ESXi Host goes into Not responding state due to Hardware Failure

Products

• VMware vSphere ESXi

Issue/Introduction

• On the vSphere Client, an ESXi host is in a 'Not Responding' state.
• No system logs are seen on the ESXi console or on the Host Client under Monitor -> Logs
• After the Host is rebooted, there are no logs available after the Host went unresponsive and before the reboot.

Environment

VMware vSphere ESXi 8.x

Cause

• The hardware encountered a critical/fatal error causing the ESXi host to go into 'Not Responding' state.
• Below are the System event logs (IPMI log) entries on the Host that are retrieved by the command: esxcli hardware ipmi sel list


  Record:####:
     Record Id: ####
     When: YYYY-MM-DDTHH:MM:SS
     Event Type: 4 (Minor)
     SEL Type: 2 (System Event)
     Message: Assert + Processor Predictive Failure Asserted
     Sensor Number: ###
     Raw:
     Formatted-Raw: ## 08 02 ## ## ## ## ## 00 04 07 af 04 01 ## ##

  Record:####:
     Record Id: ####
     When: YYYY-MM-DDTHH:MM:SS
     Event Type: 4 (Minor)
     SEL Type: 2 (System Event)
     Message: Assert + Processor Predictive Failure Asserted
     Sensor Number: ###
     Raw:
     Formatted-Raw: ## 08 02 ## ## ## ## ## 00 04 07 81 04 00 ## ##

Resolution

• Reboot the ESXi host.
• Engage hardware vendor for a detailed investigation on the source of the hardware failure.

Additional Information

For more information on error  "Assert + Processor Predictive Failure Asserted", refer:
ESXi Host goes into Not responding state due to unexpected reboot
Host fails with PSOD referencing error "I/O error reported by PCI"