What actions occur in the system if the operating system kernel encounters an error (kernel panic) outside of a Docker container?

When the operating system kernel causes a kernel panic outside a Docker container, a critical error occurs that prevents the system from continuing to operate. As a result:

• All processes, including Docker and containers, are stopped.
• An error message about kernel panic with diagnostic information is usually displayed on the screen.
• The system may automatically reboot if a watchdog or a corresponding kernel parameter is configured.
• If automatic reboot is not configured, the system remains in a halted state, requiring manual intervention.

It is important to understand that kernel panic is a kernel-level error, and Docker containers do not isolate from such failures. Therefore, when a kernel panic occurs outside a container, the entire system becomes inaccessible.