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Material for the CMP3103 Module
https://blackboard.lincoln.ac.uk/webapps/blackboard/execute/announcement?method=search&context=course&course_id=_189084_1&handle=cp_announcements&mode=cpview
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[uol_turtlebot_simulator] Possible race condition seems to break gazebo #15

Closed cdondrup closed 7 years ago

cdondrup commented 9 years ago

When starting labc.launch gazebo exits with:

X Error of failed request:  BadDrawable (invalid Pixmap or Window parameter)
  Major opcode of failed request:  154 (DRI2)
  Minor opcode of failed request:  3 (DRI2CreateDrawable)
  Resource id in failed request:  0x4400002
  Serial number of failed request:  31
  Current serial number in output stream:  33
[gazebo_gui-3] process has died [pid 18646, exit code 1, cmd /opt/ros/indigo/lib/gazebo_ros/gzclient __name:=gazebo_gui __log:=/home/computing/.ros/log/47b3c6fe-8e01-11e5-847c-c86000ee6363/gazebo_gui-3.log].
log file: /home/computing/.ros/log/47b3c6fe-8e01-11e5-847c-c86000ee6363/gazebo_gui-3*.log

When the components of that launch file are started separately, everything seems to work fine.

This happened on one of the PCs in Lab B. Needs to be investigated.

cdondrup commented 9 years ago

Can't reproduce this on my machine. I will split up the launch files as a work around if that error occurs.