I have the same problem. May be related to CPU Idle - see https://www.xilinx.com/support/answers/69143.html. To fix this seems to require a recompile of the board PYNQ boot image
I have the same problem. May be related to CPU Idle - see https://www.xilinx.com/support/answers/69143.html. To fix this seems to require a recompile of the board PYNQ boot image