Exalogic guest vServer CPU soft Lockup's, VM Host Dom0 compute node server reboot
(Doc ID 1555947.1)
Last updated on AUGUST 30, 2013
Applies to:Oracle Exalogic Elastic Cloud Software - Version 18.104.22.168.0 to 22.214.171.124.0
This Document is applicable to Exalogic Virtual Environments only.
In following listed scenarios, the issue can be seen:
Scenario 1 : CPU soft lockup in Guest vServers resulting an intermittent hang for a short period on the guest vServers.
Scenario 2 : Oracle VM server hosts (compute nodes, dom0) can become unresponsive and lose network connectivity during long idle periods. Under this condition and as designed in Oracle VM, the OCFS2 heartbeat mechanisms can initiate a server reboot if the host is unable to communicate with the remainder of the cluster.
Symptom’s for Scenario 1 : Following Exception Trace on vServer console shows the soft lockup.
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