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PCI Error NMI from device(s): PLX PCIE 8764 switch on Controller due to NVRAM Module failed

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Category:
ontap-9
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hw
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Applies to

  • AFF-A700

Issue

  • ONTAP cluster node reboots unexpectedly:
PANIC: PCI Error NMI from device(s):ErrSrcID(CorrSrc(0x5f48),UCorrSrc(0)), RPT(0,3,0):PLX PCIE 8764 switch in slot 6 on Controller.  in process idle: cpu6 on release 9.12.1P3 (C) on Sun May 18 22:55:48 JST 2025
  • The slot of NVRAM Module is located by analyze tool.
  • Both of two DIMMs show failed.
environ -show_all
=================
Sensor Name              State          Current    Critical     Warning     Warning    Critical
Reading       Low         Low         High       High
-------------------------------------------------------------------------------------------------
NVS DIMM0 Temp           failed            -- C         0 C         5 C        80 C        85 C
NVS DIMM1 Temp           failed            -- C         0 C         5 C        80 C        85 C

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