diff --git a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java
index 1165556d5f4..869b66bd3d0 100644
--- a/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java
+++ b/plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java
@@ -222,9 +222,7 @@ public class LibvirtVMDef {
                         guestDef.append("<boot dev='" + bo + "'/>\n");
                     }
                 }
-                if (_arch == null || !_arch.equals("aarch64")) {
-                    guestDef.append("<smbios mode='sysinfo'/>\n");
-                }
+                guestDef.append("<smbios mode='sysinfo'/>\n");
                 guestDef.append("</os>\n");
                 if (iothreads) {
                     guestDef.append(String.format("<iothreads>%s</iothreads>", NUMBER_OF_IOTHREADS));
diff --git a/plugins/storage/volume/linstor/src/main/java/com/cloud/hypervisor/kvm/storage/LinstorStorageAdaptor.java b/plugins/storage/volume/linstor/src/main/java/com/cloud/hypervisor/kvm/storage/LinstorStorageAdaptor.java
index dd50c8d2214..d560c4ee806 100644
--- a/plugins/storage/volume/linstor/src/main/java/com/cloud/hypervisor/kvm/storage/LinstorStorageAdaptor.java
+++ b/plugins/storage/volume/linstor/src/main/java/com/cloud/hypervisor/kvm/storage/LinstorStorageAdaptor.java
@@ -235,6 +235,28 @@ public class LinstorStorageAdaptor implements StorageAdaptor {
         }
     }
 
+    /**
+     * Checks if the given resource is in use by drbd on any host and
+     * if so set the drbd option allow-two-primaries
+     * @param api linstor api object
+     * @param rscName resource name to set allow-two-primaries if in use
+     * @throws ApiException if any problem connecting to the Linstor controller
+     */
+    private void allow2PrimariesIfInUse(DevelopersApi api, String rscName) throws ApiException {
+        if (LinstorUtil.isResourceInUse(api, rscName)) {
+            // allow 2 primaries for live migration, should be removed by disconnect on the other end
+            ResourceDefinitionModify rdm = new ResourceDefinitionModify();
+            Properties props = new Properties();
+            props.put("DrbdOptions/Net/allow-two-primaries", "yes");
+            rdm.setOverrideProps(props);
+            ApiCallRcList answers = api.resourceDefinitionModify(rscName, rdm);
+            if (answers.hasError()) {
+                s_logger.error("Unable to set 'allow-two-primaries' on " + rscName);
+                // do not fail here as adding allow-two-primaries property is only a problem while live migrating
+            }
+        }
+    }
+
     @Override
     public boolean connectPhysicalDisk(String volumePath, KVMStoragePool pool, Map<String, String> details)
     {
@@ -261,16 +283,7 @@ public class LinstorStorageAdaptor implements StorageAdaptor {
 
         try
         {
-            // allow 2 primaries for live migration, should be removed by disconnect on the other end
-            ResourceDefinitionModify rdm = new ResourceDefinitionModify();
-            Properties props = new Properties();
-            props.put("DrbdOptions/Net/allow-two-primaries", "yes");
-            rdm.setOverrideProps(props);
-            ApiCallRcList answers = api.resourceDefinitionModify(rscName, rdm);
-            if (answers.hasError()) {
-                s_logger.error("Unable to set 'allow-two-primaries' on " + rscName);
-                // do not fail here as adding allow-two-primaries property is only a problem while live migrating
-            }
+            allow2PrimariesIfInUse(api, rscName);
         } catch (ApiException apiEx) {
             s_logger.error(apiEx);
             // do not fail here as adding allow-two-primaries property is only a problem while live migrating
diff --git a/plugins/storage/volume/linstor/src/main/java/org/apache/cloudstack/storage/datastore/util/LinstorUtil.java b/plugins/storage/volume/linstor/src/main/java/org/apache/cloudstack/storage/datastore/util/LinstorUtil.java
index 33cbea0996d..8c42bdc2a96 100644
--- a/plugins/storage/volume/linstor/src/main/java/org/apache/cloudstack/storage/datastore/util/LinstorUtil.java
+++ b/plugins/storage/volume/linstor/src/main/java/org/apache/cloudstack/storage/datastore/util/LinstorUtil.java
@@ -24,6 +24,7 @@ import com.linbit.linstor.api.model.ApiCallRc;
 import com.linbit.linstor.api.model.ApiCallRcList;
 import com.linbit.linstor.api.model.Node;
 import com.linbit.linstor.api.model.ProviderKind;
+import com.linbit.linstor.api.model.Resource;
 import com.linbit.linstor.api.model.ResourceGroup;
 import com.linbit.linstor.api.model.ResourceWithVolumes;
 import com.linbit.linstor.api.model.StoragePool;
@@ -183,4 +184,22 @@ public class LinstorUtil {
             throw new CloudRuntimeException(apiEx);
         }
     }
+
+    /**
+     * Check if any resource of the given name is InUse on any host.
+     *
+     * @param api developer api object to use
+     * @param rscName resource name to check in use state.
+     * @return True if a resource found that is in use(primary) state, else false.
+     * @throws ApiException forwards api errors
+     */
+    public static boolean isResourceInUse(DevelopersApi api, String rscName) throws ApiException {
+        List<Resource> rscs = api.resourceList(rscName, null, null);
+        if (rscs != null) {
+            return rscs.stream()
+                    .anyMatch(rsc -> rsc.getState() != null && Boolean.TRUE.equals(rsc.getState().isInUse()));
+        }
+        s_logger.error("isResourceInUse: null returned from resourceList");
+        return false;
+    }
 }
diff --git a/server/src/main/java/com/cloud/network/IpAddressManagerImpl.java b/server/src/main/java/com/cloud/network/IpAddressManagerImpl.java
index b5908935350..0178236a21a 100644
--- a/server/src/main/java/com/cloud/network/IpAddressManagerImpl.java
+++ b/server/src/main/java/com/cloud/network/IpAddressManagerImpl.java
@@ -353,6 +353,9 @@ public class IpAddressManagerImpl extends ManagerBase implements IpAddressManage
                 if (possibleAddr.getState() != State.Free) {
                     continue;
                 }
+                if (s_logger.isDebugEnabled()) {
+                    s_logger.debug(String.format("trying ip address %s", possibleAddr.getAddress()));
+                }
                 possibleAddr.setSourceNat(sourceNat);
                 possibleAddr.setAllocatedTime(new Date());
                 possibleAddr.setAllocatedInDomainId(owner.getDomainId());
@@ -367,15 +370,9 @@ public class IpAddressManagerImpl extends ManagerBase implements IpAddressManage
                     possibleAddr.setAssociatedWithNetworkId(guestNetworkId);
                     possibleAddr.setVpcId(vpcId);
                 }
-                if (_ipAddressDao.lockRow(possibleAddr.getId(), true) != null) {
-                    final IPAddressVO userIp = _ipAddressDao.findById(possibleAddr.getId());
-                    if (userIp.getState() == State.Free) {
-                        possibleAddr.setState(State.Allocating);
-                        if (_ipAddressDao.update(possibleAddr.getId(), possibleAddr)) {
-                            finalAddress = possibleAddr;
-                            break;
-                        }
-                    }
+                finalAddress = assignIpAddressWithLock(possibleAddr);
+                if (finalAddress != null) {
+                    break;
                 }
             }
 
@@ -397,6 +394,29 @@ public class IpAddressManagerImpl extends ManagerBase implements IpAddressManage
         });
     }
 
+    private IPAddressVO assignIpAddressWithLock(IPAddressVO possibleAddr) {
+        IPAddressVO finalAddress = null;
+        IPAddressVO userIp = _ipAddressDao.acquireInLockTable(possibleAddr.getId());
+        if (userIp != null) {
+            if (s_logger.isDebugEnabled()) {
+                s_logger.debug(String.format("locked row for ip address %s (id: %s)", possibleAddr.getAddress(), possibleAddr.getUuid()));
+            }
+            if (userIp.getState() == State.Free) {
+                possibleAddr.setState(State.Allocating);
+                if (_ipAddressDao.update(possibleAddr.getId(), possibleAddr)) {
+                    s_logger.info(String.format("successfully allocated ip address %s", possibleAddr.getAddress()));
+                    finalAddress = possibleAddr;
+                }
+            } else {
+                if (s_logger.isDebugEnabled()) {
+                    s_logger.debug(String.format("locked ip address %s is not free (%s)", possibleAddr.getAddress(), userIp.getState()));
+                }
+            }
+            _ipAddressDao.releaseFromLockTable(possibleAddr.getId());
+        }
+        return finalAddress;
+    }
+
     @Override
     public boolean configure(String name, Map<String, Object> params) {
         // populate providers