Index: sys/amd64/vmm/intel/vmx.c
===================================================================
--- sys/amd64/vmm/intel/vmx.c
+++ sys/amd64/vmm/intel/vmx.c
@@ -3174,9 +3174,29 @@
        pir_desc = vlapic_vtx->pir_desc;
 
        pending = atomic_load_acq_long(&pir_desc->pending);
-       if (!pending)
-               return (0);     /* common case */
+       if (!pending) {
+               /*
+                * While a virtual interrupt may have already been
+                * processed the actual delivery maybe pending the
+                * interruptibility of the guest.  Recognize a pending
+                * interrupt by reevaluating virtual interrupts
+                * following Section 29.2.1 in the Intel SDM Volume 3.
+                */
+               uint64_t val;
+               uint8_t rvi, ppr;
 
+               vmx_getreg(vlapic_vtx->vmx, vlapic->vcpuid,
+                   VMCS_IDENT(VMCS_GUEST_INTR_STATUS), &val);
+               rvi = val & 0xf0;
+               lapic = vlapic->apic_page;
+               ppr = lapic->ppr & 0xf0;
+               if (rvi > ppr) {
+                       return (1);
+               }
+
+               return (0);
+       }
+
        /*
         * If there is an interrupt pending then it will be recognized only
         * if its priority is greater than the processor priority.