it fixes IRQ storm since guest isn't able to lower SCI IRQ after it has been handled when it clears GPE event.
Signed-off-by: Igor Mammedov <imamm...@redhat.com> --- hw/acpi/ich9.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c index dcdef7c..30f0df8 100644 --- a/hw/acpi/ich9.c +++ b/hw/acpi/ich9.c @@ -61,6 +61,7 @@ static void ich9_gpe_writeb(void *opaque, hwaddr addr, uint64_t val, { ICH9LPCPMRegs *pm = opaque; acpi_gpe_ioport_writeb(&pm->acpi_regs, addr, val); + acpi_update_sci(&pm->acpi_regs, pm->irq); } static const MemoryRegionOps ich9_gpe_ops = { -- 1.8.3.1