i386/88930: bad config of pppoe ?=crash the kernel

[evenglion]

>Number:         88930
>Category:       i386
>Synopsis:       bad config of pppoe ?=crash the kernel
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-i386
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Nov 13 14:20:20 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     evenglion
>Release:        freebsd 6 , freebsd 5.4
>Organization:
non 
>Environment:
kernel crash no output ! the kernel said something like error divide by zero
            
>Description:
              i was trying to configure pppoe  (with the help of the hand book ), modified /etc/ppp/ppp.conf and modified the file /etc/rc.conf  to start pppoe at boot time .the result is a kernel crash  (divide by zero).

tested on 2 computers
cpu amd xp 2800 barton 
mother board asrok via kt400
ethernet card fastgear (linux driver natsemi , bsd driver sis)
video card nvidia 6600 gt 
memory samsung 512 MO ddr  pc 3200
tv card=guillemot pci-2 chip bt848a
sound card=sound blaster live pci
status:all ok on linux,windows ,kernel crash on bsd when setting pppoe

the second:
cpu amd duron 1200 mhz
mother board:matsonic via vt8233
ethernet:netgear fa311 rev-d2 (bsd driver sis)
video: ati radeon 7500 agp 4x
memory noname sd-ram first=256 second=128 total=384 mo
tv-card=none
sound-card=via sound card
status:all ok on linux,windows ,kernel crash on bsd when setting pppoe




             
>How-To-Repeat:
              setting pppoe maybe it only happen on my two computers
>Fix:
              i dunno 
>Release-Note:
>Audit-Trail:
>Unformatted: