Trigger a Kernel Panic on Nutanix Instances by SYSRQ method to capture vmcore.
Environment
- Red Hat Enterprise Linux
- Nutanix AHV Hypervisor
Issue
- How to configure Kdump on Nutanix AHV Hypervisor.
- How to manually generate vmcore at the time of system hung by using sysrq 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 -
Alternatively, For Kdump Configuration purpose use of This content is not included.Kdump helper can also be considered.
Resolution
- Once the above settings are successfully configured and tested. Use the below article for Sending SYSRQ using the AHV CLI.
Content from portal.nutanix.com is not included.Content from portal.nutanix.com is not included.https://portal.nutanix.com/page/documents/kbs/details?targetId=kA00e000000CwC9CAK
Disclaimer: Links contained herein to external website(s) are provided for convenience only. Red Hat has not reviewed the links and is not responsible for the content or its availability. The inclusion of any link to an external website does not imply endorsement by Red Hat of the website or their entities, products or services. You agree that Red Hat is not responsible or liable for any loss or expenses that may result due to your use of (or reliance on) the external site or content.
SBR
Product(s)
Components
Category
This solution is part of Red Hat’s fast-track publication program, providing a huge library of solutions that Red Hat engineers have created while supporting our customers. To give you the knowledge you need the instant it becomes available, these articles may be presented in a raw and unedited form.