It is a race condition. The GPIO pin files don't exist until the pin is exported by writing the pin number to /sys/class/gpio/export. The pin files are created neither instantaneously nor synchronously.
Your code or library is trying to open one of the pin files after exporting but before the pin file is ready. Phil -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/9ff7a543-beb1-4d22-946f-29d50390ade1%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
