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epoll_wait() stops working

Question asked by MarkBishop on Nov 1, 2012
Latest reply on Nov 1, 2012 by Aaronwu

I have an incoming line tied to a GPIO line and setup with epoll_wait().  When I boot my bf548 the system works.  However, after some time when the /sys/class/gpio/gpioXX/value changes, epoll_wait() stops picking up the change.  the gpioXX/value changes, but it never gets through.