kern/39681: ddb doesn't work with new MODULAR modules

[haad%netbsd.org@localhost]

>Number:         39681
>Category:       kern
>Synopsis:       ddb doesn't work with new MODULAR modules
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Oct 03 11:45:00 +0000 2008
>Originator:     haad
>Release:        NetBSD  4.99.72 NetBSD 4.99.72 (GENERIC)
>Organization:
>Environment:
NetBSD  4.99.72 NetBSD 4.99.72 (GENERIC) #0: Fri Sep 26 19:28:14 CEST 2008  
haad@:/usr/src/sys/arch/i386/compile/GENERIC i386


>Description:
It is not possible to enter ddb correctly when MODULAR module is loaded. When I 
try it on virtual machine I will get list of 

kernel supervisor page fault, code=0

and machine reboots 

on real hw 

message from sys/arch/i386/i386/trap.c:301 is printed
>How-To-Repeat:
Load example.kmod and try to enter ddb with magic key sequence.
>Fix: