Are you using the exec directive? There was a recent fix related to that that could fit your question.

On Apr 8, 2011 3:01 PM, "Javier Aristizábal" <javieraristizabal@gmail.com> wrote:
> Any clue?
>
> Thanks
>
>
>
> 2011/4/7 Javier Aristizábal <javieraristizabal@gmail.com>
>
>> Hi folks, I have FS running on a CentOS 5.3 (64 bits) and the last git
>> source. And i'm using ps -ef to look at the process running on my system and
>> i notice that i have more than 20 [freeswitch] <defunct> processes. Is
>> this normal? What exactly do that processes?
>>
>> Thanks in advance
>>
>>
>> --
>> Javier Aristizábal
>>
>>
>
>
> --
> Javier Aristizábal