Posted on September 09, 2015 at 17:56Error code is HAL_ADC_ERROR_DMA (0x02) which means DMA transfer error.Free RTOS working fine. If i dont start FreeRTOS (everything commented) ADC conversions with DMA works fine.

Posted on September 09, 2015 at 07:49Hi,I have the same problem. Yesterday i updated STM32CubeF4 FW to v1.8. And still the same.I'm using ADC DMA example for stm32d4xx discovery and after adc initialization i start free-rtos (using cmsis-os wrapper)...