On Wed, Nov 20, 2019 at 1:09 PM Mika Westerberg <mika.westerberg@xxxxxxxxx> wrote: > > On Wed, Nov 20, 2019 at 12:58:00PM +0100, Karol Herbst wrote: > > overall, what I really want to know is, _why_ does it work on windows? > > So do I ;-) > > > Or what are we doing differently on Linux so that it doesn't work? If > > anybody has any idea on how we could dig into this and figure it out > > on this level, this would probably allow us to get closer to the root > > cause? no? > > Have you tried to use the acpi_rev_override parameter in your system and > does it have any effect? > > Also did you try to trace the ACPI _ON/_OFF() methods? I think that > should hopefully reveal something. > I think I did in the past and it seemed to have worked, there is just one big issue with this: it's a Dell specific workaround afaik, and this issue plagues not just Dell, but we've seen it on HP and Lenovo laptops as well, and I've heard about users having the same issues on Asus and MSI laptops as well. I will spend some time to collect all the necessary information, create a bug to put it all in there and send out a v5 with the updated information and references to this bug.
