--- zzzz-none-000/linux-2.6.28.10/drivers/serial/serial_core.c	2009-05-02 18:54:43.000000000 +0000
+++ puma5-6360-529/linux-2.6.28.10/drivers/serial/serial_core.c	2010-03-09 12:51:36.000000000 +0000
@@ -113,6 +113,8 @@
 static void uart_tasklet_action(unsigned long data)
 {
 	struct uart_state *state = (struct uart_state *)data;
+    /*--- printk(KERN_ERR "[%d:%s/%d] tty_wakeup %s\n", ---*/ 
+                /*--- smp_processor_id(), __FUNCTION__, __LINE__, state->info->port.tty->name); ---*/
 	tty_wakeup(state->info->port.tty);
 }