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Code Issues Releases Wiki Activity

Fix lwIP thread safety assertion failures on ESP32 (#9570)

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This commit is contained in:
J. Nick Koston
2025-07-16 19:06:57 -10:00
committed by GitHub
parent a8263cb79f
commit b1048d6e25
10 changed files with 105 additions and 29 deletions
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31
esphome/components/wifi/wifi_component_esp32_arduino.cpp
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@@ -20,10 +20,6 @@
#include "lwip/dns.h"
#include "lwip/err.h"
#ifdef CONFIG_LWIP_TCPIP_CORE_LOCKING
#include "lwip/priv/tcpip_priv.h"
#endif
#include "esphome/core/application.h"
#include "esphome/core/hal.h"
#include "esphome/core/helpers.h"
@@ -295,25 +291,16 @@ bool WiFiComponent::wifi_sta_ip_config_(optional<ManualIP> manual_ip) {
}
if (!manual_ip.has_value()) {
// sntp_servermode_dhcp lwip/sntp.c (Required to lock TCPIP core functionality!)
// https://github.com/esphome/issues/issues/6591
// https://github.com/espressif/arduino-esp32/issues/10526
#ifdef CONFIG_LWIP_TCPIP_CORE_LOCKING
if (!sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER)) {
LOCK_TCPIP_CORE();
// sntp_servermode_dhcp lwip/sntp.c (Required to lock TCPIP core functionality!)
// https://github.com/esphome/issues/issues/6591
// https://github.com/espressif/arduino-esp32/issues/10526
{
LwIPLock lock;
// lwIP starts the SNTP client if it gets an SNTP server from DHCP. We don't need the time, and more importantly,
// the built-in SNTP client has a memory leak in certain situations. Disable this feature.
// https://github.com/esphome/issues/issues/2299
sntp_servermode_dhcp(false);
}
#endif
// lwIP starts the SNTP client if it gets an SNTP server from DHCP. We don't need the time, and more importantly,
// the built-in SNTP client has a memory leak in certain situations. Disable this feature.
// https://github.com/esphome/issues/issues/2299
sntp_servermode_dhcp(false);
#ifdef CONFIG_LWIP_TCPIP_CORE_LOCKING
if (sys_thread_tcpip(LWIP_CORE_LOCK_QUERY_HOLDER)) {
UNLOCK_TCPIP_CORE();
}
#endif
// No manual IP is set; use DHCP client
if (dhcp_status != ESP_NETIF_DHCP_STARTED) {