arm.armv7 crashing

Hi:

New to arm but I was given a handful of OrangePI's and I had been 
wanting to work with GPIO for some time so I though I would give a go.

I will be honest, even as a user of FreeBSD since  the 2.x days I 
started with armbian - it crashed a lot - and so FreeBSD here I came.

The crashes are infrequent but present. It will normally run days, but 
sometimes only a few hours.  I have learned a lot about ARM in general 
but  still struggle in some area's one of them getting crash dumps.

System:  OrangePi-R1 with add on card for 2xUSB + audio

FreeBSD Boot image from downloads.freebsd.org

FreeBSD generic 14.0-CURRENT FreeBSD 14.0-CURRENT #0 
main-n259842-c89209c674f2: Sat Dec 24 05:49:58 UTC 2022 
root@releng1.nyi.freebsd.org:/usr/obj/usr/src/arm.armv7/sys/GENERIC arm

and  u-boot-orangepi-2e as it's DTS? tables allow the kernel to 
recognize my add on board  for the Orange-PI that provides 2xUSB + audio 
which I need for my project.   u-boot-orangepi-r1 does not address the 
additional hardware.

The system sits and runs webcamd and ustreamer and that is basically it 
outside of what can be seen in the log file - like the wireless driver 
etc.  Unless I can get the board not to crash I will need to switch to 
another board - this little board fits my bill as other than what is 
running I expect to have a little python code to handle other things 
including GPIO (plans change you know...)

My two USB devices are a web-cam and a Cisco wifi stick that is Linksys 
WUSB600N compatible.

I followed the  handbook and tried to provide all the DDB commands 
recommended when you get a kernel panic and are dropped into the 
debugger.  I have attempted at great length to get  a dump on the 
MicroSD card and "dumpon -l" plus the partition table info all looks 
good but if debug.kdb.panic=1 is set in /loader.conf I only see 
"Dumping:" on the console and then no progress and I ave let it sit for 
hours.

There is a copy of /boot/loader.conf, systctl -a , all the DDB output 
and a copy of "boot -v" here: http://mail.mikej.com/armv7-new.log

The DDB and verbose boot are mid way down the log file.

Other than a fix could someone clue me in if my issue in using the 
incorrect u-boot loader which means I will need to learn a lot about how 
to build flattened device trees to support the add on card or is there 
something wrong in the kernel itself.

Any hints on how to get real dumps to micro-sd if that even is possible 
would also be appreciated.

I read hundreds? of  articles and board postings and there is a lot of 
info out their but none of it has clued me in - maybe I'm just getting 
too old :-(

Thanks for ANY advise.

Michael Jung