Broken ZFS boot on upgrade

[Martin Simmons]

>>>>> On Sun, 10 Nov 2019 22:16:26 -0330, Jonathan Anderson said:
> 
>                                                   but when I run `lszfs
> zroot/ROOT/default` from the loader prompt it gives me an empty result (so,
> e.g., no /boot).

FWIW, I think that is normal unless you have created a child dataset of
zroot/ROOT/default.

You can try the ls command, e.g.

ls
ls /boot
ls /boot/kernel
ls /boot/kernel/kernel

__Martin