kern/117827: Kernel Panic

[Dmitry Rybin]

>Number:         117827
>Category:       kern
>Synopsis:       Kernel Panic
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Nov 04 23:30:01 UTC 2007
>Closed-Date:
>Last-Modified:
>Originator:     Dmitry Rybin
>Release:        7.0
>Organization:
Corbina Telecom
>Environment:
FreeBSD alpha.kirgudu.loc 7.0-BETA2 FreeBSD 7.0-BETA2 #0: Mon Nov  5 00:34:07 MSK 2007     diman at alpha.kirgudu.loc:/usr/obj/usr/src/sys/ALPHA7  i386

>Description:
If I use pf packet filter and use ng interface, then I am destroy interface and create it -> pfctl -f /etc/pf.conf -> kernel panic
>How-To-Repeat:
1.
enable pf.
pf.conf
vpn_if="ng0"

pass out quick on $vpn_if keep state
===========================
2.
mpd4, create connection. 
===========================
3.
pfctl -f /etc/pf.conf
===========================
4.
Stop and then start mpd4.
===========================
5.
pfctl -f /etc/pf.conf

KERNEL PANIC
>Fix:
I don't know

>Release-Note:
>Audit-Trail:
>Unformatted: