PPR memory test passed yet the LED fault light stays ON: Resolution Guide
Applies to
- AFF systems
- ASA systems
- FAS systems
- ONTAP 9
- Post Package Repair (PPR)
Issue
Node panicked due to an uncorrectable DIMM error:
PANIC: ECC error at DIMM-14: 2C-0F-1651-150A2A63,ADDR 0x7d28fefd80,(Node(0), Memory controller(0), CH(1), DIMM(0), Rank(1), Bank Group(2), Bank(0x0), in process vifmgr on release 9.7P8 (C) on Thu Dec 31 06:50:11 PST 2020 version: 9.7P8:- The DIMM was tested by PPR during boot and the DIMM passed the test per BIOS updates for memory reliability and the PPR feature.
- However, upon boot up, ONTAP maintained the fault LED ON for the DIMM.