Hi, On Wed, Mar 02, 2016 at 04:13:16AM +0100, Leif Liddy wrote: > I'll post more tomorrow, need to evaluate the changes I made --but I > think the change that did it was changing this: > > Method (_CRS, 0, NotSerialized) // _CRS: Current Resource Settings > { > If (!OSDW ()) > { > Return (WBUF) /* \_SB_.PCI0.SPI1.WBUF */ > } > > Return (ConcatenateResTemplate (RBUF, DBUF)) > } > > to: > > Method (_CRS, 0, NotSerialized) // _CRS: Current Resource Settings > { > Return (ConcatenateResTemplate (RBUF, DBUF)) > } If that is true then the fix is to change the OS we're reporting to ACPI: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/acpi/osl.c#n141 We had trouble with this before: https://mjg59.dreamwidth.org/29954.html I've just grabbed the acpidump you've posted here: https://bugzilla.kernel.org/attachment.cgi?id=200961&action=edit I'll take a look at it hopefully this afternoon to see what they've changed in the OSDW method. Thanks a lot for your perseverance in tackling this issue. Lukas -- 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