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straylight: prefer IPv4 in gai.conf to fix update-channel timeouts

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kyle
2026-10-11 12:05:40 -07:00
parent fa35293331
commit bccbe59e94
1 changed files with 8 additions and 0 deletions
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hw/straylight/default.nix
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@@ -460,6 +460,14 @@ in
libsecret
];
# Prefer IPv4 for outbound connections. straylight has a Tailscale IPv6
# ULA (fd7a::/128) but no public IPv6 default route, so getaddrinfo can
# return unroutable AAAA records and HTTPS to IPv6-capable hosts (e.g. the
# Hermes update CDN hermes-assets.nousresearch.com) intermittently fails
# with "Channel read unavailable". RFC 3484 sorts IPv6 (40) above
# IPv4-mapped (10); bump IPv4-mapped to 100 so IPv4 is tried first.
environment.etc."gai.conf".text = "precedence ::ffff:0:0/96 100\n";
# Headless Chromium exposing a CDP endpoint for Hermes browser tools.
# Loopback only; browser.cdp_url in ~/.hermes/config.yaml points at it.
# Ungoogled-chromium (already in desktop-packages-light.nix), no ad-block