Comment 28 for bug 1803179

(In reply to Peter Wu from comment #18)
> (In reply to Rafael J. Wysocki from comment #15)
> > That PCIe ports PM appears to be different from what we're going to do in
> > 4.8+, though, which may be the source of the problem.
>
> This is not the source of the problem, the issue exists before with older
> kernels.
>
> The list of affected models keeps growing, there have been reports from
> additional HP, Dell and Asus laptops. All of these have in common a Skylake
> CPU (i7-6700HQ) and some NVIDIA GPU (Maxwell cards, GTX 950M/960M/965M/970M,
> Quadro M1000M). Some of the laptops are listed at the updated list in
> https://github.com/Bumblebee-Project/Bumblebee/issues/764#issuecomment-
> 234494238
>
> Any idea what to look into? Patches, documentation or other possible hints?

You said that acpi_osi="!Windows 2015" helped in some cases. I guess the other cases (where it doesn't help) are Windows 10 only systems?