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HCI compute host crashed with uncorrectable memory error

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Applies to

  • NetApp HCI Compute nodes
  • VMware ESXi

Issue

  • ESXi host experiences a PSOD (purple diagnostics screen) with uncorrectable memory error for DIMM 
  • Possible BMC System Event Logs (SEL):
    • BIOS OEM(Memory Error) (runtime) Failing DIMM: DIMM location. (PX-DIMMXX) - Assertion
    • BIOS OEM(Memory Error) Failing DIMM: DIMM location (Uncorrectable Memory Component Found) (PX-DIMMXX) - Assertion
    • Memory(OEM) Uncorrectable ECC / other uncorrectable memory error @PX-DIMMXX(CPUX) - Assertion
    • [Memory Error]    [Memory]        Uncorrectable ECC(CPUX_BX) - Asserted"
    • BIOS OEM(Memory Error) Post package repair fail. (PX-DIMMXX) - Assertion
    • BIOS OEM(Memory Error) Memory signal is too marginal. (PX-DIMMXX) - Assertion

Example: from BMC SEL

2010183120 - BMC SEL DIMM error.jpg

 

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