asterisk users - Dec 2005 - BUG? AGI stuck in ast_waitfor_nandfds()

I just have upgraded from Asterisk 1.0.7 to 1.2.1 and im having problems
with my AGI script that takes care about
routing the calls. It worked perfectly for the last year with 1.0.7, now is
getting stuck when the is launched. I have agi debug enabled and this is the
output:

     -- Launched AGI Script /var/lib/asterisk/agi-bin/agi_cdr.php
AGI Tx >> agi_request: agi_cdr.php
AGI Tx >> agi_channel: SIP/25-63c8
AGI Tx >> agi_language: en
AGI Tx >> agi_type: SIP
AGI Tx >> agi_uniqueid: 1135787079.1
AGI Tx >> agi_callerid: 25


It just hangs there, does not finish sending the initial vars. From 'show
channel SIP/25-63c8' i can see that is blocking in:

 Application: AGI
       Data: agi_cdr.php
Blocking in: ast_waitfor_nandfds


Any pointings? should i post this in the development list? should i open a
bug in mantis?

Distro: Gentoo-Linux

Linux chewbacca 2.6.14.2 #1 SMP PREEMPT Wed Dec 28 09:09:20 CST 2005
i686 AMD Athlon(tm) XP 2400+ AuthenticAMD GNU/Linux


Best Regards
--
"Su nombre es GNU/Linux, no solamente Linux, mas info en
http://www.gnu.org"
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