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I am running ROS Hydro on Ubuntu 13.04, with kernel 3.8.0-35-generic. My graphics card info: ATI Seymour [Radeon HD 6400M/7400M Series], and I am using the Radeon driver.

I get an error while trying to run the following command from the turtlebot_simulator tutorial:

roslaunch turtlebot_gazebo turtlebot_playground.launch

(I get a similar error while trying to run "roslaunch turtlebot_gazebo turtlebot_empty_world.launch" also)

This is what I get in the terminal window:

process[cmd_vel_mux-6]: started with pid [13821] process[bumper2pointcloud-7]: started with pid [13840] Msg Waiting for master.process[robot_state_publisher-8]: started with pid [13859] [ INFO] [1404322766.629329135]: Finished loading Gazebo ROS API Plugin. Msg Waiting for master [ INFO] [1404322766.636610011]: waitForService: Service [/gazebo/set_physics_properties] has not been advertised, waiting... Msg Connected to gazebo master @ http:// Msg Publicized address: process[laserscan_nodelet_manager-9]: started with pid [13920] process[depthimage_to_laserscan-10]: started with pid [13926] Floating point exception (core dumped)

[gazebo-2] process has died [pid 13782, exit code 136, cmd /opt/ros/hydro/lib/gazebo_ros/gzserver /opt/ros/hydro/share/turtlebot_gazebo/worlds/playground.world __name:=gazebo __log:=/home/fastslam/.ros/log/cf107f7c-020f-11e4-bfba-e4115b24feb2/gazebo-2.log]. log file: /home/fastslam/.ros/log/cf107f7c-020f-11e4-bfba-e4115b24feb2/gazebo-2*.log


Error [ConnectionManager.cc:116] Failed to connect to master in 30 seconds.

[gazebo_gui-3] process has died [pid 13787, exit code 255, cmd /opt/ros/hydro/lib/gazebo_ros/gzclient __name:=gazebo_gui __log:=/home/fastslam/.ros/log/cf107f7c-020f-11e4-bfba-e4115b24feb2/gazebo_gui-3.log]. log file: /home/fastslam/.ros/log/cf107f7c-020f-11e4-bfba-e4115b24feb2/gazebo_gui-3*.log

Originally posted by tadityasrinivas on ROS Answers with karma: 1 on 2014-07-02

Post score: 0

Original comments

Comment by tadityasrinivas on 2014-07-07:
Resolved the problem. The issue was with the graphics driver. Installing proprietary ATI drivers resolved it.


1 Answer 1


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Could you check this page ( http://answers.ros.org/question/65402/gazebo-fail-to-connect-to-master-in-30-seconds-it-does-not-run-from-the-very-first-time/ )? Probably this answer solves your problem. Because Error message says Failed to connect to master in 30 seconds. Your problem has a relationship with gzclient and gzserver. I think so.

Originally posted by Ken_in_JAPAN with karma: 894 on 2014-07-02

This answer was ACCEPTED on the original site

Post score: 1


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