On Fri, Nov 18, 2016 at 11:58:08AM -0500, Stefan Berger wrote: > reason is just the acpi_os_map_iomem() call. Without calling the > acpi_os_unmap_iomem() later on, which I assume should be allowed, the driver > will crash when the device terminates. The oops looks like unbalacned map/unmap, can you add some tracing around the failing address and see if that is possibly true, and who does it? Jason -- 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