Preview Tool

Cisco Bug: CSCvv27832 - Kernel panic on DS-X97-SF4-K9 model supervisor

Last Modified

Oct 08, 2020

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases


Description (partial)

A DS-X97-SF4-K9 model supervisor fails and restarts with the following type of syslog messages:
%SYSMGR-2-HASWITCHOVER_START: Supervisor 4 is becoming active.
%MODULE-5-STANDBY_SUP_OK: Supervisor 3 is standby
Note: the callhome messages will appear if callhome is configured and enabled.

The detailed failure reason shown by the show system reset-reason command for the affected supervisor (which would be the standby) is 'Kernel Panic':
----- reset reason for Supervisor-module 3 (from Supervisor in slot 3) ---
  1) At 280512 usecs after Sun Aug  2 08:48:44 2020
     Reason: Kernel Panic

Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.