On Mon, Jan 02, 2017 at 06:55:28AM +0900, Kyoung Jae Seo wrote:
> On Sun, Jan 01, 2017 at 02:00:44PM +0300, Özgür Kazancci wrote:
> > Hello,
> > 
> > Mike, just wanted to ask if you've had any chance of committing anything
> > regarding the issue? Few months have passed and I'm just curious about the
> > issue:
> > 
> > http://marc.info/?l=openbsd-bugs&m=147626115403928&w=2
> > 
> > Thanks,
> > Happy New Year OpenBSD!
> > 
> 
> Hi
> 
> OpenBSD stock kernel might not be able to boot in most of newer HP
> laptops. My pavilion also fails to boot because OpenBSD kernel does not
> have ACPI CMOS RTC handler.
> 
> Can you try booting kernel with ec disabled? You don't have to disable
> it in laptop's bios just configure kernel before booting.
> 
> To have better idea of what is actually causing the problem you can
> compile kernel with #define ACPI_DEBUG and boot with it. If it's indeed
> hp ACPI CMOS issue it will fail with message : Unsupported region space
> 5 when kernel crashes.
> 
> I have a wip patch based on linux's implementation but it's too
> invasive and hacky right now for sharing. As soon as I get more time
> I'll open up discussion in tech@ after tidying things up.
> 
> There was discussion on FreeBSD bugs lists of how to handle hp laptop's
> acpi cmos some time ago but developers could not agree on resolution.
> 
> For those interested : 
> https://lists.freebsd.org/pipermail/freebsd-amd64/2016-February/016620.html
> https://wiki.freebsd.org/Laptops/HP_Envy_6Z-1100
> 
> Thanks.
> 

Looks like we do need something like what Kyoung Jae Seo says. I'm happy
to look at a diff but at the moment I don't have the hardware to look into
this (or much free time). Even if the diff is rough, it's probably better
to see what you have earlier rather than later.

-ml

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