--- recepies/amt/serial-console.sh	2009/08/24 18:41:39	134
+++ recepies/amt/serial-console.sh	2009/08/25 17:48:56	135
@@ -2,11 +2,11 @@
 
 # add AMT serial console to inittab
 
-ttyS=`dmesg | grep ttyS | grep 0xe | sed 's/^.*\(ttyS[0-9]\).*$/\1/'`
+ttyS=`dmesg | grep ttyS | grep 0x | tail -1 | sed 's/^.*\(ttyS[0-9]\).*$/\1/'`
 
 test -z "$ttyS" && echo "Can't find serial port in dmesg output" && exit
 
-if ! grep ttyS1 /etc/inittab | grep -v ^# ; then
+if ! grep $ttyS /etc/inittab | grep -v ^# ; then
 	echo "Am:2345:respawn:/sbin/getty $ttyS 115200 vt100-nav" >> /etc/inittab
 	init q
 fi
@@ -16,6 +16,8 @@
 grub=/boot/grub/menu.lst
 tmp=/tmp/menu.lst
 
+test -f $grub || exit
+
 if ! grep '^# kopt=' $grub | grep console= ; then
 	cat $grub | sed "s/^\(# kopt=.*\)$/\1 console=$ttyS,115200 console=tty0/" > $tmp
 else