NMI watchdog: BUG: soft lockup - CPU # stuck for #s! [X:3005]" in message log file after a Flame application crash

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URL :-  https://www.autodesk.com/support/technical/article/caas/sfdcarticles/sfdcarticles/NMI-watchdog-BUG-soft-lockup-CPU-stuck-for-s-X-3005-in-message-log-file-after-a-Flame-application-crash.html


Issue:

After a Flame application crash there is a error message in the system /var/log/messages log file:

Apr  8 19:20:36 hostname kernel: NMI watchdog: BUG: soft lockup - CPU#9 stuck for 22s! [X:3005]

 

Environment:

Linux CentOS 7.x

Causes:

Current time for CPU is greater than Watchdog threshold causing a soft lockup.

Solution:

To resolve this behavior, perform the following steps as root user:
  1. Edit the file '/etc/sysctl.conf' and add the following line at the end
    • "kernel.watchdog_thresh=30"
  2. Save and Exit.
  3. Reboot machine.

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