--- arch/x86/kernel/apic/apic.c

+++ arch/x86/kernel/apic/apic.c

@@ -1361,6 +1361,14 @@ void __cpuinit end_local_APIC_setup(void

setup_apic_nmi_watchdog(NULL);

apic_pm_activate();

+

+ /*

+ * Now that local APIC setup is completed for BP, configure the fault

+ * handling for interrupt remapping.

+ */

+ if (!smp_processor_id() && intr_remapping_enabled)

+ enable_drhd_fault_handling();

+

}

#ifdef CONFIG_X86_X2APIC