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Hello, I am working on a dual core project with mailbox IP on a Arty Z7-10 board which has been acting inconsistently. In my project, 1st core is receiving data from FPGA and sending it through mailbox to the 2nd core; the 2nd core is supposed to receive and write them to the SD card. I need to write the data at 0.5 to 1 MB/s speed, so I can not read and write fast enough on one core. As an example to show the problem, I am writing a number to the card that is being incremented by one on a loop, and plot that versus the clock cycles. Supposedly, my output should look like a straight