cfgAgent process crash on ESXi host causes an NSX alarm, Application on NSX node <hostname> has crashed
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cfgAgent process crash on ESXi host causes an NSX alarm, Application on NSX node <hostname> has crashed

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Article ID: 322495

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Updated On:

Products

VMware NSX Networking

Issue/Introduction

 

 


Symptoms:

  • You are running NSX 4.x.
  • In the NSX-T manager UI, a Critical alarm or alarms are generated with the following details:
Application on NSX node <hostname> has crashed. The number of core files found is 1. Collect the Support Bundle including core dump files and contact VMware Support team. Recommended Action Collect Support Bundle for NSX node <hostname> using NSX Manager UI or API.
  • On the ESXi host, we see the following core dump:
/var/core/nsx-cfgagent-zdump.XXX
  • In the log file /var/run/log/vobd.log we see entries:
[esx.problem.application.core.dumped] An application (/usr/lib/vmware/nsx-cfgagent/bin/nsx-cfgagent) running on ESXi host has crashed (1 time(s) so far). A core file may have been created at /var/core/nsx-cfgagent-zdump.000.
  • In the logfile /var/run/log/nsx-syslog.log we see the following entries:
CFGAGENT_ALLOC_FAIL : CfgAgent error: no memory!

Environment

VMware NSX-T Data Center

Cause

The NSX-T agent running on the host cfgAgent is running out of memory when the IP reputation feature is enabled and is updating.

Resolution

This is a known issue impacting NSX-T data center.


Workaround:

You can disable IP Reputation checks to prevent this issue from occurring again.
In the NSX-T UI, go to SecurityDistributed Firewall and Click on Actions

Under SettingsMalicious IP Feeds

Change Auto-update Malicious IPs from On to Off.