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Add in a possible troubleshooting solution for WSL2. (backport #3965) #4003

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Nov 6, 2023
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Add in a possible troubleshooting solution for WSL2. (backport #3965) #4003

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21 changes: 21 additions & 0 deletions source/How-To-Guides/Installation-Troubleshooting.rst
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Expand Up @@ -339,3 +339,24 @@ Binary installation specific

* If your example does not start because of missing DLLs, please verify that all libraries from external dependencies such as OpenCV are located inside your ``PATH`` variable.
* If you forget to call the ``local_setup.bat`` file from your terminal, the demo programs will most likely crash immediately.

Running RViz with WSL2
^^^^^^^^^^^^^^^^^^^^^^

If you are using `WSL2 <https://learn.microsoft.com/en-us/windows/wsl/install>`__ to run ROS 2 on Windows, you may run into an issue running RViz that looks like:

.. code-block:: console

$ rviz2
[INFO] [1695823660.091830699] [rviz2]: Stereo is NOT SUPPORTED
[INFO] [1695823660.091943524] [rviz2]: OpenGl version: 4.1 (GLSL 4.1)
D3D12: Removing Device.
Segmentation fault

One possible solution to this is to force RViz to use software rendering:

.. code-block:: console

$ export LIBGL_ALWAYS_SOFTWARE=true
$ rviz2
[INFO] [1695823660.091830699] [rviz2]: Stereo is NOT SUPPORTED