Could not allocate configuration semaphore 'sem' for ***,Throwing std::bad_alloc.

[dbdxnuliba]

Rtt_robot_state_pub constructed !
1.160 [CRITICAL][Thread] Could not allocate configuration semaphore 'sem' for Rtt_robot_state_pub. Throwing std::bad_alloc.
1.160 [ ERROR ][ScriptingService] Exception raised while executing an operation : std::bad_alloc
1.160 [ ERROR ][ScriptingService] in Deployer: unhandled exception in sent operation.
/home/dell/isir/rtt_ros-2.9_ws/install/lib/rtt_ros/deployer: line 5: 24004 Segmentation fault (core dumped) deployer "$@"

[snrkiwi]

Do you have any more information? Like which OS are you building on, what compiler version, what version of RTT you used, etc?