diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 15e74249f9..02c7a7ff3c 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -647,13 +647,12 @@ static inline DeviceState *create_acpi_ged(VirtMachineState *vms)
 
     dev = qdev_new(TYPE_ACPI_GED);
     qdev_prop_set_uint32(dev, "ged-event", event);
+    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
 
     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, vms->memmap[VIRT_ACPI_GED].base);
     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 1, vms->memmap[VIRT_PCDIMM_ACPI].base);
     sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, qdev_get_gpio_in(vms->gic, irq));
 
-    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
-
     return dev;
 }
 
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index b9c93039e2..ca55aecc3b 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -206,12 +206,12 @@ static void microvm_devices_init(MicrovmMachineState *mms)
     if (x86_machine_is_acpi_enabled(x86ms)) {
         DeviceState *dev = qdev_new(TYPE_ACPI_GED);
         qdev_prop_set_uint32(dev, "ged-event", ACPI_GED_PWR_DOWN_EVT);
+        sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
         sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, GED_MMIO_BASE);
         /* sysbus_mmio_map(SYS_BUS_DEVICE(dev), 1, GED_MMIO_BASE_MEMHP); */
         sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, GED_MMIO_BASE_REGS);
         sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0,
                            x86ms->gsi[GED_MMIO_IRQ]);
-        sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal);
         x86ms->acpi_dev = HOTPLUG_HANDLER(dev);
     }
 
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 2952fe452e..4b7dc67a2d 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -412,6 +412,7 @@ static DeviceState *create_acpi_ged(DeviceState *pch_pic, LoongArchMachineState
     }
     dev = qdev_new(TYPE_ACPI_GED);
     qdev_prop_set_uint32(dev, "ged-event", event);
+    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
 
     /* ged event */
     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, VIRT_GED_EVT_ADDR);
@@ -422,7 +423,6 @@ static DeviceState *create_acpi_ged(DeviceState *pch_pic, LoongArchMachineState
 
     sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0,
                        qdev_get_gpio_in(pch_pic, VIRT_SCI_IRQ - VIRT_GSI_BASE));
-    sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
     return dev;
 }