panic caused by mpd5

[Mario Pavlov]

Hi,
my system panics if I use mpd5...
here's what I got:

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FreeBSD mydomain.org 8.0-CURRENT FreeBSD 8.0-CURRENT #6: Mon Feb 2 19:08:09 EET 2009 myuser at mydomain.org:/usr/obj/usr/src/sys/Ss-CURRENT amd64

mpd-5.2 Multi-link PPP daemon based on netgraph(4)
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my mpd.conf is very simple

=========================================================================================
startup:

default:
load pptp_server

pptp_server:

set ippool add pool1 192.168.10.50 192.168.10.99

create bundle template B
set iface enable proxy-arp
set iface idle 1800
set iface enable tcpmssfix
set ipcp yes vjcomp
set ipcp ranges 192.168.10.1/32 ippool pool1
set ipcp dns 192.168.10.1
set bundle enable compression
set ccp yes mppc
set mppc yes e40
set mppc yes e128
set mppc yes stateless

create link template L pptp
set link action bundle B
set link enable multilink
set link yes acfcomp protocomp
set link no pap chap
set link enable chap
set link keep-alive 10 60
set link mtu 1460
set pptp self my.external.ip.address
set link enable incoming
=========================================================================================

the idea behind this setup is my machine to work as a simple VPN server
I'm able to start mpd and everything seems to work...but as soon as I connect with a VPN client the system panics

please find attached screenshots of the panic and the trace

I'll be grateful if someone can help...I kind of need that working

thank you

regards
MGP