diff -Nur original/drivers/pci/quirks.c patch/drivers/pci/quirks.c
--- original/drivers/pci/quirks.c   2015-06-03 06:44:09.510692797 +0000
+++ patch/drivers/pci/quirks.c  2015-06-03 07:27:03.434601912 +0000
@@ -594,9 +594,16 @@
    u8 enable;

    pci_read_config_byte(dev, ICH_ACPI_CNTL, &enable);
+   // this reservation creates a port conflict with ACPI
+   // consiquently the led_ss4200 driver oops on load.
+   // acpi=off works, but breaks ACPI
+   // Reducing this quirk into a warning.
    if (enable & ICH6_ACPI_EN)
+       dev_info(&dev->dev, "ss4200_acpi skip quirk_io_region to avoid ACPI conflict\n");
+   /*
        quirk_io_region(dev, ICH_PMBASE, 128, PCI_BRIDGE_RESOURCES,
                 "ICH6 ACPI/GPIO/TCO");
+   */

    pci_read_config_byte(dev, ICH6_GPIO_CNTL, &enable);
    if (enable & ICH6_GPIO_EN)