--- zzzz-none-000/linux-2.6.28.10/drivers/char/tty_io.c	2009-05-02 18:54:43.000000000 +0000
+++ puma5-6360-529/linux-2.6.28.10/drivers/char/tty_io.c	2010-03-10 09:25:12.000000000 +0000
@@ -1891,6 +1891,7 @@
 static int tty_open(struct inode *inode, struct file *filp)
 {
 	int ret;
+    /*--- printk("tty opened by (%s)\n", current->comm); ---*/
 
 	lock_kernel();
 	ret = __tty_open(inode, filp);