install/50591: netbsd 7 dont boot

[kia00000%rambler.ru@localhost]

>Number:         50591
>Category:       install
>Synopsis:       netbsd 7 dont boot
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    install-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Dec 25 12:30:00 +0000 2015
>Originator:     ivan
>Release:        7.0
>Organization:
none
>Environment:
(unpossible)
>Description:
netbsd 7 dont boot on vmwareplayer workstation 12, virtualbox 5 and on my pc. my pc -- 
-BIOS-
Date		: 03/20/2012
Vendor		: Award Software International, Inc. (www.award-bios.com)
Version		: F2
-Board-
Name		: GA-78LMT-S2P
Vendor		: Gigabyte Technology Co., Ltd. (www.gigabyte.com.tw)

while boot i can see selector, a lot of green string, strings are stopped , and i can read "this port is broken"(this is not lat string)
>How-To-Repeat:
simply boot from dvd, burned from your iso.
>Fix:
i dont know