diff -up olpc-utils-1.0.13/etc/event.d/ttyS0.new olpc-utils-1.0.13/etc/event.d/ttyS0
--- olpc-utils-1.0.13/etc/event.d/ttyS0.new	2009-12-09 16:59:32.000000000 -0500
+++ olpc-utils-1.0.13/etc/event.d/ttyS0	2009-12-09 16:59:38.000000000 -0500
@@ -1,14 +1,9 @@
 # ttyS0
 
-start on stopped rc2
-start on stopped rc3
-start on stopped rc4
-start on started prefdm
+start on stopped rc RUNLEVEL=[2345]
 
-stop on runlevel 0
-stop on runlevel 1
-stop on runlevel 6
+stop on runlevel [016]
 
 respawn
-exec agetty -L -l /bin/bash -w -n ttyS0 115200 vt100
+exec /sbin/agetty -L -l /bin/bash -w -n ttyS0 115200 vt100