diff --git a/doc/source/admin/drivers/intel-ipmi.rst b/doc/source/admin/drivers/intel-ipmi.rst
index 92806c8c1e..256ab15ce3 100644
--- a/doc/source/admin/drivers/intel-ipmi.rst
+++ b/doc/source/admin/drivers/intel-ipmi.rst
@@ -18,17 +18,15 @@ Intel SST-PP supports three configuration levels:
 * 2 - Intel SST-PP Config 2
 
 The following table shows the list of active cores and their base frequency at
-different SST-PP config levels::
+different SST-PP config levels:
 
- +-------------+---------+-------------------+
- |   Config    |  Cores  |  Base Freq (GHz)  |
- +=============+=========+===================+
- | Base        | 24      | 2.4               |
- +-------------+---------+-------------------+
- | Config 1    | 20      | 2.5               |
- +-------------+---------+-------------------+
- | Config 2    | 16      | 2.7               |
- +-------------+---------+-------------------+
+ ============== ========= ===================
+    Config       Cores      Base Freq (GHz)
+ ============== ========= ===================
+     Base         24             2.4
+   Config 1       20             2.5
+   Config 2       16             2.7
+ ============== ========= ===================
 
 This configuration is managed by the management interface ``intel-ipmitool``
 for IntelIPMI hardware.
@@ -95,7 +93,7 @@ A node with Intel SST-PP can be configured to use it via
 
 * ``intel_speedselect_config``:
   Hexadecimal code of Intel SST-PP configuration. Accepted values are
-  ['0x00', '0x01', '0x02']. These values correspond to
+  '0x00', '0x01', '0x02'. These values correspond to
   `Intel SST-PP Config Base`, `Intel SST-PP Config 1`,
   `Intel SST-PP Config 2` respectively. The input value must be a string.
 
diff --git a/ironic/drivers/modules/intel_ipmi/management.py b/ironic/drivers/modules/intel_ipmi/management.py
index 8661b494ef..ce31aa7797 100644
--- a/ironic/drivers/modules/intel_ipmi/management.py
+++ b/ironic/drivers/modules/intel_ipmi/management.py
@@ -42,7 +42,7 @@ class IntelIPMIManagement(ipmitool.IPMIManagement):
             socket_count = int(sockets)
             if socket_count <= 0:
                 raise ValueError
-        except ValueError:
+        except (ValueError, TypeError):
             raise exception.InvalidParameterValue(_(
                 "Invalid number of socket %(socket)s value specified. "
                 "Expected a positive integer.") % {"socket": sockets})
@@ -51,8 +51,8 @@ class IntelIPMIManagement(ipmitool.IPMIManagement):
         'intel_speedselect_config': {
             'description': (
                 "Hexadecimal code of Intel SST-PP configuration provided. "
-                "Input value should be string. Accepted values are "
-                "['0x00', '0x01', '0x02']. "
+                "Input value should be string. Accepted values are %s."
+                % ', '.join(INTEL_SST_PP_CONFIG_HEXA_CODES)
             ),
             'required': True
         },
@@ -70,17 +70,15 @@ class IntelIPMIManagement(ipmitool.IPMIManagement):
                   "for node %(node)s with socket count %(socket)s",
                   {"config": config, "node": task.node.uuid,
                    "socket": socket_count})
-        self._configure_intel_speed_select(task, config, socket_count)
-
-    def _configure_intel_speed_select(self, task, config, socket_count):
         iss_conf = "0x2c 0x41 0x04 0x00 0x0%s %s"
         for socket in range(socket_count):
             hexa_code = iss_conf % (socket, config)
             try:
                 ipmitool.send_raw(task, hexa_code)
             except exception.IPMIFailure as e:
-                msg = ("Failed to set Intel SST-PP configuration level "
-                       "%(cfg)s on socket number %(skt)s due to reason "
-                       "%(exc)s." % {"cfg": config, "skt": socket, "exc": e})
-                LOG.exception(msg)
+                msg = (_("Failed to set Intel SST-PP configuration level "
+                         "%(cfg)s on socket number %(skt)s due to "
+                         "reason %(exc)s.") % {"cfg": config,
+                                               "skt": socket, "exc": e})
+                LOG.error(msg)
                 raise exception.IPMIFailure(message=msg)
diff --git a/ironic/tests/unit/drivers/modules/intel_ipmi/test_management.py b/ironic/tests/unit/drivers/modules/intel_ipmi/test_management.py
index cb8a80d576..589906777d 100644
--- a/ironic/tests/unit/drivers/modules/intel_ipmi/test_management.py
+++ b/ironic/tests/unit/drivers/modules/intel_ipmi/test_management.py
@@ -64,11 +64,11 @@ class IntelIPMIManagementTestCase(base.IntelIPMITestCase):
         send_raw_mock.side_effect = exception.IPMIFailure('err')
         config = {"intel_speedselect_config": "0x02", "socket_count": 1}
         with task_manager.acquire(self.context, self.node.uuid) as task:
-            e = self.assertRaises(
+            self.assertRaisesRegex(
                 exception.IPMIFailure,
+                "Failed to set Intel SST-PP configuration",
                 task.driver.management.configure_intel_speedselect,
                 task, **config)
-            self.assertIn("Failed to set Intel SST-PP configuration", str(e))
 
     def test_configure_intel_speedselect_invalid_input(self):
         config = {"intel_speedselect_config": "0", "socket_count": 1}
@@ -77,10 +77,11 @@ class IntelIPMIManagementTestCase(base.IntelIPMITestCase):
                 exception.InvalidParameterValue,
                 task.driver.management.configure_intel_speedselect,
                 task, **config)
-
-        config = {"intel_speedselect_config": "0x00", "socket_count": -1}
-        with task_manager.acquire(self.context, self.node.uuid) as task:
-            self.assertRaises(
-                exception.InvalidParameterValue,
-                task.driver.management.configure_intel_speedselect,
-                task, **config)
+        for value in (-1, None):
+            config = {"intel_speedselect_config": "0x00",
+                      "socket_count": value}
+            with task_manager.acquire(self.context, self.node.uuid) as task:
+                self.assertRaises(
+                    exception.InvalidParameterValue,
+                    task.driver.management.configure_intel_speedselect,
+                    task, **config)