ubuntu - LCM 自检失败，请检查您的路由表和防火墙设置

Question

我有 ubuntu 20.04，我安装了 drake 并尝试运行示例。
当我尝试运行 bazel-bin/tools/drake_visualizer & bazel-bin/examples/multibody/inclined_plane_with_body/inclined_plane_with_body我有错误:

[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

Answer 1

LCM 的网络配置无法正常工作。例如，如果没有 lo(环回)设备，或者它被禁用，或者配置异常。
见 https://lcm-proj.github.io/multicast_setup.html一些提示。