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Issue Running Examples#214

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Hey all! I love this project so great work. I am getting started with one of the examples and hitting this error when I run it. Any ideas?

I am trying this on a Thinkpad running ubuntu.

~/ethercrab$ RUST_LOG=debug cargo run --example discover --release -- eth0    Finished release [optimized] target(s) in 0.05s     Running `target/release/examples/discover eth0`[2024-05-29T22:40:32Z INFO  discover] Discovering EtherCAT devices on eth0...thread 'main' panicked at examples/discover.rs:42:52:spawn TX/RX task: Os { code: 1, kind: PermissionDenied, message: "Operation not permitted" }stack backtrace:   0: rust_begin_unwind             at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5   1: core::panicking::panic_fmt             at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14   2: core::result::unwrap_failed             at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/result.rs:1653:5   3: async_io::driver::block_on   4: discover::main
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I'd guess it's pretty much what the error message says: "Operation not permitted."

The stack uses raw sockets, which require cap_net_raw and cap_net_admin (iirc). Try running

setcap cap_net_raw,cap_net_admin=eip target/release/examples/discover

as root (e.g. using sudo) and please try again

Replies: 1 comment 1 reply

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I'd guess it's pretty much what the error message says: "Operation not permitted."

The stack uses raw sockets, which require cap_net_raw and cap_net_admin (iirc). Try running

setcap cap_net_raw,cap_net_admin=eip target/release/examples/discover

as root (e.g. using sudo) and please try again

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1 reply
@keenanjohnson
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Thank you! I'll try that and report back.

Answer selected byjamwaffles
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