stm32h7 dual core mpu problem

Hi everybody.

I have a sdcard code which sd buffer is placed at axi ram of mu and handle by m4 core.

When m7 cpu data cache is enabled the code doesnt work on m4 core when not using debug, but it works when debugging cores.

If its mpu problem it shouldnt work in dubug mode either.

I tried defining axi ram as non cachable but problem still the same.

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