panic: vm_fault_hold: fault on nofault entry during live boot of FreeBSD-based helloSystem

[Graham Perrin]

Hi

What, if anything, might people make of the kernel panic pictured at 
<https://github.com/helloSystem/ISO/issues/102#issuecomment-761793443>?

Transcript (copy typed): 
<https://github.com/helloSystem/ISO/issues/102#issuecomment-761801487>

Context, from <https://hellosystem.github.io/docs/developer/boot.html>:

 > … constructs a r/w Live filesystem tree (e.g., by replicating the 
system image to swap-based memdisk) …

TIA