diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index b579830832..d56418ca29 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -28,6 +28,7 @@
 #include "qemu-common.h"
 #include "qemu/datadir.h"
 #include "qapi/error.h"
+#include "qapi/qapi-events-machine.h"
 #include "qapi/visitor.h"
 #include "sysemu/sysemu.h"
 #include "sysemu/hostmem.h"
@@ -3575,14 +3576,14 @@ static SpaprDimmState *spapr_recover_pending_dimm_state(SpaprMachineState *ms,
     return spapr_pending_dimm_unplugs_add(ms, avail_lmbs, dimm);
 }
 
-void spapr_clear_pending_dimm_unplug_state(SpaprMachineState *spapr,
-                                           DeviceState *dev)
+void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev)
 {
     SpaprDimmState *ds;
     PCDIMMDevice *dimm;
     SpaprDrc *drc;
     uint32_t nr_lmbs;
     uint64_t size, addr_start, addr;
+    g_autofree char *qapi_error = NULL;
     int i;
 
     if (!dev) {
@@ -3616,6 +3617,14 @@ void spapr_clear_pending_dimm_unplug_state(SpaprMachineState *spapr,
         drc->unplug_requested = false;
         addr += SPAPR_MEMORY_BLOCK_SIZE;
     }
+
+    /*
+     * Tell QAPI that something happened and the memory
+     * hotunplug wasn't successful.
+     */
+    qapi_error = g_strdup_printf("Memory hotunplug rejected by the guest "
+                                 "for device %s", dev->id);
+    qapi_event_send_mem_unplug_error(dev->id, qapi_error);
 }
 
 /* Callback to be called during DRC release. */
diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c
index 98b626acf9..8a71b03800 100644
--- a/hw/ppc/spapr_drc.c
+++ b/hw/ppc/spapr_drc.c
@@ -1231,12 +1231,11 @@ static void rtas_ibm_configure_connector(PowerPCCPU *cpu,
 
     /*
      * This indicates that the kernel is reconfiguring a LMB due to
-     * a failed hotunplug. Clear the pending unplug state for the whole
-     * DIMM.
+     * a failed hotunplug. Rollback the DIMM unplug process.
      */
     if (spapr_drc_type(drc) == SPAPR_DR_CONNECTOR_TYPE_LMB &&
         drc->unplug_requested) {
-        spapr_clear_pending_dimm_unplug_state(spapr, drc->dev);
+        spapr_memory_unplug_rollback(spapr, drc->dev);
     }
 
     if (!drc->fdt) {
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index d6edeaaaff..47cebaf3ac 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -847,8 +847,7 @@ int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
 int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp);
 void spapr_clear_pending_events(SpaprMachineState *spapr);
 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
-void spapr_clear_pending_dimm_unplug_state(SpaprMachineState *spapr,
-                                           DeviceState *dev);
+void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev);
 int spapr_max_server_number(SpaprMachineState *spapr);
 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
                       uint64_t pte0, uint64_t pte1);