我有 ubuntu 20.04，我安裝了 drake 并嘗試運行示例。當我嘗試運行時bazel-bin/tools/drake_visualizer & bazel-bin/examples/multibody/inclined_plane_with_body/inclined_plane_with_body出現錯誤：
[1] 121628
LCM self test failed!!
Check your routing tables and firewall settings
LCM self test failed!!
Check your routing tables and firewall settings
*** buffer overflow detected ***: terminated
LCM self test failed!!
Check your routing tables and firewall settings
[1] Aborted (core dumped) bazel-bin/tools/drake_visualizer
uj5u.com熱心網友回復：
LCM 的網路配置無法正常作業。例如，如果沒有 lo（環回）設備，或者它被禁用，或者配置例外。
有關一些提示，請參閱https://lcm-proj.github.io/multicast_setup.html。
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