Periodically hangs zabbix_agentd

[anavrin]

Hello.
Periodically hangs zabbix_agentd
OS FreeBSD 6.2


ps -axu | grep zabbix
zabbix ... DNL Wed11AM 58:15.34 zabbix_agentd: processing request (zabbix_agentd)
zabbix ... DNL Wed11AM 15:23.31 zabbix_agentd: processing request (zabbix_agentd)
zabbix ... DNL Wed11AM 13:26.91 zabbix_agentd: processing request (zabbix_agentd)
zabbix ... SN Wed11AM 2:51.01 zabbix_agentd: main process (zabbix_agentd)
zabbix ... DNL Wed11AM 18:39.71 zabbix_agentd: processing request (zabbix_agentd)
zabbix ... DNL Wed11AM 3:45.54 zabbix_agentd: poller [sleeping for 60 seconds] (zabbix_agentd)

log invested