Crash after multiple execution of queryServices #2187
Description
Basic Infos
Hardware
Hardware: Huzzah
Core Version: 2.?.?
Description
ESP8266 (Huzzah) crashes after multiple (about 300) executions of queryServices
Settings in IDE
Module: Huzzah
Flash Size: 4MB
CPU Frequency :80Mhz
Upload Using: SERIAL
Sketch
#include <ESP8266WiFi.h>
#include <ESP8266mDNS.h>
const char* ssid = "...";
const char* password = "...";
void setup() {
Serial.begin(115200);
delay(100);
// We start by connecting to a WiFi network
Serial.println();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
if (!MDNS.begin("leaktest")) {
Serial.println("Fatal! Cannot start discovery");
}
}
int i = 1;
void loop() {
Serial.println(i++);
int n = MDNS.queryService("bitoad", "tcp");
}
Debug Messages
295
296
297
Exception (29):
epc1=0x4000e1b2 epc2=0x00000000 epc3=0x00000000 excvaddr=0x00000000 depc=0x00000000
ctx: sys
sp: 3ffffda0 end: 3fffffb0 offset: 01a0
>>>stack>>>
3fffff40: 3fffdc00 000002f4 3ffeccf0 401004f4
3fffff50: 00000000 00000000 3ffeccf0 40106b88
3fffff60: 40104f6e 058ce05a 3ffedc28 402083f6
3fffff70: 4021a05c 3ffe8884 402088b6 00000002
3fffff80: 4021a082 3fffdab0 40209ab7 3fffdab0
3fffff90: 00000000 3fffdab0 3ffeeb88 40203c2b
3fffffa0: 40000f49 40000f49 3fffdab0 40000f49
<<<stack<<<
Decoding 13 results
0x401004f4: calloc at C:\Users\Bitosf\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.2.0\cores\esp8266\umm_malloc/umm_malloc.c line 1682
0x40106b88: pvPortZalloc at C:\Users\Bitosf\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.2.0\cores\esp8266/heap.c line 33
0x40104f6e: wdt_feed at ?? line ?
0x402083f6: pm_set_sleep_time at ?? line ?
0x4021a05c: ets_timer_handler_isr at ?? line ?
0x402088b6: pm_get_sleep_type at ?? line ?
0x4021a082: ets_timer_handler_isr at ?? line ?
0x40209ab7: pm_post at ?? line ?
0x40203c2b: loop_task at C:\Users\Bitosf\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.2.0\cores\esp8266/core_esp8266_main.cpp line 43