Bryan,

The /usr/sbin/bless command was the key that unlocked this for me.  I have
managed to get the latest snapshot installed and booting on this machine.
I'm in the process of installing a desktop (I run gnome) so I'll let you
know how that goes.

Thanks to everyone for their help.


Thanks,
Bryan

On Mon, Nov 23, 2015 at 12:15 PM, Bryan Vyhmeister <br...@bsdjournal.net>
wrote:

> On Mon, Nov 23, 2015 at 09:22:04AM -0500, Bryan C. Everly wrote:
> > I tried a few months ago to boot this into OpenBSD and one of the big
> > problems I ran into was that this is a USB 3 only machine and as such,
> the
> > keyboard worked at the boot prompt but did not work when I got to the
> first
> > installer prompt.
>
> I never had any success with any Apple machine of recent vintage until
> efiboot became available very recently. Now with the changes to
> inteldrm(4) over the weekend, most things are working well for me.
>
> > I'm seeing people talking about working on Macbook Air machines (some of
> > quite recent vintage) so I'm wondering if:
> >
> > 1.  There is a patch I can apply to get keyboard support working on the
> > Macbook Pro Retina; or
>
> I was corresponding with Joerg Jung about his 2015 12-inch Retina
> MacBook and he also has the same issue. I also booted up my 2015 12-inch
> Retina MacBook yesterday and had no keyboard at all. His solution was a
> USB keyboard and a USB hub. I didn't have either handy but may try that
> later today. In the case of the 12-inch Retina MacBook, there is only
> that single USB-C port so I'm not sure if the USB hub was needed for any
> reason other than to provide at least two ports (one for USB flash drive
> and one for USB keyboard).
>
> > 2.  The Macbook Air doesn't have all USB 3 ports so this isn't a problem
> > for that hardware
>
> The last several generations only show xhci(4) rather than any uhci(4).
> I don't know what is different about the MacBook Air systems that allows
> the keyboard to work since the keyboard does attach as ukbd(4).
>
> > Any suggestions would be appreciated.
>
> My solution was to create an OpenBSD efiboot flash drive and then things
> worked fairly well. In your case, you probably need a USB keyboard and
> possibly a USB hub. I will post a separate post soon with more
> information about both of my MacBook Air systems but, in short, the 2013
> MacBook Air, which is a Haswell system like your MacBook Pro, works
> quite well.  Obviously wireless is not supported but a urtwn(4) USB
> wireless adapter works fine. X acceleration works fine as does
> xbacklight(1) to set screen brightness. The brightness buttons on the
> keyboard do not work though. Keyboard backlight is functional (although
> not yet adjustable) due to Joerg Jung's recent asmc(4) driver.
>
> The 2015 MacBook Air which is a Broadwell system works almost as well
> but does not have X acceleration at this time (disabled for now due to
> instability) and also does not respond to xbacklight(1) so there is no
> way to adjust screen brightness. To see the state of things in Linux, I
> also installed Fedora 23 last week which comes with Linux kernel 4.2 and
> that also could not adjust the brightness of the display at all even
> though it acted as though it was working.
>
> I am interested to see what you find with your system since I am looking
> to pick up a similar Haswell Retina MacBook Pro from the refurbished
> store to use with OpenBSD as well.
>
> Bryan

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