diff --git a/html/graph.php b/html/graph.php
index a634b9833..3094e6a0d 100644
--- a/html/graph.php
+++ b/html/graph.php
@@ -21,6 +21,7 @@ if($_GET['debug']) {
   
   if($_GET['device']) {
     $_GET['id'] = $_GET['device'];
+    $device_id = $_GET['device'];
   } elseif($_GET['if']) {
     $_GET['id'] = $_GET['if'];
   } elseif($_GET['port']) {
diff --git a/includes/polling/device-unix.inc.php b/includes/polling/device-unix.inc.php
index 0ae9c9af5..c40db9d6d 100755
--- a/includes/polling/device-unix.inc.php
+++ b/includes/polling/device-unix.inc.php
@@ -29,8 +29,8 @@
         else if(strstr($sysDescr, "sparc64")) { $hardware = "Generic SPARC 64-bit"; }
         $cmd = $config['snmpget'] . " -m UCD-SNMP-MIB -O qv -" . $device['snmpver'] . " -c " . $device['community'] . " " . $device['hostname'].":".$device['port']. " .1.3.6.1.4.1.2021.7890.1.3.1.1.6.100.105.115.116.114.111";
         $features = trim(`$cmd`);
-        $features = str_replace("No Such Object available on this agent at this OID", "", $features);
         $features = str_replace("\"", "", $features);
+        if(preg_match("@No\ Such@", $features)||preg_match("@No\ such@", $features)) { unset($features); }
         // Detect Dell hardware via OpenManage SNMP
         $cmd = $config['snmpget'] . " -m MIB-Dell-10892 -O qv -" . $device['snmpver'] . " -c " . $device['community'] . " " . $device['hostname'].":".$device['port'] . " .1.3.6.1.4.1.674.10892.1.300.10.1.9.1";
         $hw = trim(str_replace("\"", "", `$cmd`));
diff --git a/includes/polling/ports.inc.php b/includes/polling/ports.inc.php
index 0ab72c065..6fa95920b 100755
--- a/includes/polling/ports.inc.php
+++ b/includes/polling/ports.inc.php
@@ -122,9 +122,10 @@
         if($port[$oid]) {
           $oid_diff = $this_port[$oid] - $port[$oid];
           $oid_rate  = $oid_diff / $polled_period;
+          if($oid_rate < 0) { $oid_rate = "0"; }
           $update .= ", `".$oid."_rate` = '".$oid_rate."'";
           $update .= ", `".$oid."_delta` = '".$oid_diff."'";
-          #echo("\n $oid ($oid_diff B) $oid_rate Bps $polled_period secs\n");
+          if($debug) {echo("\n $oid ($oid_diff B) $oid_rate Bps $polled_period secs\n");}
         }
       }
 
diff --git a/includes/polling/processors.inc.php b/includes/polling/processors.inc.php
index 351e4cbd8..1a18d71c0 100755
--- a/includes/polling/processors.inc.php
+++ b/includes/polling/processors.inc.php
@@ -28,7 +28,7 @@ while($processor = mysql_fetch_array($proc_data)) {
   }
 
   $proc = trim(str_replace("\"", "", $proc));
-  list($proc) = split(" ", $proc); 
+  list($proc) = preg_split("@\ @", $proc); 
 
   echo($proc . "%\n");
 
diff --git a/poll-device.php b/poll-device.php
index eca430419..14d0c513e 100755
--- a/poll-device.php
+++ b/poll-device.php
@@ -211,7 +211,7 @@ while ($device = mysql_fetch_array($device_query)) {
     eventlog("OS Version -> $version", $device['device_id']);
   }
 
-  if ( $features && $features != $device['features'] ) {
+  if ( $features != $device['features'] ) {
     $poll_update .= $poll_separator . "`features` = '$features'";
     $poll_separator = ", ";
     eventlog("OS Features -> $features", $device['device_id']);