B OpenNebula#3230 Fails when trying to migrate a VM with PCI devices …

…without poweroff flag

src/lcm/LifeCycleActions.cc

@@ -228,6 +228,16 @@ void  LifeCycleManager::migrate_action(const LCMAction& la)
         return;
     }
 
+    vm->get_requirements(cpu, mem, disk, pci);
+
+    if (pci.size() > 0)
+    {
+        vm->log("LCM", Log::ERROR, "migrate_action, a VM with PCI devices attached can only be migrated via poweroff");
+        vm->unlock();
+
+        return;
+    }
+
     if (vm->get_state()     == VirtualMachine::ACTIVE &&
         vm->get_lcm_state() == VirtualMachine::RUNNING)
     {
@@ -254,8 +264,6 @@ void  LifeCycleManager::migrate_action(const LCMAction& la)
 
         vm->set_resched(false);
 
-        vm->get_requirements(cpu, mem, disk, pci);
-
         hpool->add_capacity(vm->get_hid(), vm->get_oid(), cpu, mem, disk, pci);
 
         vm->set_stime(the_time);
@@ -334,8 +342,6 @@ void  LifeCycleManager::migrate_action(const LCMAction& la)
 
         vm->reset_info();
 
-        vm->get_requirements(cpu, mem, disk, pci);
-
         if ( vm->get_hid() != vm->get_previous_hid() )
         {
             hpool->del_capacity(vm->get_previous_hid(), vm->get_oid(), cpu, mem,