Skip to main content
NetApp Knowledge Base

CONTAP-172994: Controller has encountered a panic when it tried to free the block

  1. Last updated
    Apr 10, 2025
  2. Save as PDF
Views:
19
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
CORE
Last Updated:
4/10/2025, 11:20:37 AM

Issue

-Flash Cache become offline with following ASUP triggered:
-"HA Group Notification (Flash Cache NVMe Offline) ALERT"
-SYSCONFIG -A show Flash Cache become failed status.
slot 1: Flash Cache NVMe
Serial Number: ZEP0081C
Part Number: 119-00329
Hardware Revision: A0
Firmware Version: NA03
Model Name: X3311A
Capacity: 1024 GB
State: failed

  • Node panics with the following message and a takeover/giveback is performed automatically after Flash Cache offline:
    Panic_Message: Freeing freed block: pvbn x vvbn xxxxxx in volume xxxxxx@vserver:xxxxxxxx.

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.