install/43416: Crashes when installing in VM-

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>Number:         43416
>Category:       install
>Synopsis:       Crashes when installing in VM-
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    install-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Jun 04 22:45:00 +0000 2010
>Originator:     Juan P. Daza P.
>Release:        5.1_RC2
>Organization:
ER technology
>Environment:
>Description:
When installing 5.1_R2 on virtual machine (VirtualBox OSE 3.1.8_OSE r61349) the 
process crases with a page fault error:

uvm_fault(0xc0b82a00, 0, 1) -> 0xe
uvm_fault(0xc0b82a00, 0, 1) -> 0xe
fatal page fault in supervisor mode
trap type 6 code 0 eip c0100ca8 cs 8 eflags 246 cr2 0 ilevel 1
kernel: supervisor trap page fault, code=0
Stopped in pid 0.15 (system) at netbsd:spllower+0x28: lock addl %eax,0(%eax)

>How-To-Repeat:
Install the 5.1_RC2 release on virtualBox
>Fix: