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How to troubleshoot PCI/NMI, UMCE, and nested machine check exception panics
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/How_to_troubleshoot_PCI_NMI_UMCE_and_nested_machine_check_exception_panics
KB article describes how to troubleshoot the panic types - PCI/NMI, UMCE, non-PCI UMCE and nested machine check exception panics.
PANIC: Uncorrectable Machine Check Error at CPUX
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/PANIC__Uncorrectable_Machine_Check_Error_at_CPUX
sk.panic: Panic String: Uncorrectable Machine Check Error at CPU35. PANIC: Uncorrectable Machine Check Error at CPU26. SKL_IIO Error: STATUS<0xbb80000000000e0b>(VALID,UC,EN,MISCV,PCC,S,AR,CORR_ERR_STA...sk.panic: Panic String: Uncorrectable Machine Check Error at CPU35. PANIC: Uncorrectable Machine Check Error at CPU26. SKL_IIO Error: STATUS<0xbb80000000000e0b>(VALID,UC,EN,MISCV,PCC,S,AR,CORR_ERR_STATUS(0),CORR_ERR_CNT(0),MSCOD(0),MCACOD(0xe0b))MISC<0x00000000ae000000>(UCR_BUS_LOG(174),UCR_DEVICE_LOG(0),UCR_FUNCTION_LOG(0),UCR_SEGMENT_LOG(0))IIO Machine Check from device(s):RPT(174,0,0):ErrSrcID(CorrSrc(0),UCorrSrc(0xae00)), Br[2030](174,0,0): Link down.
40G/100G Ethernet Controller CX5 card missing and PANIC
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/FAS8300_FAS8700_A400_card_missing_in_sysconfig
sysconfig: slot 4 OK: X1148A: 40G/100G Ethernet Controller CX5 SKL_IIO Error: STATUS<0xbb80000000000e0b>(VALID,UC,EN,MISCV,PCC,S,AR,CORR_ERR_STATUS(0),CORR_ERR_CNT(0),MSCOD(0),MCACOD(0xe0b))MISC<0x000...sysconfig: slot 4 OK: X1148A: 40G/100G Ethernet Controller CX5 SKL_IIO Error: STATUS<0xbb80000000000e0b>(VALID,UC,EN,MISCV,PCC,S,AR,CORR_ERR_STATUS(0),CORR_ERR_CNT(0),MSCOD(0),MCACOD(0xe0b))MISC<0x0000000017000000>(UCR_BUS_LOG(23),UCR_DEVICE_LOG(0),UCR_FUNCTION_LOG(0),UCR_SEGMENT_LOG(0))IIO Machine Check from device(s):RPT(23,0,0):ErrSrcID(CorrSrc(0),UCorrSrc(0x1a00)), Mellanox CX5 Ethernet in slot 1 on Controller, Mellanox CX5 Ethernet in slot 1 on Controller.