Looks like this error has already been fixed upstream. Should this fix be added to 3.10-stable kernel? commit 3dc48af310709b85d07c8b0d3aa8f1ead02829d3 Author: Neil Horman <nhorman@xxxxxxxxxxxxx> Date: Thu Aug 29 16:17:05 2013 -0400 PCI/ACPI: Fix _OSC ordering to allow PCIe hotplug use when available -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html