port-hpcmips/52456: netbsd-7 kernel hangs on boot

[venture37%geeklan.co.uk@localhost]

>Number:         52456
>Category:       port-hpcmips
>Synopsis:       netbsd-7 kernel hangs on boot
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-hpcmips-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Aug 02 18:00:00 +0000 2017
>Originator:     Sevan Janiyan
>Release:        NetBSD-7
>Organization:
>Environment:
>Description:
Attempting to boot NetBSD-7  kernel on hpcmips results in the kernel hanging on boot

apmdev0 at hpcapm0: Power Management spec V1.2
pcic0: using irq 589827 for socket events
pcic0: WARNING: powerhook_establish is deprecated
pcic0: WARNING: powerhook_establish is deprecated

Tested the installation kernel (netbsd.gz) from pub/NetBSD-daily/netbsd-7/201707230840Z & 201708020150Z, same result.
>How-To-Repeat:
boot kernel on hpcmips device.
>Fix: