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AFF A400/FAS8300/FAS8700 UMCE panic with Broadcom LPE16004 on Unknown

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aff-series
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hw
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Applies to

  • AFF A400
  • FAS8300
  • FAS8700

Issue

  • Controller panics with string similar to:
PANIC : Uncorrectable Machine Check Error at CPU15. 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<0x0000000085100000>(UCR_BUS_LOG(133),UCR_DEVICE_LOG(2),UCR_FUNCTION_LOG(0),UCR_SEGMENT_LOG(0))IIO Machine Check from device(s):RPT(133,2,0):ErrSrcID(CorrSrc(0),UCorrSrc(0x8502)), Broadcom LPE16004 on Unknown, Broadcom LPE16004 on Unknown. .
  • There may or may not be pcie.stealth.errors observed in EMS prior to panic similar to:

pcie.stealth.errors: pcie_errors="IIO6: RPT(133,2,0): Broadcom LPE16004 on Unknown, Broadcom LPE16004 on Unknown, Dv[e200](135,0,0): DevStatus(Corr), CorrErr(Rcvr); Dv[e200](135,0,1): DevStatus(Corr), CorrErr(Rcvr); "

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