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Gazebo will segfault if any of the components (mechanism controller stack, dynamic plug-ins, etc) fail. To make PR2 simulator a useful tool, you will want to run it in debug mode sometimes. Assuming user is familiar with gdb, here are 3 ways to obtain a backtrace.

Launching GDB with roslaunch

Manual

Attach GDB to a Running Process



2022-05-28 12:54