Raspberry Pi B stuck during boot?

[Tim Kientzle]

> On Aug 7, 2016, at 3:04 PM, René Ladan <rene at FreeBSD.org> wrote:
> 
> On 07-08-16 13:57, Bernd Walter wrote:
>> On Sun, Aug 07, 2016 at 12:09:08PM +0200, René Ladan wrote:
>>> On 06-08-16 16:23, Bernd Walter wrote:
>>>> On Sat, Aug 06, 2016 at 03:06:20PM +0200, René Ladan wrote:
>>>>> Hi,
>>>>> 
>>>>> With recent versions of 11 (alpha3 and beta3) my raspberry b gets stuck
>>>>> near the end of the boot. I checked the SD card and updated it to 11-beta3
>>>>> using these commands (if I remember correctly, but nothing unusual):
>>>>> 
>>>>> % make buildworld TARGET=arm TARGET_ARCH=armv6
>>>>> % make buildkernel KERNCONF=RPI-B TARGET=arm TARGET_ARCH=armv6
>>>>> # make installworld TARGET=arm TARGET_ARCH=armv6 DESTDIR=/mnt
>>>>> # make installkernel TARGET=arm TARGET_ARCH=armv6 DESTDIR=/mnt
>>>>> KERNCONF=RPI-B
>>>>> # make delete-old TARGET=arm TARGET_ARCH=armv6 DESTDIR=/mnt
>>>>> # make delete-old-libs TARGET=arm TARGET_ARCH=armv6 DESTDIR=/mnt
>>>>> # mergemaster -A armv6 -D /mnt -p
>>>>> # mergemaster -A armv6 -D /mnt -U -i
>>>>> 
>>>>> See https://rene-ladan.nl/IMG_20160804_193031.jpg for a phone picture of
>>>>> the TV screen where it gets stuck.
>>>>> 
>>>>> Any ideas if what could be wrong?
>>>> It might be hanging in single user mode prompt on serial console.
>>>> 
>>> So if I would disable serial console in /etc/ttys it should be fine?
>> No - that is just for the login prompt after the OS has been booted into
>> multiuser mode.
>> Unfortunately I have no idea where the loader on an RPi gets that
>> information from, since so far I've always used serial consoles.
>> The kernel itself can do double output, but the rc-scripts, including
>> the single user mode prompt, are limited to one.
>> It would be easiest if you have the option to wire up the serial console.
> Yeah, I'll see if I can construct something using the GPIO pins.
> 
> I also tried adding autoboot_delay=-1 to /boot/loader.conf and pulling
> my DCF77 receiver from the GPIO pins (ground, +3.3V, signal wire) but
> that didn't help either.
> 
> So with USB power, HDMI cable to TV, and a USB keyboard it hangs

Anyone doing “interesting” work with RPi should have at least one of these on hand:

   http://adafru.it/954

Tim