diff --git a/perl-xCAT/xCAT/FSPflash.pm b/perl-xCAT/xCAT/FSPflash.pm
index 3cd303eb1..ead7bad76 100644
--- a/perl-xCAT/xCAT/FSPflash.pm
+++ b/perl-xCAT/xCAT/FSPflash.pm
@@ -214,24 +214,24 @@ sub process_node {
 	}
        
 	print "in process_node1, node $node\n";
-	print Dumper($node);
+    #print Dumper($node);
 	my $ent = $tab->getNodeAttribs($node, ['serial', 'mtm']);	
-	print "in process_node\n";
-	print Dumper($ent);
+	#print "in process_node\n";
+    #print Dumper($ent);
 
 	my $serial = $ent->{'serial'};
 	my $mtm	   = $ent->{'mtm'};
 	#################################
 	#Get node
 	#################################
-	print "in get_related_fsp_bpa(), serial = $serial, mtm= $mtm\n";
+    #print "in get_related_fsp_bpa(), serial = $serial, mtm= $mtm\n";
 	my @ents = $tab->getAllAttribsWhere("serial=\"$serial\" and mtm=\"$mtm\"", 'node');
 	if (@ents < 0) {
 		$msg = "failed to get the FSPs or BPAs whose mtm is $mtm, serial is $serial!";
 		return ("", $msg);
 	}
 	my $e;
-	print Dumper(@ents);
+	#print Dumper(@ents);
 	foreach $e (@ents) {
 		if($e->{node} ne $node) {
 #			push @{$req->{node}},$e->{node};
diff --git a/perl-xCAT/xCAT/FSPpower.pm b/perl-xCAT/xCAT/FSPpower.pm
index 9daa698f2..94433df27 100644
--- a/perl-xCAT/xCAT/FSPpower.pm
+++ b/perl-xCAT/xCAT/FSPpower.pm
@@ -57,8 +57,8 @@ sub powercmd_boot {
        }
        
        my $res = xCAT::Utils::fsp_api_action ($node_name, $d, "state");
-	   print "In boot, state\n";
-	   print Dumper($res);
+       #print "In boot, state\n";
+       #print Dumper($res);
        my $Rc = @$res[2];
        my $data = @$res[1];
        #my $type = @$d[4];
@@ -76,7 +76,7 @@ sub powercmd_boot {
        # Convert state to on/off
        ##################################
        my $state = power_status($data);
-	   print "boot:state:$state\n";
+       #print "boot:state:$state\n";
        my $op    = ($state =~ /^off$/) ? "on" : "reset";
        $res = xCAT::Utils::fsp_api_action ($node_name, $d, $op);
 	
@@ -106,8 +106,8 @@ sub powercmd {
     my @output;
     my $action  =  $request->{'op'}; 
     
-    print "++++in powercmd++++\n";   
-    print Dumper($hash);
+    #print "++++in powercmd++++\n";   
+    #print Dumper($hash);
     
     ####################################
     # Power commands are grouped by cec or lpar 
diff --git a/perl-xCAT/xCAT/Utils.pm b/perl-xCAT/xCAT/Utils.pm
index 97ce5744f..c6e885b50 100644
--- a/perl-xCAT/xCAT/Utils.pm
+++ b/perl-xCAT/xCAT/Utils.pm
@@ -5508,8 +5508,8 @@ sub fsp_api_action {
     my $password    = $myhash{$fsp_name}{"passwd.HMC"};
     #print "fspname:$fsp_name password:$password\n";
     if(!$password ) {
-	$res = "The password.hscroot of $fsp_name in ppcdirect table is empty";
-	return ([$node_name, $res, -1]);
+	   $res = "The password.HMC of $fsp_name in ppcdirect table is empty";
+	   return ([$node_name, $res, -1]);
     }
     my $user = "HMC";
     #my $user = "hscroot";
@@ -5541,8 +5541,8 @@ sub fsp_api_action {
         return ([$node_name, $res, -1]);	
     }
 	
-    print "fsp name: $fsp_name\n";
-    print "fsp ip: $fsp_ip\n";
+    #print "fsp name: $fsp_name\n";
+    #print "fsp ip: $fsp_ip\n";
     
     my $cmd;
     if( $action =~ /^code_update$/) { 
@@ -5551,8 +5551,8 @@ sub fsp_api_action {
         $cmd = "$fsp_api -a $action -u $user -p $password -T $tooltype -t $type:$fsp_ip:$id:$node_name:";
     }
 
-    print "cmd: $cmd\n"; 
-    $SIG{CHLD} = (); 
+    #print "cmd: $cmd\n"; 
+    $SIG{CHLD} = 'DEFAULT'; 
     $res = xCAT::Utils->runcmd($cmd, -1);
     #$res = "good"; 
     $Rc = $::RUNCMD_RC;