UEFI ISO boot not working in 12.1 ?

[Julian Elischer]

On 11/6/19 2:53 PM, Warner Losh wrote:
> On Wed, Nov 6, 2019 at 2:03 PM Chris Ross <cross+freebsd at distal.com> wrote:
>
>> On Wed, Nov 06, 2019 at 02:17:11PM -0500, Chris Ross wrote:
>>> Hi there.  I tried booting FreeBSD-12.1-RELEASE-amd64-disc1.iso on a
>> [...]
>>> I need to do?  How has 12.1 changed w.r.t. 12.0 for UEFI?
>> More information.  A stable/12 ISO that I built fails in the same way the
>> 12.1-RELEASE ISO did.  But, I just grabbed releng/12.0, and built a release
>> ISO, and it boots.  So, something seems definately to have changed in the
>> way
>> the UEFI bits are on the boot ISOs?  Or maybe a change in the loader?
>> Is okay in releng/12.0, but broken in 12.1-RELEASE and stable/12.
>>
>> Let me know what to try next.
>>
You could try some bisection back along the  12 branch..