From eb84d7e74345b21eac60c0037c3aa86f1c72be3f Mon Sep 17 00:00:00 2001
From: Michael Ortmann <41313082+michaelortmann@users.noreply.github.com>
Date: Sat, 1 Feb 2025 00:29:53 +0100
Subject: [PATCH 1/2] Enhance error log

---
 src/mod/server.mod/servmsg.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mod/server.mod/servmsg.c b/src/mod/server.mod/servmsg.c
index c0e048a2b..1aff2511f 100644
--- a/src/mod/server.mod/servmsg.c
+++ b/src/mod/server.mod/servmsg.c
@@ -2337,6 +2337,8 @@ static void server_resolve_success(int servidx)
     }
     putlog(LOG_SERV, "*", "%s %s (%s)", IRC_FAILEDCONNECT, dcc[servidx].host,
            errstr);
+    if (errno == ENETUNREACH)
+      debug1("may be related to prefer-ipv6 set to %i", pref_af);
     check_tcl_event("fail-server");
     lostdcc(servidx);
     return;

From 53036aa58b7bb2ed20889d17fb562a5d1ff4523b Mon Sep 17 00:00:00 2001
From: Michael Ortmann <41313082+michaelortmann@users.noreply.github.com>
Date: Mon, 3 Feb 2025 04:01:51 +0100
Subject: [PATCH 2/2] Fix --disable-ipv6

---
 src/mod/server.mod/servmsg.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mod/server.mod/servmsg.c b/src/mod/server.mod/servmsg.c
index 1aff2511f..2bc50e0d1 100644
--- a/src/mod/server.mod/servmsg.c
+++ b/src/mod/server.mod/servmsg.c
@@ -2337,8 +2337,10 @@ static void server_resolve_success(int servidx)
     }
     putlog(LOG_SERV, "*", "%s %s (%s)", IRC_FAILEDCONNECT, dcc[servidx].host,
            errstr);
+#ifdef IPV6
     if (errno == ENETUNREACH)
       debug1("may be related to prefer-ipv6 set to %i", pref_af);
+#endif
     check_tcl_event("fail-server");
     lostdcc(servidx);
     return;