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On boot, if board_hardfault_init finds a hardfault stored in BBSRAM, it checks if there is any data available on stdin to see if there is somebody there to respond to a prompt. But on boards such as cubeorange where there is not a serial console by default, the ioctl fails and bytesWaiting is uninitialized. So it will non-deterministally hang the boot process with no outside feedback if that value is not zero. Signed-off-by: Alex Mikhalev <alexmikhalevalex@gmail.com>