Chaochao

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Segment fault occurred when node was added to executor if the callback group variable created was local

> Hello @Chaochao0215, maybe we could build a debug type of this source code and use `gdb` to backtrace when it crashed Glad to receive your reply, this issue reoccuered...

Segment fault occurred when node was added to executor if the callback group variable created was local

> I tried your code and I can't reproduce the segment fault. However, in gdb backtrace it seems like a multi-thread problem, rebuild your program with > > ```cmake >...

Segment fault occurred when node was added to executor if the callback group variable created was local

> > 6. send the message subscribed in the new shell terminal, such as 'ros2 topic pub /test_callback_group std_msgs/msg/String "data: hello" > > I missed this step. I'm sorry i...

Segment fault occurred when node was added to executor if the callback group variable created was local

> I tried your code, but I cannot find segment fault. My test environment is based on ros2 Debian package (ros-humble-rclcpp 16.0.8-1jammy.20240217.065743). Thank you for your attention, it occurs with...