Index: NVIDIA-Linux-x86_64-304.88/kernel/nv-acpi.c
===================================================================
--- NVIDIA-Linux-x86_64-304.88.orig/kernel/nv-acpi.c
+++ NVIDIA-Linux-x86_64-304.88/kernel/nv-acpi.c
@@ -299,7 +299,10 @@ static int nv_acpi_remove(struct acpi_de

if (pNvAcpiObject->notify_handler_installed)
{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
+ /* beginning with 3.13, acpi_remove_notify_handler() waits for events to finish */
NV_ACPI_OS_WAIT_EVENTS_COMPLETE();
+#endif

// remove event notifier
status = acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, nv_acpi_event);