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)
solution in StackOverflow: add the following to ~/.bashrc
or ~/.zshrc
(if using zsh).
export LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libstdc++.so.6