I tried Windows 8.1 Pro, and it seems that wireless hotkey works fine (with AirplaneMode driver installed) and ACPI battery works fine too. I didn't observe similar ACPI interrupt problems that occur on Linux. On Tue, Apr 28, 2015 at 1:46 AM, Matthew Garrett <mjg59@xxxxxxxxxxxxx> wrote: > On Mon, Apr 27, 2015 at 04:30:11PM +0800, Alex Hung wrote: >> I don't have any Win8 media to test it but I will try to look for one. >> >> I recalled that kernel 4.1rc has a patch "ACPICA: Permanently set _REV >> to the value '2'" that may also change firmware's behaviours, but it >> does not fix Inspiron 7437's ACPI event just for references. > > The _REV behaviour didn't change between Windows 7 and 8, so it > shouldn't be relevant here. > > -- > Matthew Garrett | mjg59@xxxxxxxxxxxxx -- Cheers, Alex Hung -- 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