Can't boot current on Minnowboard

[Renato Botelho]

On 24/09/19 17:46, D Scott Phillips wrote:
> Renato Botelho <garga at FreeBSD.org> writes:
> 
>> On 24/09/19 15:36, Toomas Soome wrote:
>>>
>>>
>>>> On 24 Sep 2019, at 21:12, Renato Botelho <garga at FreeBSD.org> wrote:
>>>>
>>>> On 24/09/19 15:10, Toomas Soome wrote:
>>>>>
>>>>>
>>>>>> On 24 Sep 2019, at 20:50, Renato Botelho <garga at FreeBSD.org> wrote:
>>>>>>
>>>>>> As reported at pfSense ticket [1], we can't see console after booting
>>>>>> FreeBSD installer iso on Minnowboard.  This video [2] demonstrates the
>>>>>> problem.
>>>>>>
>>>>>> Basically I can see all kernel messages but nothing from userland after
>>>>>> kernel finishes to load.
>>>>>>
>>>>>> I would be glad to collect any kind of data you need to help tracking it
>>>>>> down.
>>>>>>
>>>>>> Thanks!
>>>>>>
>>>>>> [1] https://redmine.pfsense.org/issues/9488
>>>>>> [2] https://imgur.com/a/V4IrQWo
>>>>>> -- 
>>>>>> Renato Botelho
>>>>>
>>>>> Hi!
>>>>>
>>>>> does it have bios emulation and does it behave there?
>>>>
>>>> No, this board is EFI only.
>>>>
>>>
>>> Is it atom board? UEFI32 or UEFI64? 
>>
>> It's Atom and is UEFI64.
>>
>> I figured out this board has HDMI and serial console and output is going
>> only to serial.  If LiveCD option is selected on serial it shows up on
>> HDMI as well.
>>
>> I've downloaded latest firmware version and updated the board.  After
>> that I noted serial console is configurable on setup and disabled by
>> default.
>>
>> Even with Input/Output serial items disabled it's sending output to
>> serial console and I can see UArt item listed on EFI variables on loader
>> prompt.
> 
> The logic in stand/efi/loader/main.c:parse_uefi_con_out() seems to be
> that RB_SERIAL is set when the serial device appears before the video
> device in the ConOut efi variable, which is the case on a minnowboard
> that I looked at. You can override this by setting boot_serial="NO" in
> loader.conf or running `set boot_serial=NO` at the loader prompt.

Adding boot_serial=NO works.  I just wonder why the firmware setup
option to disable serial port is not being respected.

Thanks!
-- 
Renato Botelho