ROS GDB 使用和core dump分析

参考:http://wiki.ros.org/roslaunch/Tutorials/Roslaunch%20Nodes%20in%20Valgrind%20or%20GDB

https://blog.csdn.net/sunxiaoju/article/details/51993091

生成core dump文件,
echo 1 > /proc/sys/kernel/core_uses_pid
才会生成core.pid 文件到 ~/.ros  目录下

以上命令需要用root用户,
ubuntu root 用户密码设置: 
1)root用户解锁: sudo passwd -u root
2) 设置root 用户密码:sudo passwd root
 

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转载自blog.csdn.net/haima1998/article/details/82318766