[riot-notifications] [RIOT-OS/RIOT] esp8266: Hangs when erasing spi sector on mtd0 if using esp_wifi (#16281)

iosabi notifications at github.com
Mon Apr 5 22:24:32 CEST 2021


#### Description

esp8266 hangs when the esp_wifi module is built in and one attempts to format a spiffs on mtd0.  

I'm using the ESP12x board (in my case the [Adafruit Huzzah breakout board](https://www.adafruit.com/product/2471) without anything connected to it other than the UART).

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#### Steps to reproduce the issue

1. Download `xtensa-esp8266-elf-gcc` and make it available in your PATH
2. Download [ESP RTOS SDK](https://github.com/gschorcht/RIOT-Xtensa-ESP8266-RTOS-SDK.git) to `/opt/esp/ESP8266-RTOS-SDK`
3. Compile the following example:


4. Connect with your favorite terminal. Check that the board is working (type `help` for example).
5. Run `format` (if it runs ok then rung `format` again).

#### Expected results


#### Actual results




#### Versions
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https://github.com/RIOT-OS/RIOT/issues/16281
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