Server Crashed with "Kernel panic - not syncing: Watchdog detected hard LOCKUP on cpu 11" on RHCK 2.6.32-431.5.1.el6.x86_64
(Doc ID 2232828.1)
Last updated on JANUARY 29, 2020
Applies to:
Linux OS - Version Oracle Linux 6.5 and laterOracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Symptoms
- Oracle Linux 6 server crashed
- Kernel version: RHCK kernel 2.6.32-431.5.1.el6.x86_64
- From vmcore file, server rebooted because NMI lockup was triggered on CPU 11.
- NMI exception with NO kernel call stack in call trace
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |