From fc5b94df6c3e029b57fe96a7dc62067900bfc107 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Tue, 24 Feb 2026 08:48:50 -0600
Subject: [PATCH] pressure test

---
 esphome/core/lwip_fast_select.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/esphome/core/lwip_fast_select.c b/esphome/core/lwip_fast_select.c
index 4ccfed3f62..70a6482d48 100644
--- a/esphome/core/lwip_fast_select.c
+++ b/esphome/core/lwip_fast_select.c
@@ -149,6 +149,9 @@ static void esphome_socket_event_callback(struct netconn *conn, enum netconn_evt
   s_original_callback(conn, evt, len);
   // Wake the main loop task if sleeping in ulTaskNotifyTake().
   // Only notify on receive events to avoid spurious wakeups from send-ready events.
+  // NETCONN_EVT_ERROR is deliberately omitted: LwIP signals errors via RCVPLUS
+  // (rcvevent++ with a NULL pbuf or error in recvmbox), so error conditions
+  // already wake the main loop through the RCVPLUS path.
   if (evt == NETCONN_EVT_RCVPLUS) {
     TaskHandle_t task = s_main_loop_task;
     if (task != NULL) {