Edge Datapath is in deadlock state alarm
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Edge Datapath is in deadlock state alarm

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Article ID: 372093

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Updated On:

Products

VMware NSX

Issue/Introduction

Title: Edge Datapath is in deadlock state
Event ID: edge_health.datapath_thread_deadlocked
Alarm Description

  • Purpose: Indicates Edge Datapath is deadlocked. 
  • Impact: 100% traffic drop 

Environment

VMware NSX-T Data Center

Edge form factor:

  • Baremetal Edge 
  • VM Edge 

Cause

Datapath thread blocked for 120 seconds. 

Resolution

Steps to resolve

For 3.1.1 and higher

Recommended Action:

  • Collect support bundle when alarm is raised 
  • Collect gcore (if sufficient space (40Gb) is available in /var/dump) 
    • Command to get Datapath process ID: cat /var/run/vmware/edge/dpd.pid
    • Command to collect gcore: /opt/vmware/nsx-edge/sbin/gcore /var/dump/<gcore filename> dp_process_id 
  • If sufficient space isn’t available, move existing file out of /var/dump

Maintenance window required for remediation? No