Kernel panic occurred because high priority RT task occupied CPU
Issue
- Kernel panic was triggered by
kernel.hung_task_panic = 1. khungtaskddetected a task stuck in D state longer thankernel.hung_task_timeout_secs.
Environment
- Red Hat Enterprise Linux 8.6
- RHEL-RT
- kernel-4.18.0-372.32.1.rt7.189.el8_6
- CPU isolation
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