I have been writing some pigpio apps and all of a sudden, they all start to fail. The error I get is:
initMboxBlock: init mbox zaps failed
The error is thrown from calls to
My next step is to see if rebooting helps but I am hoping that there might be an explanation and a way to prevent this in future (assuming the reboot doesn't help).
Later ... a reboot cured the problem, but I'm still curious as to what may have happened.