Raspberry Pi B stuck during boot?

Bernd Walter ticso at cicely7.cicely.de
Sun Aug 7 11:58:26 UTC 2016


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.

> It still hangs with only the "console" and "ttyv0" entries "on" in
> /etc/ttys, the rest is "off", but it used to work fine.

-- 
B.Walter <bernd at bwct.de> http://www.bwct.de
Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.


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