Nope, different machine doesn't work. It's real shame that ST decided to not collaborate with Segger on stlink v3, so that their powerful hardware with terrible software can be replaced by J-link which is *much* better and stable.See here: https://fo...

That's weird. I had this working on NUCLEO_H743ZI (the one with stlink v3) fine. And suddenly it just stopped working with "Target is not responding, retrying..." after clicking "start trace". I've upgraded to 1.3.1 and still the same issue - restart...