报错信息：
startThreads creating 1 threads.
starting thread 0
started thread 0
argc=2
argv[0] = --unused
argv[1] = --start_demo_name=Physics Server
ExampleBrowserThreadFunc started
X11 functions dynamically loaded using dlopen/dlsym OK!
X11 functions dynamically loaded using dlopen/dlsym OK!
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
Creating context
Failed to create GL 3.3 context ... using old-style GLX context
Failed to create an OpenGL context解决方法：
export LIBGL_DRIVERS_PATH=/usr/lib/x86_64-linux-gnu/dri:$LIBGL_DRIVERS_PATH
conda install -c conda-forge gcc
其中亲测export LIBGL_DRIVERS_PATH可以不需要。