The device suddenly lost access to MQTT

[AntonKozlenko]

Thank you for the complete answer.

I also wanted to note one observation in the OTA process.

The dashboard shows that OTA is rejected, but the behavior of the device shows that the new firmware has been successfully downloaded and updated. The device is running on the new firmware.

The port monitor shows only such messages:
E (530128) TRANSPORT_BASE: poll_read select error 113, errno = Software caused connection abort, fd = 48
E (530128) MQTT_CLIENT: Poll read error: 119, aborting connection

I use Arduino IDE

Below is a screenshot from the dashboard.

[AntonKozlenko]

Screenshot from dashboard

[ESP_Piyush]

The log message seems to be incomplete. Since app rollback is enabled by default, when the node reboots into new firmware, it waits for an MQTT connection before it can report OTA success. If it cannot connect or there is some crash, it boots back into older firmware and reports rejected saying that the firmware rolled back. Can you check the subsequent logs to see if this is what has happened?

[AntonKozlenko]

There are no error messages in Arduino during subsequent reboots.
The device is loaded on an already NEW firmware (which was allegedly rejected).

I have tested this on two devices: ESP32 (16Mb) and ESP32 S3 (8Mb) .

[Mahesh_T]

Got OTA working with ESP32S3 8MB / Arduino-esp32 3.0.5 with some bugfixes*

Bugfixes ->
1. Change esp-insights version in Arduino-esp32/idf_component.yml to 1.2.1
2. compiled Arduino core using latest esp-idf release/v5.1 (after this [commit][https://github.com/espressif/esp-idf/co ... 193613717f] )
3. Fixed Rainmaker_8mb.csv partition, to use 64KB aligned offset.

Code: [Select all] [Expand/Collapse]

1. # Name,   Type, SubType, Offset,  Size, Flags
2. nvs,       data,  nvs,     0x9000,   0x5000,
3. otadata,   data,  ota,     0xe000,   0x2000,
4. ota_0,     app,   ota_0,   0x10000,  0x3E0000,
5. ota_1,     app,   ota_1,   0x3F0000, 0x3E0000,
6. fctry,     data,  nvs,     0x7EA000, 0x6000,
7. coredump,  data,  coredump,0x7F0000, 0x10000,

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Code: [Select all] [Expand/Collapse]

1. ESP-ROM:esp32s3-20210327
2. Build:Mar 27 2021
3. rst:0xc (RTC_SW_CPU_RST),boot:0x8 (SPI_FAST_FLASH_BOOT)
4. Saved PC:0x403775cd
5. SPIWP:0xee
6. mode:DIO, clock div:1
7. load:0x3fce3818,len:0x109c
8. load:0x403c9700,len:0x4
9. load:0x403c9704,len:0xb50
10. load:0x403cc700,len:0x2fe4
11. entry 0x403c98ac
12. [   465][I][RMaker.cpp:18] event_handler(): RainMaker Initialized.
13. [   520][I][WiFiProv.cpp:159] beginProvision(): Already Provisioned
14. [   526][I][WiFiProv.cpp:163] beginProvision(): Attempting connect to AP: Rosy
15.  
16. [  7193][I][RMaker.cpp:29] event_handler(): MQTT Connected.
17. [  7248][I][RMaker.cpp:41] event_handler(): OTA Successful : OTA Upgrade finished and verified successfully
18. [  7617][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 131.
19. [  7624][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 64755.
20. [  7630][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 705.
21. [  7637][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 39831.
22. [  8040][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 43728.
23. [  8047][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 25924.
24. [  8523][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 26388.
25. [ 12722][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 48215.
26. [ 12834][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 3505.
27. Toggle State from ota update to false.
28. [ 22689][I][RMakerDevice.cpp:147] updateAndReportParam(): Device : Switch, Param Name : Power, Val : false
29. [ 23371][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 25402.
30. Toggle State from ota update to true.
31. [ 26502][I][RMakerDevice.cpp:147] updateAndReportParam(): Device : Switch, Param Name : Power, Val : true
32. [ 27161][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 11517.
33. Toggle State from ota update to false.
34. [ 29315][I][RMakerDevice.cpp:147] updateAndReportParam(): Device : Switch, Param Name : Power, Val : false
35. [ 30129][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 60824.
36. [ 68120][I][RMaker.cpp:31] event_handler(): MQTT Published. Msg id: 24799.

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[AntonKozlenko]

Thank you so much for such a detailed answer.