Trigger a Kernel Panic on Google Compute Engine Instances by NMI method to capture vmcore.
Issue
- How to configure Kdump on Compute Engine.
- How to manually generate vmcore at the time of system hung by using NMI method.
Prerequisites
-
Kdump should be running and tested before; follow this article to configure and test the Kdump Utility.
How to troubleshoot kernel crashes, hangs, or reboots with kdump on Red Hat Enterprise Linux
Handling a Non-Responsive Virtual Machine by Sending a Non-Maskable Interrupt -
Alternatively, For Kdump Configuration purpose use of Kdump helper can also be considered.
Environment
- Google Cloud Compute
- Red Hat Enterprise Linux
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