MCE errors are caused by hardware failures and cause ESXi servers to PSOD. The MCi_STATUS register is useful in debugging the PSOD. The MCi_STATUS register consists of information about the machine check error. The register is displayed next to the “S:” as shown in the example below. MC: PCPU18 B:13 S:0xfe20004000011166 M:0x7246040086 A:0x38c989b100 5 Reference: VMware KB - Decoding Machine Check Exception (MCE) output after a purple screen error (1005184)
MCi_STATUS Code:
ERROR MEANING: