i386 on VirturalBox boot failed

[Jun Ebihara <jun%soum.co.jp@localhost>]

VirtualBox 5.0.30 on CentOS6.8:

use nyftp iso image:

NetBSD 7.99.42 GENERIC.201611131540Z ... boot fine.

dmesg:
 https://github.com/ebijun/NetBSD/blob/master/dmesg/i386/VirtualBox

NetBSD 7.99.42 GENERIC.201611271450Z: ... stucked.
NetBSD 7.99.43 GENERIC.201611291610Z: ... stucked.

kernel: supervisor trap page fault, code=0
uvm_fault(0xc12bc400,0xc153000,1) -> 0xe
fatal page fault in supervisor mode
trap type 6 code 0 eip c0153468 cs 8 eflags 10282 cr2 c153300 ilevel 8 esp c0f41cfd
curlwp 0xc1228720 pid 0 lid 1 lowest kstack 0xc14c92c0
kernel: supervisor trap page fault, code=0
   :

and stucked.

--
Jun Ebihara