kern/40749: halt -d does not work

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>Number:         40749
>Category:       kern
>Synopsis:       halt -d does not work
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Feb 24 23:10:00 +0000 2009
>Originator:     Andrew Doran
>Release:        5.0_RC2
>Organization:
The NetBSD Project
>Environment:
i386 smp
>Description:
halt -d does not work.

>How-To-Repeat:
Screw up the machine.
Decide to go to bed but save a crashdump to look at it later.
Type halt -d.
It halts without calling dumpsys().

>Fix: