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fix(daemon): stop calling a listener-less bind collision 'stale state' (refs #1700) #1717

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Merged
zackees merged 1 commit into from
Oct 24, 2026
Merged

fix(daemon): stop calling a listener-less bind collision 'stale state' (refs #1700) #1717

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8 changes: 6 additions & 2 deletions crates/fbuild-daemon/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -791,7 +791,9 @@ async fn bind_listener_with_retry(addr: &str) -> tokio::net::TcpListener {
}
tracing::warn!(
attempt,
"bind to {} failed ({}); no listener present (stale state), retrying in 500ms",
"bind to {} failed ({}); no listener present, so the port is held by \
stale TIME_WAIT state or by another socket (e.g. an outgoing \
connection's ephemeral port; FastLED/fbuild#1700), retrying in 500ms",
addr,
e
);
Expand All @@ -805,7 +807,9 @@ async fn bind_listener_with_retry(addr: &str) -> tokio::net::TcpListener {
}

eprintln!(
"failed to bind to {} after 3 attempts: {}",
"failed to bind to {} after 3 attempts: {}; nothing is listening there, so \
another socket (often an outgoing connection's ephemeral port) holds it; \
set FBUILD_DAEMON_PORT to use a different port (FastLED/fbuild#1700)",
addr,
last_err
.map(|e| e.to_string())
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