ESXI Hosts experiencing PSOD, reporting a PCI Bus error

Products

• VMware vSAN

Issue/Introduction

Issue can occur on existing or fresh installation of vSphere ESXI hosts show:

Environment

vSphere ESXI 8.x

vSphere ESXI 7.x

Cause

the issue is hardware related, either on the main board or the processor. 

Similar entries as the following are observed in the hardware IPMI List:

0.157        System Board 1 WILL_BOOT_FAULT            7.1              Predictive Failure Deasserted  unspecified  1            Processor       2025-11-11T20:25:44       7c
 00 51 01 3a 20 00 9d 07 01 67 40 07 04 03 00 00 00 03 00 c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 cf 57 49 4c 4c 5f 42 4f 4f 54 5f 4
6 41 55 4c 54
0.158        Processor 1 BIST_FAIL                     3.1              Transition to OK               unspecified  1            Processor       2025-11-11T20:25:44       7d
 00 51 01 34 20 00 9e 03 01 67 c0 07 07 0e 00 00 00 0f 00 c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c9 42 49 53 54 5f 46 41 49 4c

Resolution

Advise customer to open a ticket with the hardware vendor to swap out faulty components (cpu/ main board) in chassis to resolve the issue