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Process To Capture Dumps Manually When Linux OS Hangs on Baremetal and Virtual Env (VMware Guest / Oracle VM) (Doc ID 2091397.1)

Last updated on DECEMBER 26, 2018

Applies to:

Linux OS - Version Oracle Linux 5.2 and later
Oracle Cloud Infrastructure - Version N/A and later
Oracle Exalogic Elastic Cloud X2-2 Hardware - Version X6 and later
Information in this document applies to any platform.

Goal

Generating vmcore from a hung machine.
 

Solution

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In this Document
Goal
Solution
 1. Configure kdump and make sure the core is generated by issuing "echo c > /proc/sysrq-trigger".
 2. edit the file /etc/sysctl.conf and add the below lines to enable panic on different scenarios.
 3. Trigger the crash.
References


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