Conclusion of my problem: a very simple stack overflow in a very simple FreeRTOS task, that does a bit GPIO and simply calls vTaskDelay(...). Conclusion#2: Only trust your own code.#define configMINIMAL_STACK_SIZE ((uint16_t)128)This ...

Thanks a lot for your detailed answer. In the meantime I have found a lot of things about the FreeRTOS port on STM32, but my problem is a bit different, because the memory access fault happens much later and very seldom compared to the number of cycl...

Hi,the sourceforge link doesn't work anymore. Do you have an issue ID of this problem or some short explanation, how this happens?Thanks !!