terminate called after throwing an instance of 'std::system_error'

[burf2000]

Firing the robot launch file now produces

ros2_control_node-2] [INFO] [1733496136.662297944] [controller_manager]: update rate is 30 Hz
[ros2_control_node-2] [INFO] [1733496136.662563551] [controller_manager]: Spawning controller_manager RT thread with scheduler priority: 50
[ros2_control_node-2] [WARN] [1733496136.679147513] [controller_manager]: No real-time kernel detected on this system. See [https://control.ros.org/master/doc/ros2_control/controller_manager/doc/userdoc.html] for details on how to enable realtime scheduling.
[ros2_control_node-2] terminate called after throwing an instance of 'std::system_error'
[ros2_control_node-2] what(): Resource temporarily unavailable
[ros2_control_node-2] Stack trace (most recent call last):
[ros2_control_node-2] #12 Object "/usr/lib/aarch64-linux-gnu/ld-linux-aarch64.so.1", at 0xffffffffffffffff, in
[ros2_control_node-2] #11 Object "/opt/ros/humble/lib/controller_manager/ros2_control_node", at 0xaaaabdbe476f, in
[ros2_control_node-2] #10 Object "/usr/lib/aarch64-linux-gnu/libc.so.6", at 0xffffa82b74cb, in __libc_start_main@@GLIBC_2.34
[ros2_control_node-2] #9 Object "/usr/lib/aarch64-linux-gnu/libc.so.6", at 0xffffa82b73fb, in __libc_start_call_main
[ros2_control_node-2] #8 Object "/opt/ros/humble/lib/controller_manager/ros2_control_node", at 0xaaaabdbe404f, in
[ros2_control_node-2] #7 Object "/opt/ros/humble/lib/librclcpp.so", at 0xffffa879249b, in
[ros2_control_node-2] #6 Object "/usr/lib/aarch64-linux-gnu/libstdc++.so.6.0.30", at 0xffffa8512e6f, in
[ros2_control_node-2] #5 Object "/usr/lib/aarch64-linux-gnu/libstdc++.so.6.0.30", at 0xffffa8512b1f, in
[ros2_control_node-2] #4 Object "/usr/lib/aarch64-linux-gnu/libstdc++.so.6.0.30", at 0xffffa8512abb, in
[ros2_control_node-2] #3 Object "/usr/lib/aarch64-linux-gnu/libstdc++.so.6.0.30", at 0xffffa85162db, in
[ros2_control_node-2] #2 Object "/usr/lib/aarch64-linux-gnu/libc.so.6", at 0xffffa82b712f, in abort
[ros2_control_node-2] #1 Object "/usr/lib/aarch64-linux-gnu/libc.so.6", at 0xffffa82ca67b, in raise
[ros2_control_node-2] #0 Object "/usr/lib/aarch64-linux-gnu/libc.so.6", at 0xffffa830f200, in __pthread_kill_implementation
[ros2_control_node-2] Aborted (Signal sent by tkill() 2246 1000)
[ERROR] [ros2_control_node-2]: process has died [pid 2246, exit code -6, cmd '/opt/ros/humble/lib/controller_manager/ros2_control_node --ros-args --params-file /tmp/launch_params_zjh283an --params-file /home/burf2000/robot_ws/install/ros_bot/share/ros_bot/config/my_controllers.yaml'].
[spawner-4] [INFO] [1733496138.519636167] [spawner_diff_cont]: waiting for service /controller_manager/list_controllers to become available...