diff --git a/nova_powervm/tests/virt/powervm/test_vm.py b/nova_powervm/tests/virt/powervm/test_vm.py
index c09804f9..6f7ba6d1 100644
--- a/nova_powervm/tests/virt/powervm/test_vm.py
+++ b/nova_powervm/tests/virt/powervm/test_vm.py
@@ -300,8 +300,8 @@ class TestVM(test.TestCase):
         self.assertEqual(inst_info.cpu_time_ns, 0)
 
         # Check that we raise an exception if the instance is gone.
-        exc = pvm_exc.Error('Not found', response=FakeAdapterResponse(404))
-        self.apt.read.side_effect = exc
+        self.apt.read.side_effect = pvm_exc.HttpError(
+            mock.MagicMock(status=404))
         self.assertRaises(exception.InstanceNotFound,
                           inst_info.__getattribute__, 'state')
 
@@ -615,13 +615,16 @@ class TestVM(test.TestCase):
 
         resp = mock.MagicMock()
         resp.status = 404
-        self.apt.read.side_effect = pvm_exc.Error('message', response=resp)
+        self.apt.read.side_effect = pvm_exc.HttpError(resp)
         self.assertRaises(exception.InstanceNotFound, vm.get_vm_qp, self.apt,
                           'lpar_uuid', log_errors=False)
 
-        resp.status = 500
+        self.apt.read.side_effect = pvm_exc.Error("message", response=None)
+        self.assertRaises(pvm_exc.Error, vm.get_vm_qp, self.apt,
+                          'lpar_uuid', log_errors=False)
 
-        self.apt.read.side_effect = pvm_exc.Error('message', response=resp)
+        resp.status = 500
+        self.apt.read.side_effect = pvm_exc.Error("message", response=resp)
         self.assertRaises(pvm_exc.Error, vm.get_vm_qp, self.apt,
                           'lpar_uuid', log_errors=False)
 
diff --git a/nova_powervm/virt/powervm/vm.py b/nova_powervm/virt/powervm/vm.py
index 7eacd794..b1330a2e 100644
--- a/nova_powervm/virt/powervm/vm.py
+++ b/nova_powervm/virt/powervm/vm.py
@@ -529,11 +529,12 @@ def get_vm_qp(adapter, lpar_uuid, qprop=None, log_errors=True):
                 pass
             kwds['helpers'] = helpers
         resp = adapter.read(pvm_lpar.LPAR.schema_type, **kwds)
-    except pvm_exc.Error as e:
-        if e.response.status == 404:
+    except pvm_exc.HttpError as e:
+        # 404 error indicates the LPAR has been deleted (or moved to a
+        # different host)
+        if e.response and e.response.status == 404:
             raise exception.InstanceNotFound(instance_id=lpar_uuid)
         else:
-            LOG.exception(e)
             raise
 
     return jsonutils.loads(resp.body)