Common Troubleshooting

libGL error

Error message:

libGL error: MESA-LOADER: failed to open iris: /usr/lib/dri/iris_dri.so: cannot open shared object file: No such file or directory (search paths /usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)
    libGL error: failed to load driver: iris
libGL error: MESA-LOADER: failed to open swrast: /usr/lib/dri/swrast_dri.so: cannot open shared object file: No such file or directory (search paths /usr/lib/x86_64-linux-gnu/dri:\$${ORIGIN}/dri:/usr/lib/dri, suffix _dri)
    libGL error: failed to load driver: swrast

Please install the necessary dynamic libraries for rendering.

conda install -c conda-forge libstdcxx-ng

For more details, see this answer.

MuJoCo: egl error

Error message:

AttributeError: 'NoneType' object has no attribute 'eglQueryString'"

This issue is due to the lack of necessary dynamic libraries for EGL engine. Please install them via the following commands:

sudo apt-get install libegl1 libgl1-mesa-glx

MJX: DNN library initialization failed

Error message:

jaxlib.\_jax.XlaRuntimeError: FAILED\_PRECONDITION: DNN library initialization failed"

The FastTD3 requires cudnn >= 9.8.0. Please install new version of cudnn.

pip install nvidia-cudnn-cu12==9.10.2.21