I have been trying to get the Microstrain Imu driver working on the Gumstix. The driver compiles and appears to connect to the imu successfully however as soon as I try to subscribe or echo the data from the /imu/data topic the driver crashes. I have attached the backtrace from gdb. Any ideas? [ INFO] [1290400017.209869037]: Connected to IMU [ 3DM-GX2] model [ 4200] s/n [ 4040] options [ 5g 300d/s] [ INFO] [1290400017.214690983]: Calibrating IMU gyros. [ INFO] [1290400029.371214575]: Imu: calibration check succeeded: angular drift 0.285323 deg/msec < 5.729578 deg/msec [ INFO] [1290400029.376402745]: IMU gyro calibration completed. [ INFO] [1290400030.381717452]: Initializing IMU time with offset 0.000000. [ INFO] [1290400030.398319596]: IMU sensor initialized. Program received signal SIGILL, Illegal instruction. allInOne > const&> (message=...) at /stacks/common_msgs/geometry_msgs/msg_gen/cpp/include/geometry_msgs/Quaternion.h:182 182 stream.next(m.y); (gdb) bt #0 allInOne > const&> (message=...) at /stacks/common_msgs/geometry_msgs/msg_gen/cpp/include/geometry_msgs/Quaternion.h:182 #1 write > > (message=...) at /stacks/common_msgs/geometry_msgs/msg_gen/cpp/include/geometry_msgs/Quaternion.h:187 #2 serialize >, ros::serialization::OStream> (message=...) at /opt/ros/cturtle/ros/core/roslib/include/ros/serialization.h:149 #3 next > > (message=...) at /opt/ros/cturtle/ros/core/roslib/include/ros/serialization.h:741 #4 allInOne > const&> (message=...) at /stacks/common_msgs/sensor_msgs/msg_gen/cpp/include/sensor_msgs/Imu.h:315 #5 write > > (message=...) at /stacks/common_msgs/sensor_msgs/msg_gen/cpp/include/sensor_msgs/Imu.h:323 #6 serialize >, ros::serialization::OStream> (message=...) at /opt/ros/cturtle/ros/core/roslib/include/ros/serialization.h:149 #7 ros::serialization::serializeMessage > > (message=...) at /opt/ros/cturtle/ros/core/roslib/include/ros/serialization.h:809 #8 0x0002157c in operator() >&), boost::_bi::list0> ( function_obj_ptr=) at /usr/include/boost/bind/bind.hpp:236 #9 boost::_bi::bind_t > const&), boost::_bi::list1 > const> > >::operator() ( function_obj_ptr=) at /usr/include/boost/bind/bind_template.hpp:20 #10 boost::detail::function::function_obj_invoker0 > const&), boost::_bi::list1 > const> > >, ros::SerializedMessage>::invoke ( function_obj_ptr=) at /usr/include/boost/function/function_template.hpp:132 #11 0x40366998 in boost::function0::operator() ( this=0x65930, topic=, serfunc=..., m=...) at /usr/include/boost/function/function_template.hpp:1013 #12 ros::TopicManager::publish(std::string const&, boost::function const&, ros::SerializedMessage&) (this=0x65930, topic=, serfunc=..., m=...) at /opt/ros/cturtle/ros/core/roscpp/src/libros/topic_manager.cpp:726 #13 0x403a7690 in ros::Publisher::publish(boost::function const&, ros::SerializedMessage&) const (this=0xbed52fc8, serfunc=..., m=...) at /opt/ros/cturtle/ros/core/roscpp/src/libros/publisher.cpp:93 #14 0x00028828 in ros::Publisher::publish > > (this=0xbed52fc8, message=) at /opt/ros/cturtle/ros/core/roscpp/include/ros/publisher.h:108 #15 0x0002aa14 in ImuNode::publish_datum (this=0xbed52b28) at /stacks/imu_drivers/microstrain_3dmgx2_imu/imu_node.cc:331 #16 0x00020edc in ImuNode::spin (argc=Cannot access memory at address 0xdddd5 ) at /stacks/imu_drivers/microstrain_3dmgx2_imu/imu_node.cc:360 #17 main (argc=Cannot access memory at address 0xdddd5 ) at /stacks/imu_drivers/microstrain_3dmgx2_imu/imu_node.cc:685 Steve