OSError: [Errno 22] Invalid argument: '/dev/piControl0'

[tylerjm]

I have successfully been running our production software which utilizes the revpimodio2 python module to control I/O on over 50 revpi units. Today, I flashed a new unit and ran the software but am receiving the following error:

OSError: [Errno 22] Invalid argument: '/dev/piControl0'

This occurs when the revpimodio2 python class is instantiated.

Code: Select all

import revpimodio2

Code: Select all

rpi = revpimodio2.RevPiModIO(autorefresh=True)

Has anyone else run into this before?

[nicolaiB]

Looks like the piControl driver is not running / missing. What is the output of the following commands:

• ls -l /dev/piControl0
• uname -a
• cat /etc/revpi/image-release

Nicolai