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

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Category:: ontap-9

Specialty:: hw

Last Updated:

Applies to

AFF A700
FAS9000
NVRAM10 card in the slot 6
Unexpected node reboot with PCI NMI disruption

Issue

ONTAP cluster node reboots unexpectedly. Examples:

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

PANIC: PCI Error NMI from device(s):ErrSrcID(CorrSrc(0x3888),UCorrSrc(0)), RPT(0,3,0):PLX PCIE 8780 switch on Controller. in process idle: cpu14 on release 9.9.1P7 (C) on Tue Jun 7 18:22:26 03 2022

Service Processor events example:

Record 1052: Tue Jun 07 15:22:27.616491 2022 [IPMI Event.critical]: NMI
Record 1053: Tue Jun 07 15:22:28.755452 2022 [IPMI Event.critical]: L2 watchdog timeout hard reset

Both of two DIMMs may show failed. Example:

BMC> 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