Compute Node Reboot with ZERO DIVIDE AT FIND_BUSIEST_GROUP (Doc ID 1615373.1)

Last updated on JANUARY 30, 2017

Applies to:

Exadata X3-2 Hardware - Version All Versions to All Versions [Release All Releases]
Information in this document applies to any platform.

Symptoms

 Compute node was restarted without any errors in message, CRS, CSSD. No load issues are seen in oswatcher logs.

 

Message file shows:

 

Nov 13 20:28:34 exakdbadm02 auditd[5220]: Audit daemon rotating log files
Nov 13 20:28:34 exakdbadm02 auditd[5220]: Audit daemon rotating log files
Nov 13 23:10:47 exakdbadm02 syslogd 1.4.1: restart.                                                      <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
Nov 13 23:10:47 exakdbadm02 kernel: klogd 1.4.1, log source = /proc/kmsg started.
Nov 13 23:10:47 exakdbadm02 kernel: Initializing cgroup subsys cpuset

Changes

 ILOM snapshot shows error:


RIP  [<ffffffff81053c35>] find_busiest_group+0x7ba/0x88e
RSP <ffff882ed9645948>
---[ end trace 44010a4c56e3c3b8 ]---
divide error: 0000 [#2]
Kernel panic - not syncing: Fatal exception        <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms