Alessandro Tondo

I think I'm facing a similar problem without `ros_control_boilerplate` installed: if I launch several `rosrun controller_manager controller_manager spaw ...` commands almost simultaneously, they stuck while spawning controllers, e.g. *Terminal 1:*...

@miguelprada as said at the beginning I have no `ros_control_boilerplate` installed in my system. Please, let me know whether it is better to open a new issue or not. @bmagyar...

@ipa-mdl these are my first-level dependencies, but I don't think there is nothing like `ros_control_boilerplate`: ``` roscpp actionlib combined_robot_hw hardware_interface joint_limits_interface transmission_interface urdf control_msgs control_toolbox controller_manager message_runtime std_msgs std_srvs ```...

Thank you @ipa-mdl! And what about a dedicated Callback Queue and AsyncSpinner pair to handle the `controller_manager` update loop? Would it be ok, or it may suffer the same deadlock...

Just to be sure I had got it correctly ;) Thank you very much!

Thank you for your quick response. I'm sorry but at the moment I don't think to have time to understand completely what changes should be done to implement this feature....

Brief output of the fault: ``` ... [DEBUG] [1512056439.057251123]: Trying to transition to WAITING_FOR_RESULT [DEBUG] [1512056439.057272405]: Transitioning CommState from ACTIVE to WAITING_FOR_RESULT [DEBUG] [1512056439.057292738]: Trying to transition to DONE [DEBUG]...

Same issue here after upgrading to 7.6.9. I can see the client working from the web interface but if I open the FAHControl GUI from a terminal, it says: ```...