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Uncorrectable Machine Check Error at CPUXX. SKL_IIO Error on AFF A800 after NIC replacement

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Applies to

  • AFF-A800
  • AFF-C800

Issue

AFF-A800 / C800 after replacing the NIC in slot 2  that was called out by the PCI Analysis tool, the node experienced another Uncorrectable Machine Check Error
 
PANIC: Uncorrectable Machine Check Error at CPU47. 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<0x0000000085000000>(UCR_BUS_LOG(133),UCR_DEVICE_LOG(0),UCR_FUNCTION_LOG(0),UCR_SEGMENT_LOG(0))IIO Machine Check from device(s):RPT(133,0,0):ErrSrcID(CorrSrc(0),UCorrSrc(0x8500)), PLX PCIE 8796 switch on Controller, PCI Device 1425:600d in slot 2 on Controller, T62100-CR Dual 40/100G NIC in slot 2 on Controller.  in SK process wafl_exempt04

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