Sangoma A102D wanpiple issue with dahdi

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Hey Guy,

I have ubuntu 10.04 64bit and compiled dahdi / wanpipe 3.5.19 /asterisk-1.8.x I didn’t understand what is the relation between wanpipe and dahdi ? do i need to start wanrouter service ? I am getting weird errors and my system got kernel panic many time when i restart dahdi service. any idea ? what is the startup sequence of all these service ?

root@example:/etc/asterisk# /etc/init.d/dahdi stop
Unloading DAHDI hardware modules: ERROR: Module wanpipe is in use
ERROR: Module dahdi_echocan_mg2 is in use
ERROR: Module dahdi is in use by dahdi_echocan_mg2,wanpipe
error

root@example:/etc/asterisk# wanrouter stop

Shutting down wanpipe1 interface: w1g1
Shutting down device: wanpipe2
Shutting down device: wanpipe1

wanconfig: WAN device wanpipe1 did not shutdown
: ioctl(wanpipe1,ROUTER_DOWN) failed:
: 16 – Device or resource busy

If you router was not running ignore this message
!! Otherwise, check the /var/log/wanrouter and
/var/log/messages for errors

Devices Still Running:
wanpipe1