[collectd] SNMP Plugin: segfault and snmp_sess_synch_response failed: Timeout

[adnane]

hello

I use the following configuration, to monitor switchs
<Plugin snmp>
  <Data "uptime">
    Type "uptime"
    Table false
    Instance ""
    Scale 0.01
    Values  "DISMAN-EVENT-MIB::sysUpTimeInstance"
  </Data>

  <Data "memory_free">
    Type "memory_free"
    Table true
    Instance "CISCO-MEMORY-POOL-MIB::ciscoMemoryPoolName"
    Values  "CISCO-MEMORY-POOL-MIB::ciscoMemoryPoolFree"
  </Data>

  <Data "memory_used">
    Type "memory_used"
    Table true
    Instance "CISCO-MEMORY-POOL-MIB::ciscoMemoryPoolName"
    Values "CISCO-MEMORY-POOL-MIB::ciscoMemoryPoolUsed"
  </Data>

  <Data "CPU_usage">
    Type "percent"
    Table false
    Instance "cpmCPUTotalMonIntervalValue"
    Values "CISCO-PROCESS-MIB::cpmCPUTotalMonIntervalValue.1"
  </Data>

  <Data "std_traffic">
    Type "if_octets"
    Table true
    Instance "IF-MIB::ifDescr"
    Values "IF-MIB::ifInOctets" "IF-MIB::ifOutOctets"
  </Data>

the issue is it only support 3 devices, once I add 4th one i get
kernel: collectd[57903]: segfault at 18 ip 000000363b075fb3 sp 
00007f4416b6d580 error 4 in libc-2.12.so
and
snmp plugin: host somehost snmp_sess_synch_response failed: Timeout

I think it is a limitation from the OS (centos6) but can't find where,

any ideas plz ?



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