diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c
index a446ea8f0525..0f705dbb062d 100644
--- a/sys/dev/acpica/acpi.c
+++ b/sys/dev/acpica/acpi.c
@@ -1685,14 +1685,14 @@ acpi_probe_order(ACPI_HANDLE handle, int *order)
      * 100000. CPUs
      */
     AcpiGetType(handle, &type);
-    if (acpi_MatchHid(handle, "PNP0C01") || acpi_MatchHid(handle, "PNP0C02"))
+    if (type == ACPI_TYPE_PROCESSOR)
 	*order = 1;
-    else if (acpi_MatchHid(handle, "PNP0C09"))
+    else if (acpi_MatchHid(handle, "PNP0C01") || acpi_MatchHid(handle, "PNP0C02"))
 	*order = 2;
-    else if (acpi_MatchHid(handle, "PNP0C0F"))
+    else if (acpi_MatchHid(handle, "PNP0C09"))
 	*order = 3;
-    else if (type == ACPI_TYPE_PROCESSOR)
-	*order = 100000;
+    else if (acpi_MatchHid(handle, "PNP0C0F"))
+	*order = 4;
 }
 
 /*
diff --git a/sys/dev/acpica/acpi_cpu.c b/sys/dev/acpica/acpi_cpu.c
index bbbd23926c2c..06c295481322 100644
--- a/sys/dev/acpica/acpi_cpu.c
+++ b/sys/dev/acpica/acpi_cpu.c
@@ -384,13 +384,31 @@ acpi_cpu_attach(device_t dev)
     /* Probe for Cx state support. */
     acpi_cpu_cx_probe(sc);
 
-    /* Finally,  call identify and probe/attach for child devices. */
-    bus_generic_probe(dev);
-    bus_generic_attach(dev);
-
     return (0);
 }
 
+static void
+acpi_cpu_postattach(void *unused __unused)
+{
+    device_t *devices;
+    int err;
+    int i, n;
+
+    err = devclass_get_devices(acpi_cpu_devclass, &devices, &n);
+    if (err != 0) {
+	printf("devclass_get_devices(acpi_cpu_devclass) failed\n");
+	return;
+    }
+    for (i = 0; i < n; i++)
+	bus_generic_probe(devices[i]);
+    for (i = 0; i < n; i++)
+	bus_generic_attach(devices[i]);
+    free(devices, M_TEMP);
+}
+
+SYSINIT(acpi_cpu, SI_SUB_CONFIGURE, SI_ORDER_MIDDLE,
+    acpi_cpu_postattach, NULL);
+
 /*
  * Disable any entry to the idle function during suspend and re-enable it
  * during resume.