Re: Boot stops at loader after build/install cycle

On Thu, Mar 30, 2023 at 11:42:29AM -0700, Steve Rikli wrote:
> On Thu, Mar 30, 2023 at 08:27:28AM -0700, bob prohaska wrote:
> > On Wed, Mar 29, 2023 at 06:09:00PM -0700, Steve Rikli wrote:
> > > On Thu, Mar 30, 2023 at 12:24:13AM +0000, Marcin Cieslak wrote:
> > > > 
> > > > Looks like the bootloader tries to send/receives some terminal control
> > > > sequences and this fails, interupting the autoboot.
> > > 
> > > It may be something along those lines. When I was getting loader stops
> > > during reboot on my rpi4, my guess was the default FreeBSD speed 9600
> > > vs. my serial terminal server setting of 115200 was causing stray
> > > characters on the line during boot, loader interpretted that as a
> > > keystroke, so it stopped.
> > 
> > Where are you setting the serial console to 9600 baud? AIUI the
> > Pi defaults to 115200, can it be set in config.txt? 
> 
> I think you're right -- FreeBSD amd64 defaults to 9600 according to
> boot(8), but arm64 has 115200 compiled, in device tree?
> 

Looks to me as if FreeBSD on the Pi4 sticks with 115200 as the
serial console speed. Trying to connect to a freshly-booted
-current Pi4 using 
cu -l cuaU0 -s 9600
results in a clear baud mismatch. Using -s 115200 connects 
promptly, showing a login prompt. 


Thanks for writing,

bob prohaska