As you say the problems probably arise because the example on righto.com is for an older debian distribution. If you are using the last Debian release 4.4.91-ti-r133 from 5. Oct. 2017 and you would also accept to write the code for the PRU in C this actual example perhaps can help you. https://github.com/RoSchmi/Beaglebone-PRU-RPMsg-HelloWorld Regards RoSchmi
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