae6ae5c543b8e9cc84fc041d9bce36e7b674
Author: Louis Rilling <louis.rilling@kerlabs.com>
Date:   Wed Jun 16 16:20:02 2010 +0200

    proc_flush_task() debug

diff --git a/kernel/exit.c b/kernel/exit.c
index ceffc67..be8cdb0 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -169,6 +169,14 @@ repeat:
 	atomic_dec(&__task_cred(p)->user->processes);
 	rcu_read_unlock();
 
+	if (task_pid(p)->level > 0) {
+		if (!thread_group_leader(p) || !is_container_init(p)) {
+			__set_current_state(TASK_UNINTERRUPTIBLE);
+			schedule_timeout(10 * HZ);
+		}
+		printk("release_task: %d/%d\n", p->pid, task_pid(p)->numbers[1].nr);
+	}
+
 	proc_flush_task(p);
 
 	write_lock_irq(&tasklist_lock);