> > On 7 Aug 2023, at 10:45, Tomas Vanek > > <tom_...@users.sourceforge.net> wrote: > > > > The problem with a debug break induced into an interrupt handler is > > same as we observed > > in other Cortex-M7 versions. > > ok, so probably all STM Cortex-M7 cores are affected. > > did you inform someone at STM/Arm? > > > Currently I don't have enough time to work on any workaround. > > no problem, I'll stick to Cortex-M4 for my tests. > > > Liviu
I believe that this has been discussed on ST's forum. Some core revisions have this bug and ST's response is that it will not be fixed. OpenOCD already prints an alert on connection for buggy cores. STM32F745 is buggy. STM32F769 works. regards James