My bpi m64 install wiringPi at https://github.com/BPI-SINOVOIP/BPI-WiringPi2 , and my i2c and uart can work normally ,whereas isr cannot work , when run program it show isr:wait for support(0) , like that when I type command “gpio edge 0 falling” on terminal, it cannot work either. any one can help me ? I appreciate in advance.