I did find the same issue on the ESP32 Arduino forum : https://github.com/espressif/arduino-esp32/issues/5239 User Simonefardella posted an example sdkconfig file of the ethernet example where the problem was solved. https://github.com/espressif/arduino-esp32/issues/5239#issuecomment-854900942 By ma...

I have a custom board with a LAN8710AI-EZK-TR PHY where I have had a software running using ESP-IDF 4.1 with no issues. I'm using visualgdb. Now I'm trying to upgrade to 4.4 and I have problems with getting ethernet to work. I have done what little refactoring is necessary and it still does not work...

I am trying to use a sim800 circuit and am fooling around with the pppos example. I am using esp-idf 4.0. The example works fine, but when I add a loop to take down and up the PPP connection it freezes waiting for a semaphore in tcpip.c. What I've done: Started a new project with the visualgdb wizar...