After upgrading to version 2.9 no trunks are in fop asterisk not answering calls

After upgrading to version 2.9 system does not answer incoming calls

Asterisk SVN-branch-1.4-r168828 @ pbx.local on a i686 running Linux on 2009-01-17 00:53:02 UTC

Freepbx version 2.9.0.4

zapata.conf

context=from-pstn
signalling=fxs_ks
faxdetect=incoming
usecallerid=yes
echocancel=yes
echocancelwhenbridged=no
echotraining=800
group=0
channel=1-2

dahddi

Autogenerated by /usr/sbin/dahdi_genconf on Sat Jan 17 22:25:09 2009 – do not hand edit
; Dahdi Channels Configurations (chan_dahdi.conf)
;
; This is not intended to be a complete chan_dahdi.conf. Rather, it is intended
; to be #include-d by /etc/asterisk/chan_dahdi.conf that will include the global settings
;

; Span 1: WCTDM/0 “Wildcard TDM410P Board 1” (MASTER)
;;; line="1 WCTDM/0/0 FXSKS (EC: MG2)"
signalling=fxs_ks
callerid=asreceived
group=0
context=from-pstn
channel => 1
callerid=
group=0
context=default

;;; line="2 WCTDM/0/1 FXSKS (EC: MG2)"
signalling=fxs_ks
callerid=asreceived
group=0
context=from-pstn
channel => 2
callerid=
group=0
context=default

system has been up for 2 years went down after upgrade.

thank you

upgrading to asterisk 1.4.41 did the trick.