Hello,

Thanks for your help !

There is no USB cable, the esp32 is on a board with a USB-A male pin, plugged on the USB-A female adapter.
The only other component on the board is a NeoPixel LED (SK6812 3535), that is always blinking.

After adding our daily reboot + custom high-level watchdog, we ...

The power supply is a USB-A - AC adapter, 5V, 1A.

Hello, thanks for your help,

I have tested your hypothesis, but when simulating a stuck, slow or non-responding server, the esp_http_client timeouts and programs handle it correctly.

I have also implemented a custom watchdog, that gets hit sometimes in production, but there are still boards that ...

I have an ESP32 ESP-IDF project, on M5stack Atom board.
I have shipped hundreds of products in production.

Basically my application connects to a wifi AP, poll my server for a few minutes, then connect to a bluetooth peripheral, and lopps back.

Some users encounter the device stopping at some ...