This has been discussed in two other threads, one brought up by someone else and another by myself when I thought I found a solution but it ended up being a fake solution.https://community.st.com/s/question/0D50X00009XkgwcSAB/stm32f7-quadspi-and-the-...

I've been fighting a very subtle strange QSPI bug for a while now where data is occasionally spuriously clocked out unexpectedly. Without going into too much detail about that right now, my question is about interrupt priorities. I found what appears...