From owner-freebsd-current@freebsd.org  Wed Aug 15 03:45:41 2018
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From: Kyle Evans <kevans@freebsd.org>
Date: Tue, 14 Aug 2018 22:45:19 -0500
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Subject: Re: CURRENT from today throws lots of ACPI errors, lost HDMI detection
To: Pete Wright <pete@nomadlogic.org>
Cc: FreeBSD Current <freebsd-current@freebsd.org>
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On Tue, Aug 14, 2018 at 10:41 PM, Pete Wright <pete@nomadlogic.org> wrote:
>
> On 8/14/18 6:13 PM, Kyle Evans wrote:
>>
>> On Tue, Aug 14, 2018 at 7:28 PM, Pete Wright <pete@nomadlogic.org> wrote:
>>>
>>> i also attempted to boot using UEFI but the system hangs very early in
>>> the
>>> boot process.  i have reverted to legacy mode for now so that i can work,
>>> but am keen to test out any patches or do any other debugging that is
>>> needed.
>>
>> Hi Pete,
>>
>> Where in the process does it hang with UEFI? I can't help much with
>> any of your other problems, but I am curious about this one. =)
>
> sure thing - the last several lines are:
>
> random: fast provider: "Intel Secure Key RNG"
> kbd1 at kbdmux0
> netmap: loaded module
> nexus0
>
> at this point it hangs.  let me know if you want me to try booting with
> verbose output to dmesg or something.
>

Are you running GENERIC, or custom config? Any modules loaded?

I'm curious if you've been bitten somehow by recently enabling EFIRT
in GENERIC. Can you try setting efi.rt.disabled=1 at loader prompt and
see where that gets you?