port-zaurus/53374: Unable to boot kernels newer than netbsd-7 on Zaurus

[venture37%geeklan.co.uk@localhost]

>Number:         53374
>Category:       port-zaurus
>Synopsis:       Unable to boot kernels newer than netbsd-7 on Zaurus
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-zaurus-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat Jun 16 17:15:00 +0000 2018
>Originator:     Sevan Janiyan
>Release:        -8 & HEAD
>Organization:
>Environment:
>Description:
Attempting to boot a 8.0_RC1 kernel or HEAD results in the screen fading to a grey screen.
System is happy on netbsd-7, tested with 7.1.2 release kernel. 

A video of the issue is available here:
https://www.geeklan.co.uk/files/tmp/zaurus3.mov

Taken from Zaurus SL-C3100 running a legacy terminal app (hence lowres console graphics).
>How-To-Repeat:
Using 8.0_RC1 or HEAD components, on the Zaurus, in a terminal app, run:
insmod zbsdmod.o
cp netbsd-INSTALL /proc/zboot
>Fix: