I may have found THE or a critical line, but have no idea why this would lead to a core dump and no idea how to solve this On 12.08.2015 11:05, Maechler Philippe wrote: [snip] > ----------------- > class DataCollector extends Thread { [snip] > public function run() { [snip] > # > # get SNMP Data and process host->interfaces > #------------------------------------------- > $snmpdata_if = @snmp2_real_walk( > $this->snmpHost->ip, > $this->snmpHost->community, > "interfaces.ifTable.ifEntry", > SNMP_TIMEOUT, > SNMP_RETRIES); ... When I remove the @ in front of snmp2_real_walk I'll get a few errors like: PHP Warning: snmp2_real_walk(): Fatal error: in scripts/DataCollector.php on line 89 Warning: snmp2_real_walk(): Fatal error: in scripts/DataCollector.php on line 89 But i also get Messages like Warning: snmp2_real_walk(): Fatal error: in scripts/DataCollector.php on line 89 PHP Warning: snmp2_real_walk(): Fatal error: Failure in recvfrom (Bad file descriptor) (Resource temporarily unavailable) in scripts/DataCollector.php on line 89 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php