diff --git a/hw/acpi/acpi-pci-hotplug-stub.c b/hw/acpi/acpi-pci-hotplug-stub.c
index 734e4c5986..a43f6dafc9 100644
--- a/hw/acpi/acpi-pci-hotplug-stub.c
+++ b/hw/acpi/acpi-pci-hotplug-stub.c
@@ -41,7 +41,3 @@ void acpi_pcihp_reset(AcpiPciHpState *s, bool acpihp_root_off)
     return;
 }
 
-bool vmstate_acpi_pcihp_use_acpi_index(void *opaque, int version_id)
-{
-    return false;
-}
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index 6351bd3424..bf65bbea49 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -554,12 +554,6 @@ void acpi_pcihp_init(Object *owner, AcpiPciHpState *s, PCIBus *root_bus,
                                    OBJ_PROP_FLAG_READ);
 }
 
-bool vmstate_acpi_pcihp_use_acpi_index(void *opaque, int version_id)
-{
-     AcpiPciHpState *s = opaque;
-     return s->acpi_index;
-}
-
 const VMStateDescription vmstate_acpi_pcihp_pci_status = {
     .name = "acpi_pcihp_pci_status",
     .version_id = 1,
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index cc37fa3416..fe5625d07a 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -82,6 +82,7 @@ struct PIIX4PMState {
     AcpiPciHpState acpi_pci_hotplug;
     bool use_acpi_hotplug_bridge;
     bool use_acpi_root_pci_hotplug;
+    bool not_migrate_acpi_index;
 
     uint8_t disable_s3;
     uint8_t disable_s4;
@@ -267,6 +268,16 @@ static bool piix4_vmstate_need_smbus(void *opaque, int version_id)
     return pm_smbus_vmstate_needed();
 }
 
+/*
+ * This is a fudge to turn off the acpi_index field,
+ * whose test was always broken on piix4 with 6.2 and older machine types.
+ */
+static bool vmstate_test_migrate_acpi_index(void *opaque, int version_id)
+{
+    PIIX4PMState *s = PIIX4_PM(opaque);
+    return s->use_acpi_hotplug_bridge && !s->not_migrate_acpi_index;
+}
+
 /* qemu-kvm 1.2 uses version 3 but advertised as 2
  * To support incoming qemu-kvm 1.2 migration, change version_id
  * and minimum_version_id to 2 below (which breaks migration from
@@ -297,7 +308,7 @@ static const VMStateDescription vmstate_acpi = {
             struct AcpiPciHpPciStatus),
         VMSTATE_PCI_HOTPLUG(acpi_pci_hotplug, PIIX4PMState,
                             vmstate_test_use_acpi_hotplug_bridge,
-                            vmstate_acpi_pcihp_use_acpi_index),
+                            vmstate_test_migrate_acpi_index),
         VMSTATE_END_OF_LIST()
     },
     .subsections = (const VMStateDescription*[]) {
@@ -652,6 +663,8 @@ static Property piix4_pm_properties[] = {
     DEFINE_PROP_BOOL("memory-hotplug-support", PIIX4PMState,
                      acpi_memory_hotplug.is_enabled, true),
     DEFINE_PROP_BOOL("smm-compat", PIIX4PMState, smm_compat, false),
+    DEFINE_PROP_BOOL("x-not-migrate-acpi-index", PIIX4PMState,
+                      not_migrate_acpi_index, false),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/hw/core/machine.c b/hw/core/machine.c
index d856485cb4..1e23fdc14b 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -37,7 +37,9 @@
 #include "hw/virtio/virtio.h"
 #include "hw/virtio/virtio-pci.h"
 
-GlobalProperty hw_compat_6_2[] = {};
+GlobalProperty hw_compat_6_2[] = {
+    { "PIIX4_PM", "x-not-migrate-acpi-index", "on"},
+};
 const size_t hw_compat_6_2_len = G_N_ELEMENTS(hw_compat_6_2);
 
 GlobalProperty hw_compat_6_1[] = {
diff --git a/include/hw/acpi/pcihp.h b/include/hw/acpi/pcihp.h
index af1a169fc3..7e268c2c9c 100644
--- a/include/hw/acpi/pcihp.h
+++ b/include/hw/acpi/pcihp.h
@@ -73,8 +73,6 @@ void acpi_pcihp_reset(AcpiPciHpState *s, bool acpihp_root_off);
 
 extern const VMStateDescription vmstate_acpi_pcihp_pci_status;
 
-bool vmstate_acpi_pcihp_use_acpi_index(void *opaque, int version_id);
-
 #define VMSTATE_PCI_HOTPLUG(pcihp, state, test_pcihp, test_acpi_index) \
         VMSTATE_UINT32_TEST(pcihp.hotplug_select, state, \
                             test_pcihp), \