From 6446fba0302e8793678fd5fdc8305b6ad3b16a4a Mon Sep 17 00:00:00 2001
From: immarvin <yangsbj@cn.ibm.com>
Date: Tue, 18 Aug 2015 03:28:19 -0400
Subject: [PATCH] fix defect [DEV] Error: either "dev" is duplicate, or
 "virbr0" is a garbage." message on the 1st reboot after kvmhost installation
 #86

---
 xCAT/postscripts/xcatinstallpost | 28 +++++++++++++++++++---------
 1 file changed, 19 insertions(+), 9 deletions(-)

diff --git a/xCAT/postscripts/xcatinstallpost b/xCAT/postscripts/xcatinstallpost
index 7ad5766c0..aa92142f7 100755
--- a/xCAT/postscripts/xcatinstallpost
+++ b/xCAT/postscripts/xcatinstallpost
@@ -19,24 +19,34 @@ fi
 SLI=$(awk 'BEGIN{srand(); printf("%d\n",rand()*10)}')
 sleep $SLI
 
+
 MACADDR=`grep MACADDRESS= /xcatpost/mypostscript.post |awk -F = '{print $2}'|sed s/\'//g`
 INSTALLNIC=`ip -o link|grep -i $MACADDR|awk  '{print $2}'|sed s/://`
 
+
 #the nics have not been configured when running the PBS sometimes, need to make sure... 
 RETRY=0
-until ip -4 --oneline addr show dev $INSTALLNIC|grep inet >/dev/null
-do
-    sleep 2
-    RETRY=$[ $RETRY + 1 ]
-    if [ $RETRY -eq 90  ];then
-          msgutil_r "$MASTER_IP" "err" `date`" xcatinstallpost: Network not configured, please check..." "/var/log/xcat/xcat.log"
-          exit 1
-    fi
+while true; do
+      #scan the nics with the specified mac address
+      #there will be multiple nic names for a mac address when the network bridge exists
+      for nic in $INSTALLNIC ;do
+          #check whether the nic is configured and linkup
+          ip -4 --oneline addr show dev $nic |grep inet >/dev/null && exit 0
+      done
 
+      RETRY=$[ $RETRY + 1 ]
+
+      if [ $RETRY -eq 90 ];then
+         #timeout, complain and exit
+         msgutil_r "$MASTER_IP" "err" `date`" xcatinstallpost: Network not configured, please check..." "/var/log/xcat/xcat.log"
+         exit 1
+      fi
+      
+      #sleep sometime before the next scan  
+      sleep 2
 done
 
 
-
 cd /xcatpost; 
 PATH=/xcatpost:$PATH
 export PATH