diff --git a/agent/src/com/cloud/agent/resource/computing/KVMGuestOsMapper.java b/agent/src/com/cloud/agent/resource/computing/KVMGuestOsMapper.java
index ff148409dd2..4bf5f7ff63a 100644
--- a/agent/src/com/cloud/agent/resource/computing/KVMGuestOsMapper.java
+++ b/agent/src/com/cloud/agent/resource/computing/KVMGuestOsMapper.java
@@ -120,6 +120,10 @@ public class KVMGuestOsMapper {
 		s_mapper.put("Windows 95", "Windows 95");
 		s_mapper.put("Windows NT 4", "Windows NT");
 		s_mapper.put("Windows 3.1", "Windows 3.1");
+		s_mapper.put("Windows PV", "Other PV");
+		s_mapper.put("Other PV (32-bit)", "Other PV");
+		s_mapper.put("Other PV (64-bit)", "Other PV");
+
 	}
 	
 	public static String getGuestOsName(String guestOsName) {
diff --git a/agent/src/com/cloud/agent/resource/computing/LibvirtComputingResource.java b/agent/src/com/cloud/agent/resource/computing/LibvirtComputingResource.java
index e1e1a5ae33e..61e1943e55f 100644
--- a/agent/src/com/cloud/agent/resource/computing/LibvirtComputingResource.java
+++ b/agent/src/com/cloud/agent/resource/computing/LibvirtComputingResource.java
@@ -2301,7 +2301,7 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
 
 			s_logger.debug("starting " + vmName + ": " + vm.toString());
 			startDomain(conn, vmName, vm.toString());
-			
+			Script.runSimpleBashScript("virsh schedinfo " + vmName + " --set cpu_shares=" + vmSpec.getCpus() * vmSpec.getSpeed());
 			
             NicTO[] nics = vmSpec.getNics();
             for (NicTO nic : nics) {
diff --git a/setup/db/templates.sql b/setup/db/templates.sql
index c2a97c816c3..399a3550165 100755
--- a/setup/db/templates.sql
+++ b/setup/db/templates.sql
@@ -188,6 +188,7 @@ INSERT INTO `cloud`.`guest_os` (id, category_id, display_name) VALUES (156, 10,
 INSERT INTO `cloud`.`guest_os` (id, category_id, display_name) VALUES (157, 10, 'Ubuntu 10.10 (64-bit)');
 INSERT INTO `cloud`.`guest_os` (id, category_id, display_name) VALUES (158, 9, 'Sun Solaris 11 (64-bit)');
 INSERT INTO `cloud`.`guest_os` (id, category_id, display_name) VALUES (159, 9, 'Sun Solaris 11 (32-bit)');
+INSERT INTO `cloud`.`guest_os` (id, category_id, display_name) VALUES (160, 6, 'Windows PV');
 
 INSERT INTO `cloud`.`guest_os` (id, category_id, display_name) VALUES (200, 1, 'Other CentOS (32-bit)');
 INSERT INTO `cloud`.`guest_os` (id, category_id, display_name) VALUES (201, 1, 'Other CentOS (64-bit)');