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Hello everybody.
Like in the title I noticed strange behaviour while debbuging my app, the problem is that when I'm single stepping everything is fine, but then when I step over or run to cursor line on the same code I'm getting hardfault with impreciserr bus fault, also changing optimazation level from 0 to higher seems to help but I used O0 before all the time and there were no problems.
I'm really confused about that and I would appriciate any thoughts what's goining on.
If you use MDK and the uVision debugger to debug a Cortex-M based device, then while single-stepping, interrupts are normally disabled. So, in the other cases, interrupts could cause the trouble.