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CHW-3542: NVRAM12 module Device 20/0/0 (IO4) missing during ONTAP upgrade

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Category:
ontap-9
Specialty:
hw
Last Updated:

Issue

  • During an ONTAP upgrade post node reboot and BIOS upgrade, system reports PCI device missing associated with NVRAM12 module in I/O slot 4:

BIOS Version: 20.5
Portions Copyright (C) 2014-2025 NetApp, Inc. All Rights Reserved.
Initializing System Memory ...
Loading Device Drivers ...
Configuring Devices ...
Device 20/0/0 (IO4) missing
Device(s) in slot missing, attempting to recover it.
System is resetting.
BIOS Version: 20.5
Portions Copyright (C) 2014-2025 NetApp, Inc. All Rights Reserved.
Initializing System Memory ...
Loading Device Drivers ...
Configuring Devices ...
Device 20/0/0 (IO4) missing
Boot Loader version 8.5.1
Copyright (C) 2000-2003 Broadcom Corporation.
Portions Copyright (C) 2002-2025 NetApp, Inc. All Rights Reserved.
ACPI RSDP Found at 0x777fe014
BIOS POST Failure(s) detected: PCIe device missing error detected. Abort AUTOBOOT
LOADER-A>
  • Node unable to boot due to missing PCIe device NVRAM12 module

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