diff --git a/xCAT-server/sbin/xcatd b/xCAT-server/sbin/xcatd
index 772aadca4..c58f698ed 100755
--- a/xCAT-server/sbin/xcatd
+++ b/xCAT-server/sbin/xcatd
@@ -1702,20 +1702,23 @@ sub service_connection {
     my $request;
     my $req=undef;
     my $line;
-    my $flags=fcntl($sock,F_GETFL,0);
-    $flags |= O_NONBLOCK; #we want sysread to bail on us, select seems to be evil to us still..
-    fcntl($sock,F_SETFL,$flags);
     my $clientsel = new IO::Select;
     $clientsel->add($sock);
     while (1) {
       $line="";
       unless ($clientsel->can_read(15)) { last; } #don't let an unresponsive client hold us up
+    	my $flags=fcntl($sock,F_GETFL,0);
+	    $flags |= O_NONBLOCK; #we want sysread to bail on us, select seems to be evil to us still..
+	    fcntl($sock,F_SETFL,$flags);
       my $bytesread;
       do  { $bytesread=sysread($sock,$line,65536,length($line)) } while ($bytesread);
       if (length($line)==0) {
 	      if (not defined $bytesread and $! == EAGAIN) { next; } #
 	      last;
       }
+    	my $flags=fcntl($sock,F_GETFL,0);
+	    $flags &= ~O_NONBLOCK; #now we want *print* to be blocking IO
+	    fcntl($sock,F_SETFL,$flags);
       $request .= $line;
       #$req = eval { XMLin($request, ForceArray => [ 'attribute' , 'attributepair' ]) };
       if ($line =~ m/<\/xcatrequest>/) {