I'm getting this error now, and i don't have nothing in parameters with GPIO9:
debian@beaglebone:~/MySensors$ sudo ./bin/mysgw
Jun 17 08:17:50 INFO Starting gateway...
Jun 17 08:17:50 INFO Protocol version - 2.3.2
Jun 17 08:17:50 DEBUG MCO:BGN:INIT GW,CP=RNNGL---,FQ=NA,REL=255,VER=2.3.2
Jun 17 08:17:50 DEBUG TSF:LRT:OK
Jun 17 08:17:50 DEBUG TSM:INIT
Jun 17 08:17:50 DEBUG TSF:WUR:MS=0
Jun 17 08:17:50 DEBUG !TSM:INIT:TSP FAIL
Jun 17 08:17:50 DEBUG TSM:FAIL:CNT=1
Jun 17 08:17:50 DEBUG TSM:FAIL:DIS
Jun 17 08:17:50 DEBUG TSF:TDI:TSL
Jun 17 08:18:00 DEBUG TSM:FAIL:RE-INIT
Jun 17 08:18:00 DEBUG TSM:INIT
Jun 17 08:18:11 ERROR Could not open /sys/class/gpio/gpio9/direction