I found something when calling the SET_BIT function twice:https://community.st.com/t5/stm32-mcus-embedded-software/stmh7-eth-dmamr-swr-fails/m-p/737333/highlight/true#M56484 Maybe this will help you :)

Same issue here on a H747 DISC0. Same c-code as yesterday, starting my program today and constantly running into this behaviour.This line of code triggers the Hardfault_Handler()SET_BIT(heth->Instance->DMAMR, ETH_DMAMR_SWR);But when debugging I notic...