Netflow service in Linux Red Had not work

Hi,

I have a problem when i start the NFA 7 in mode service, when pass 5 minutes the service was stoped. Can anybody helpme with ths problem here is my configuration:

[root@netflowlinp01 bin]# uname -a
Linux netflowlinp01.cantv.com.ve 2.6.9-42.ELsmp #1 SMP Wed Jul 12 23:27:17 EDT 2006 i686 i686 i386 GNU/Linux

[root@netflowlinp01 bin]# free -m
total used free shared buffers cached
Mem: 4051 2189 1862 0 50 1004
-/+ buffers/cache: 1134 2917
Swap: 8189 0 8188

root@netflowlinp01 bin]# grep "model name" /proc/cpuinfo
model name : Intel(R) Xeon(R) CPU 5130 @ 2.00GHz
model name : Intel(R) Xeon(R) CPU 5130 @ 2.00GHz
model name : Intel(R) Xeon(R) CPU 5130 @ 2.00GHz
model name : Intel(R) Xeon(R) CPU 5130 @ 2.00GHz

[root@netflowlinp01 bin]# df -H
Filesystem Size Used Avail Use% Mounted on
/dev/sda2 5.2G 661M 4.3G 14% /
/dev/sda1 200M 13M 177M 7% /boot
none 2.2G 0 2.2G 0% /dev/shm
/dev/sda10 40G 1.1G 37G 3% /log
/dev/sda6 3.1G 2.2G 827M 72% /usr
/dev/sda5 16G 146M 15G 1% /var

The nerflow is installed in /log