HTTP SSL client hangs when an access point goes down

Platform

Hardware: [NodeMCU]
Core Version: [2.5.0]
Development Env: [Arduino IDE]
Operating System: [MacOS|Debian]

Settings in IDE

Module: [Nodemcu (ESP-12E)]
Flash Mode: [qio|dio|other]
Flash Size: [4MB]
lwip Variant: [v1.4|v2 Lower Memory|Higher Bandwidth]
Reset Method: [ck|nodemcu]
Flash Frequency: [40Mhz]
CPU Frequency: [160MHz]
Upload Using: [SERIAL]
Upload Speed: [921600]

Problem Description

I see a constant Soft WDT reset/wdt reset when I am using HTTP SSL client and I turn off my access point.
Below code can work hours, but if I turn my access point, then ESP8266 hangs.

The issue is not reproducible if uncomment the 6 line:

bool SSLFlag = false;

MCVE Sketch

#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <WiFiClientSecureBearSSL.h>

bool SSLFlag = true;
//bool SSLFlag = false;

char urlSSL[] = "https://35.237.110.54/test/";
char SSLFingerprint[] = "26 24 FA 2B 26 1D DD 1F 2F 12 68 7C 19 49 13 DF D3 8A 7D 65";
char url[] = "http://35.237.110.54/test/";
uint16_t timoutMillis = 500;
char strBuf[2048];


void lg(const char *s) {
    Serial.print(s);
}


void log(const char *s = "") {
    Serial.println(s);
}


bool httpTest() {
    std::unique_ptr <BearSSL::WiFiClientSecure> clientSSL = NULL;
    std::unique_ptr <WiFiClient> client = NULL;
    HTTPClient http;
    bool httpStatus;

    if (SSLFlag) {
        clientSSL.reset(new BearSSL::WiFiClientSecure);

        clientSSL->setBufferSizes(sizeof(strBuf), sizeof(strBuf));
        clientSSL->setFingerprint(SSLFingerprint);
        clientSSL->allowSelfSignedCerts();

        httpStatus = http.begin(*clientSSL, urlSSL);
    } else {
        client.reset(new WiFiClient);
        httpStatus = http.begin(*client, url);
    }

    if (httpStatus) {
        http.setTimeout(timoutMillis);

        lg("Getting data... ");
        int httpCode = http.GET();
        log("complete");

        int httpResponseSize = http.getSize();

        snprintf(strBuf, sizeof(strBuf), "Got HTTP response code: %i. Response size
F438
: %i",
                 httpCode,
                 httpResponseSize);
        log(strBuf);

        if (httpResponseSize > 0) {
            log("Response:");
            log(http.getString().c_str());
        }

        http.end();

        if (SSLFlag)
            clientSSL.reset();
        else
            client.reset();
    } else {
        log("Failed to connect");
    }
}


void setup() {
    Serial.begin(115200);
    Serial.setDebugOutput(true);

    while (!Serial)
        yield();

    WiFi.begin();
}


void loop() {
    if (WiFi.status() == WL_CONNECTED) {
        httpTest();
    } else {
        log("Not connected");
    }
}

Debug Messages

Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
scandone
state: 0 -> 2 (b0)
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
state: 2 -> 3 (0)
Not connected
Not connected
Not connected
state: 3 -> 5 (10)
add 0
aid 1
cnt
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
connected with ArtLuch.RU-IoT, channel 12
dhcp client start...
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
ip:192.168.3.90,mask:255.255.255.0,gw:192.168.3.1
Getting data... :ref 1
:wr 218 0
:wrc 218 218 0
:ack 218
:rn 536
:rch 536, 536
:rd 5, 1072, 0
:rdi 536, 5
:rd 89, 1072, 5
:rdi 531, 89
:rch 1072, 245
:rd 5, 1317, 94
:rdi 442, 5
:rd 871, 1317, 99
:rdi 437, 437
:c 437, 536, 1317
:rdi 536, 434
:rd 5, 781, 434
:rdi 102, 5
:rd 333, 781, 439
:rdi 97, 97
:c 97, 536, 781
:rdi 245, 236
:rd 5, 245, 236
:rdi 9, 5
:rd 4, 245, 241
:rdi 4, 4
:c0 4, 245
:wr 75 0
:wrc 75 75 0
:wr 6 0
:wrc 6 6 0
:wr 37 0
:wrc 37 37 0
:ack 75
:ack 43
:rn 43
:rd 5, 43, 0
:rdi 43, 5
:rd 1, 43, 5
:rdi 38, 1
:rd 5, 43, 6
:rdi 37, 5
:rd 32, 43, 11
:rdi 32, 32
:c0 32, 43
:wr 166 0
:wrc 166 166 0
:ack 166
:rn 266
:rch 266, 23
:rcl
:abort
:rd 5, 289, 0
:rdi 266, 5
:rd 261, 289, 5
:rdi 261, 261
:c 261, 266, 289
complete
Got HTTP response code: 200. Response size: 15
Response:
:rd 5, 23, 0
:rdi 23, 5
:rd 18, 23, 5
:rdi 18, 18
:c0 18, 23
 => test OK <=

:ur 1
:del
Getting data... :ref 1
:wr 218 0
:wrc 218 218 0
:ack 218
:rn 536
:rd 5, 536, 0
:rdi 536, 5
:rd 89, 536, 5
:rdi 531, 89
:rd 5, 536, 94
:rdi 442, 5
:rd 437, 536, 99
:rdi 437, 437
:c0 437, 536
:rn 781
:rd 434, 781, 0
:rdi 536, 434
:rd 5, 781, 434
:rdi 102, 5
:rd 333, 781, 439
:rdi 97, 97
:c 97, 536, 781
:rdi 245, 236
:rd 5, 245, 236
:rdi 9, 5
:rd 4, 245, 241
:rdi 4, 4
:c0 4, 245
:wr 75 0
:wrc 75 75 0
:wr 6 0
:wrc 6 6 0
:wr 37 0
:wrc 37 37 0
:ack 75
:ack 43
:rn 43
:rd 5, 43, 0
:rdi 43, 5
:rd 1, 43, 5
:rdi 38, 1
:rd 5, 43, 6
:rdi 37, 5
:rd 32, 43, 11
:rdi 32, 32
:c0 32, 43
:wr 166 0
:wrc 166 166 0
:ack 166
:rn 266
:rd 5, 266, 0
:rdi 266, 5
:rd 261, 266, 5
:rdi 261, 261
:c0 261, 266
complete
Got HTTP response code: 200. Response size: 15
Response:
:rn 23
:rcl
:abort
:rd 5, 23, 0
:rdi 23, 5
:rd 18, 23, 5
:rdi 18, 18
:c0 18, 23
 => test OK <=

:ur 1
:del
Getting data... :ref 1
:wr 218 0
:wrc 218 218 0
:ack 218
:rn 536
:rd 5, 536, 0
:rdi 536, 5
:rd 89, 536, 5
:rdi 531, 89
:rch 536, 536
:rd 5, 1072, 94
:rdi 442, 5
:rd 871, 1072, 99
:rdi 437, 437
:c 437, 536, 1072
:rdi 536, 434
:rch 536, 245
:rd 5, 781, 434
:rdi 102, 5
:rd 333, 781, 439
:rdi 97, 97
:c 97, 536, 781
:rdi 245, 236
:rd 5, 245, 236
:rdi 9, 5
:rd 4, 245, 241
:rdi 4, 4
:c0 4, 245
:wr 75 0
:wrc 75 75 0
:wr 6 0
:wrc 6 6 0
:wr 37 0
:wrc 37 37 0
pm open,type:2 0
bcn_timout,ap_probe_send_start
ap_probe_send over, rest wifi status to disassoc
state: 5 -> 0 (1)
rm 0
pm close 7

Soft WDT reset

>>>stack>>>

ctx: sys
sp: 3fffece0 end: 3fffffb0 offset: 01b0
3fffee90:  00000000 40236e40 3fff073c 40202e4b
3fffeea0:  40234eb4 00153cf7 3fff073c 402049b2
3fffeeb0:  40234e53 3ffed8ac 00000012 0000011e
3fffeec0:  40235404 3ffed8ac 00000000 40237534
3fffeed0:  40234e31 3ffeda28 00000002 3ffee9b8
3fffeee0:  3fffdc10 00000000 3fff073c 40204a2f
3fffeef0:  0000003c 3fff050c 3fff073c 40203359
3fffef00:  0000001e 3fff050c 3fff073c 402048fb
3fffef10:  3ffecd80 3fff050c 3fff073c 40203aac
3fffef20:  3ffecd80 40100f1b 3fff050c 40202c70
3fffef30:  40100f56 00000000 00000002 3ffee9b8
3fffef40:  3fffdc10 00000000 3fff050c 4024a9e8
3fffef50:  40000f49 3fffdab0 3fffdab0 40000f49
3fffef60:  40000e19 40001878 00000002 00000000
3fffef70:  3fffff10 aa55aa55 000000fa 40104ac8
3fffef80:  40104ace 00000002 00000000 da1f3643
3fffef90:  4010000d 6ce52444 d190b939 37631d51
3fffefa0:  40100d58 3fffef3c 40100d05 3ffffd48
3fffefb0:  3fffffc0 00000000 00000000 feefeffe
3fffefc0:  feefeffe feefeffe feefeffe feefeffe
3fffefd0:  feefeffe feefeffe feefeffe feefeffe
3fffefe0:  feefeffe feefeffe feefeffe feefeffe
3fffeff0:  feefeffe feefeffe feefeffe feefeffe
3ffff000:  feefeffe feefeffe feefeffe feefeffe
3ffff010:  feefeffe feefeffe feefeffe feefeffe
3ffff020:  feefeffe feefeffe feefeffe feefeffe
3ffff030:  feefeffe feefeffe feefeffe feefeffe
3ffff040:  feefeffe feefeffe feefeffe feefeffe
3ffff050:  feefeffe feefeffe feefeffe feefeffe
3ffff060:  feefeffe feefeffe feefeffe feefeffe
3ffff070:  feefeffe feefeffe feefeffe feefeffe
3ffff080:  feefeffe feefeffe feefeffe feefeffe
3ffff090:  feefeffe feefeffe feefeffe feefeffe
3ffff0a0:  feefeffe feefeffe feefeffe feefeffe
3ffff0b0:  feefeffe feefeffe feefeffe feefeffe
3ffff0c0:  feefeffe feefeffe feefeffe feefeffe
3ffff0d0:  feefeffe feefeffe feefeffe feefeffe
3ffff0e0:  feefeffe feefeffe feefeffe feefeffe
3ffff0f0:  feefeffe feefeffe feefeffe feefeffe
3ffff100:  feefeffe feefeffe feefeffe feefeffe
3ffff110:  feefeffe feefeffe feefeffe feefeffe
3ffff120:  feefeffe feefeffe feefeffe feefeffe
3ffff130:  feefeffe feefeffe feefeffe feefeffe
3ffff140:  feefeffe feefeffe feefeffe feefeffe
3ffff150:  feefeffe feefeffe feefeffe feefeffe
3ffff160:  feefeffe feefeffe feefeffe feefeffe
3ffff170:  feefeffe feefeffe feefeffe feefeffe
3ffff180:  feefeffe feefeffe feefeffe feefeffe
3ffff190:  feefeffe feefeffe feefeffe feefeffe
3ffff1a0:  feefeffe feefeffe feefeffe feefeffe
3ffff1b0:  feefeffe feefeffe feefeffe feefeffe
3ffff1c0:  feefeffe feefeffe feefeffe feefeffe
3ffff1d0:  feefeffe feefeffe feefeffe feefeffe
3ffff1e0:  feefeffe feefeffe feefeffe feefeffe
3ffff1f0:  feefeffe feefeffe feefeffe feefeffe
3ffff200:  feefeffe feefeffe feefeffe feefeffe
3ffff210:  feefeffe feefeffe feefeffe feefeffe
3ffff220:  feefeffe feefeffe feefeffe feefeffe
3ffff230:  feefeffe feefeffe feefeffe feefeffe
3ffff240:  feefeffe feefeffe feefeffe feefeffe
3ffff250:  feefeffe feefeffe feefeffe feefeffe
3ffff260:  feefeffe feefeffe feefeffe feefeffe
3ffff270:  feefeffe feefeffe feefeffe feefeffe
3ffff280:  feefeffe feefeffe feefeffe feefeffe
3ffff290:  feefeffe feefeffe feefeffe feefeffe
3ffff2a0:  feefeffe feefeffe feefeffe feefeffe
3ffff2b0:  feefeffe feefeffe feefeffe feefeffe
3ffff2c0:  feefeffe feefeffe feefeffe feefeffe
3ffff2d0:  feefeffe feefeffe feefeffe feefeffe
3ffff2e0:  feefeffe feefeffe feefeffe feefeffe
3ffff2f0:  feefeffe feefeffe feefeffe feefeffe
3ffff300:  feefeffe feefeffe feefeffe feefeffe
3ffff310:  feefeffe feefeffe feefeffe feefeffe
3ffff320:  feefeffe feefeffe feefeffe feefeffe
3ffff330:  feefeffe feefeffe feefeffe feefeffe
3ffff340:  feefeffe feefeffe feefeffe feefeffe
3ffff350:  feefeffe feefeffe feefeffe feefeffe
3ffff360:  feefeffe feefeffe feefeffe feefeffe
3ffff370:  feefeffe feefeffe feefeffe feefeffe
3ffff380:  feefeffe feefeffe feefeffe feefeffe
3ffff390:  00000002 00000000 00000020 401015ba
3ffff3a0:  3ffe94d2 401049a4 3ffecc40 feefeffe
3ffff3b0:  00000001 40103bc7 3ffed698 feefeffe
3ffff3c0:  4010402a 021a4a27 3ffed9b4 401024a6
3ffff3d0:  3ffe9d8c 00000000 00000000 feefeffe
3ffff3e0:  40103b0e 0000001d 7fffffff 00000002
3ffff3f0:  0000011d 3ffe9d8c 3ffe9d8c 00000001
3ffff400:  40102983 00080000 feefeffe feefeffe
3ffff410:  00000000 021a4a27 00002200 4000050c
3ffff420:  3fffc278 40102680 3fffc200 00000022
3ffff430:  3ffff440 feefeffe feefeffe feefeffe
3ffff440:  4021ca19 00000030 00000019 ffffffff
3ffff450:  4021c7c4 37d9a2d1 02fa9389 bcf0b57a
3ffff460:  36f8b3d9 919002ae 884fddac becbc06c
3ffff470:  59b00fcf 3df492a6 40256888 27952542
3ffff480:  a6c6c957 ef94720a d8a00d6d 00000030
3ffff490:  feefeffe feefeffe feefeffe feefeffe
3ffff4a0:  feefeffe feefeffe feefeffe feefeffe
3ffff4b0:  feefeffe feefeffe feefeffe feefeffe
3ffff4c0:  feefeffe feefeffe feefeffe feefeffe
3ffff4d0:  feefeffe feefeffe feefeffe feefeffe
3ffff4e0:  feefeffe feefeffe feefeffe feefeffe
3ffff4f0:  feefeffe feefeffe feefeffe feefeffe
3ffff500:  feefeffe feefeffe feefeffe feefeffe
3ffff510:  feefeffe feefeffe feefeffe feefeffe
3ffff520:  feefeffe feefeffe feefeffe feefeffe
3ffff530:  feefeffe feefeffe feefeffe feefeffe
3ffff540:  4eae0d1c 164bfb09 f4f106da bc206853
3ffff550:  bba61be2 28e7f294 4f35e8b2 5ad4af7f
3ffff560:  5c5c5c5c 5c5c5c5c 5c5c5c5c 5c5c5c5c
3ffff570:  5c5c5c5c 5c5c5c5c 5c5c5c5c 5c5c5c5c
3ffff580:  3ee4c92f 031c8a01 f9f3c7a4 41b84d20
3ffff590:  85035302 cbbcdaf2 4d838207 33f37071
3ffff5a0:  b4ed3a12 d0ae8b7f 7c9f0545 1a680d62
3ffff5b0:  2e52918f 551fd701 4f71d738 8ea9fd55
3ffff5c0:  01e22f64 e8040d4b c2b7369c b8ac3436
3ffff5d0:  222ccec7 9f8cf69c 12e741ce 9900aeec
3ffff5e0:  2d3732ae 1a2ee32b 78762f98 aa807e99
3ffff5f0:  cb5c5b6e e0cd77f5 77d12693 5f4978c3
3ffff600:  700adf03 12020136 57f6d46e 263b9650
3ffff610:  80000000 00000000 00000000 00000000
3ffff620:  00000000 00000000 00000000 00000300
3ffff630:  7581a790 445ed360 325fe4e7 d238482f
3ffff640:  6d188844 a2734157 ee47e0e3 75671787
3ffff650:  d0b4ee73 9b8df2c1 bcfc07a6 00000080
3ffff660:  03030000 010000d1 a21aec90 0000805e
3ffff670:  7195a73b 7eb6aede c85bc04a 7a0eb746
3ffff680:  a5c40000 fe7ef477 a8c02bc0 5acca9cc
3ffff690:  30c0acc0 2fc02cc0 afc023c0 adc0aec0
3ffff6a0:  28c009c0 27c024c0 14c02dc0 13c00ac0
3ffff6b0:  32c025c0 31c02ec0 2ac004c0 29c026c0
3ffff6c0:  0f009c00 0ec005c0 9dc0a0c0 9dc09cc0
3ffff6d0:  3d002f00 a1003c00 12c003c0 35c008c0
3ffff6e0:  ba240656 b4264212 c6869c1a 65487c56
3ffff6f0:  9f55ae48 43287d32 820ccabd ff62461c
3ffff700:  84946d6d 374ed259 689f68d9 351541f2
3ffff710:  f28b0c52 339c5b7f e364e589 7ad4bf16
3ffff720:  1aa1ad61 5483d378 e4959247 7b9a6417
3ffff730:  58f521d5 969d8605 2ea1fab1 d7f7e264
3ffff740:  e8f0878f e5a84c58 c90c9cb3 a6770cda
3ffff750:  976939ec 34b87ed3 5b19af10 3acaf633
3ffff760:  319077b1 d9f91ecb 82ee5d23 4895e595
3ffff770:  b614b35c 212a0e78 9190bc80 6a325ef8
3ffff780:  8449fee3 c15ade48 9e7772c5 fd127e11
3ffff790:  f3d45bb8 d95c5513 947509ab 25c95282
3ffff7a0:  c3c774eb da4c1895 c1e7a11c 4ca2ae00
3ffff7b0:  6fcf00a1 9be85d98 aa27da3d a65212cf
3ffff7c0:  a7b98b47 81c568aa a9bddbe8 4123c4d5
3ffff7d0:  5e8829f6 a4f09629 484e4c55 251534aa
3ffff7e0:  b7667a06 ce58c13c 1353d4d0 132c117f
3ffff7f0:  f3815c50 3be34e11 b9ee78f2 d29c81c2
3ffff800:  dda7d540 318ca774 20aa1733 d07908f3
3ffff810:  b44f72bc ae078b7f 944fed70 bddac5d8
3ffff820:  e692a0ce c4d0ab17 ed561576 076d64a5
3ffff830:  2e18af2a cfd8a135 85950d0a 58180681
3ffff840:  22e38c3b 82b02a9c 5d22e7f9 f4c1ca19
3ffff850:  309c7814 90bde528 026c24a4 4386d31a
3ffff860:  45dd64e8 b818ef31 ae4c87c3 ca6e417b
3ffff870:  8a6df2b7 9cef472c 257981d4 6e853e48
3ffff880:  c9a36614 5bf9f8d3 58d2e41b 91d226a6
3ffff890:  177e81fd d31c163e c0b0da34 f36de912
3ffff8a0:  6eea501b 50916e5e 33e8d16a 74fd46ac
3ffff8b0:  b6f94ed7 350c6820 8bac0412 6c06536b
3ffff8c0:  b9420a87 986d8e99 0de4e46e 06cde4a4
3ffff8d0:  3da463c5 8990e32d a5fb7bf5 f4d6728d
3ffff8e0:  ccc5514b ce04de55 402567d0 833e7c7e
3ffff8f0:  3ffff8e8 3cab4ac8 1b4e95f8 7197add1
3ffff900:  96dbafce 3badde14 99ff8f71 6c4dfb01
3ffff910:  ac4f1473 179cfe45 cce5516b 1b17d5af
3ffff920:  b54ebf44 1f1dbe6a 5e9ad1dc ac4f1473
3ffff930:  99ff8f71 5e9ad1dc 96dbafce 179cfe45
3ffff940:  3ffffa80 3cab4ac8 ce04de55 1b4e95f8
3ffff950:  1f1dbe6a 3badde14 f3bcc908 6a09e667
3ffff960:  84caa73b bb67ae85 fe94f82b 3c6ef372
3ffff970:  5f1d36f1 a54ff53a ade682d1 510e527f
3ffff980:  2b3e6c1f 9b05688c fb41bd6b 1f83d9ab
3ffff990:  137e2179 5be0cd19 748f82ee 31a55c8c
3ffff9a0:  4010390d 00040000 7fffffff 00000000
3ffff9b0:  3fff2c24 00000080 00000080 4021c52c
3ffff9c0:  3ffff9f0 3ffffa80 3ffffa70 4021cd97
3ffff9d0:  00000000 f55cd498 505d2200 3ffff9f0
3ffff9e0:  40256514 00000006 3fff2ba4 40229509
3ffff9f0:  4000050c d1000001 00000303 5e800000
3ffffa00:  90ec1aa2 deaeb67e 3ba79571 46b70e7a
3ffffa10:  4ac05bc8 77f47efe 0000c4a5 cca9cc5a
3ffffa20:  c02bc0a8 c02cc02f c0acc030 c0aec0ad
3ffffa30:  c023c0af c024c027 c009c028 c00ac013
3ffffa40:  c02dc014 c02ec031 c025c032 c026c029
3ffffa50:  c004c02a c005c00e 009c000f c09cc09d
3ffffa60:  c0a0c09d 003c00a1 002f003d c008c035
3ffffa70:  c003c012 bb33877d 00000080 00000000
3ffffa80:  76fb4586 dba19439 51aff8a6 70b66dca
3ffffa90:  9570a7f9 540bf1b8 402406eb 00000001
3ffffaa0:  ffffffff 00000000 3ffe9621 00000008
3ffffab0:  4024073a 3ffecc18 3ffefdcc 00000001
3ffffac0:  40240846 3ffecc18 3ffefdcc 3ffecc18
3ffffad0:  00000002 00000000 402406eb 00000001
3ffffae0:  ffffffff 00000000 3ffe9621 00000008
3ffffaf0:  00000002 00000000 00000020 401015ba
3ffffb00:  3ffe94d2 401049a4 3ffecc18 3ffecc18
3ffffb10:  00000001 40103bc7 3ffed698 401015ba
3ffffb20:  00000003 00000000 0000000a 00000000
3ffffb30:  00000003 00000000 0000000a 00000000
3ffffb40:  40103b0e 00000023 7fffffff 00000002
3ffffb50:  000005e0 00000000 401037c9 3ffed650
3ffffb60:  0000003c 00000000 00003000 000000fc
3ffffb70:  0000003c 00000001 4010490a 3ffed650
3ffffb80:  000005e0 00000000 401037c9 3ffed650
3ffffb90:  0000003c 00000000 401037c9 000000fc
3ffffba0:  00000000 00000000 00000020 401015ba
3ffffbb0:  3ffe94d0 401049a4 3ffecd80 3ffed274
3ffffbc0:  00000001 40103b65 3ffecd80 3ffed274
3ffffbd0:  40103fc4 3ffed650 3ffed620 00000000
3ffffbe0:  00000000 40103e82 3ffed650 00000000
3ffffbf0:  4010450f 40103e82 3ffed650 3ffecd80
3ffffc00:  401043da 3ffed650 3ffecd80 00000000
3ffffc10:  0000007f 00040000 7fffffff 00000000
3ffffc20:  401046d4 00080000 7fffffff 00000000
3ffffc30:  401027ff 4010390a 00040000 00000000
3ffffc40:  00000000 4010282a 53000000 4000050c
3ffffc50:  00000000 00000000 0000001f 401052a1
3ffffc60:  00000000 00000000 0000001f 401052a1
3ffffc70:  4000050c 00000030 00000010 ffffffff
3ffffc80:  40202e37 00000030 00000010 ffffffff
3ffffc90:  402049b2 3fff081c 00000000 00000002
3ffffca0:  00000005 00000945 00000000 fffffffe
3ffffcb0:  ffffffff 3fffc6fc 00000001 3fff073c
3ffffcc0:  003f156d 00000008 00000001 00000030
3ffffcd0:  003dcba3 00000008 00000001 00000030
3ffffce0:  00000000 00000006 3fff3774 00000000
3ffffcf0:  00000000 4bc6a7f0 60418937 00000000
3ffffd00:  00000000 00000000 4bc6a7f0 00000000
3ffffd10:  3ffef714 00000105 00000105 40100564
3ffffd20:  00000025 00000000 3fff045c 40100cbc
3ffffd30:  00ac1da7 40201945 3ffe857c 003f1547
3ffffd40:  00000008 00000001 3ffe857c 003f1572
3ffffd50:  00000008 00000001 40207d38 3fffefa0
3ffffd60:  00000000 40256850 00000064 40207e16
3ffffd70:  00000000 00000000 3fff073c 40207e59
3ffffd80:  00000008 003f1571 3fff073c 40204951
3ffffd90:  00000025 00000005 d93418ec 00000000
3ffffda0:  4021ebd4 4021eb7c 3fff2094 4021e68a
3ffffdb0:  3fff2594 3fff087c 3fff2094 00000000
3ffffdc0:  00000001 00000001 3fff073c 40204be4
3ffffdd0:  00000001 3fff087c 3fff073c 40204df3
3ffffde0:  00000000 3ffffe40 40207d38 3fffefa0
3ffffdf0:  00000000 00000000 00000000 402014d7
3ffffe00:  00000d50 3fff081c 3fff073c 40203a24
3ffffe10:  000001bb 00000010 3ffffe64 00000000
3ffffe20:  000001bb 3fff073c 3fff087c 00000000
3ffffe30:  000001bb 3fff073c 3fff087c 40204eba
3ffffe40:  40208728 366eed23 3ffffee0 40208384
3ffffe50:  00000001 3fff073c 3ffffee0 40205ed4
3ffffe60:  3fffff58 00000001 3fff045c 40100cbc
3ffffe70:  3fff0464 00000000 3ffffee0 402066bc
3ffffe80:  00000001 00000000 3ffef61c 40206ba8
3ffffe90:  3ffef714 0000017c 0000017c 40206ec1
3ffffea0:  3ffe8a1b 000001f4 3fff073c 40204057
3ffffeb0:  00000000 000001f4 3fff073c 3ffe8551
3ffffec0:  00000001 00000000 3fff073c 4020676a
3ffffed0:  3fffdad0 00000000 3fff073c 4020296c
3ffffee0:  00000000 00000000 3fff073c 3fff087c
3ffffef0:  0000000f 0000000d 3f0001bb 000001f4
3fffff00:  3fff067c 0000000f 00000006 3fff069c
3fffff10:  0000000f 00000005 3fff03d4 0000000f
3fffff20:  00000000 3fff03f4 0000001f 00000011
3fffff30:  3fff0424 0000000f 00000000 00000000
3fffff40:  00000000 00000000 ffffffff 40206e00
3fffff50:  00000000 00000000 00000000 00000000
3fffff60:  00000000 3ffef668 00000000 00000001
3fffff70:  4024943f 40202d44 3ffef61c 40206f10
3fffff80:  3ffefdcc 40202d44 3ffef668 3ffef698
3fffff90:  3fffdad0 00000000 3ffef668 40202a61
3fffffa0:  3fffdad0 00000000 3ffef668 40207de4
<<<stack<<<

 ets Jan  8 2013,rst cause:2, boot mode:(1,6)


 ets Jan  8 2013,rst cause:4, boot mode:(1,6)

wdt reset

Decoding stack results

0x40202e4b: WiFiClient::peekBytes(unsigned char*, unsigned int) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/WiFiClient.cpp line 303
0x402049b2: BearSSL::WiFiClientSecure::_run_until(unsigned int, bool) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp line 421
0x40204a2f: BearSSL::WiFiClientSecure::_run_until(unsigned int, bool) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp line 495
0x40203359: ClientContext::wait_until_sent(int) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/include/ClientContext.h line 345
0x402048fb: std::__shared_count(__gnu_cxx::_Lock_policy)0>::__shared_count  , std::allocator  >(unsigned char*, std::default_delete , std::allocator ) at /Users/atsarev/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/xtensa-lx106-elf/include/c++/4.8.2/ext/new_allocator.h line 104
0x40203aac: BearSSL::insecure_start_chain(br_x509_class const**, char const*) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp line 606
0x40202c70: ESP8266WiFiGenericClass::_eventCallback(void*) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp line 65
0x4021ca19: sntp_recv at apps/sntp/sntp.c line 508
0x4021c7c4: icmp_dest_unreach at core/ipv4/icmp.c line 312
0x4021c52c: icmp_send_response at core/ipv4/icmp.c line 353
0x4021cd97: inet_chksum_pbuf at core/inet_chksum.c line 588
0x40229509: br_ccm_reset at src/aead/ccm.c line 71
0x40202e37: WiFiClient::peekBytes(unsigned char*, unsigned int) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/WiFiClient.cpp line 298
0x402049b2: BearSSL::WiFiClientSecure::_run_until(unsigned int, bool) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp line 421
0x40100564: _umm_free at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/cores/esp8266/umm_malloc/umm_malloc.c line 1300
0x40201945: _malloc_r at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/cores/esp8266/heap.c line 20
0x40207d38: String::charAt(unsigned int) const at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/cores/esp8266/WString.cpp line 550
0x40207e16: String::lastIndexOf(String const&, unsigned int) const at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/cores/esp8266/WString.cpp line 648
0x40207e59: String::substring(unsigned int, unsigned int) const at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/cores/esp8266/WString.cpp line 655
0x4021ebd4: sha2big_round at src/hash/sha2big.c line 124
0x4021eb7c: sha2big_round at src/hash/sha2big.c line 124
0x4021e68a: br_sha1_round at src/hash/sha1.c line 81
0x40204be4: BearSSL::WiFiClientSecure::available() at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp line 378
0x40204df3: BearSSL::WiFiClientSecure::_connectSSL(char const*) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp line 897
0x40207d38: String::charAt(unsigned int) const at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/cores/esp8266/WString.cpp line 550
0x402014d7: delay at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/cores/esp8266/core_esp8266_wiring.c line 46
0x40203a24: std::_Sp_counted_deleter  ::_Deleter   >, std::allocator , (__gnu_cxx::_Lock_policy)0>::_M_destroy() at /Users/atsarev/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/xtensa-lx106-elf/include/c++/4.8.2/bits/shared_ptr_base.h line 350
0x40204eba: BearSSL::WiFiClientSecure::connect(char const*, unsigned short) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/WiFiClientSecureBearSSL.cpp line 223
0x40208728: WiFiClient::operator bool() at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/WiFiClient.cpp line 349
0x40208384: init_done() at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/cores/esp8266/core_esp8266_main.cpp line 181
0x40205ed4: HTTPClient::addHeader(String const&, String const&, bool, bool) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp line 959
0x402066bc: HTTPClient::writeToStreamDataBlock(Stream*, int) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp line 1271
0x40206ba8: HTTPClient::~HTTPClient() at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp line 126
0x40206ec1: HTTPClient::beginInternal(String, char const*) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp line 320
0x40204057: std::__shared_ptr ::operator=(std::__shared_ptr &&) at /Users/atsarev/Library/Arduino15/packages/esp8266/tools/xtensa-lx106-elf-gcc/2.5.0-3-20ed2b9/xtensa-lx106-elf/include/c++/4.8.2/bits/move.h line 177
0x4020676a: HTTPClient::writeToStreamDataBlock(Stream*, int) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp line 1251
0x4020296c: httpTest() at /Users/atsarev/dev/SmartBox/src/HTTPClient/HTTPClient.ino line 28
0x40206e00: HTTPClient::beginInternal(String, char const*) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp line 300
0x40202d44: ESP8266WiFiSTAClass::begin() at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/ESP8266WiFiSTA.cpp line 217
0x40206f10: HTTPClient::beginInternal(String, char const*) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266HTTPClient/src/ESP8266HTTPClient.cpp line 320
0x40202d44: ESP8266WiFiSTAClass::begin() at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/ESP8266WiFiSTA.cpp line 217
0x40202a61: wifi_dns_found_callback(char const*, ip4_addr const*, void*) at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/libraries/ESP8266WiFi/src/ESP8266WiFiGeneric.cpp line 576
0x40207de4: String::lastIndexOf(String const&, unsigned int) const at /Users/atsarev/Library/Arduino15/packages/esp8266/hardware/esp8266/2.5.0/cores/esp8266/WString.cpp line 638

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