Hi Philipp, Thanks for the reply. I do have issue reported as another topic - which may or may not be related https://revolution.kunbus.de/forum/viewtopic.php?f=6&t=2997 . It is the fact that analog input read from piTest intermittently fail. I am stuck there in that topic. (Currently i had to i...

anyone else is also having this error/warning in their kernel log? The file is in /var/log/kern.log

I notice that at idle, piControl driver is taking up CPU about 20-25% - which i think it's kind of high.

Hi Johannes, or others, Any comments? I tried to get revpi-sos but could not get the tool. So I am not sure how else to provide anymore diagnostic info. Also, the issue persists intermittently on all of my 5 RevPI Compact devices. I have done all the apt-get update and upgrades. The fact that the is...

Hi Johannes,
I tried to get the sos, but I got the following "Unable to locate package revpi-sos" error. Did I miss any step? Any advice? I also try to see which was outdated - FYI

Hi Johannes, Yes, I did (as shown in screenshot below) PICtorysetting.jpg Is there anything else that I need to configure? I should have mentioned also that the issue is intermittent. Analog Input reading (via piTest) sometimes works even after reboot. But 50% of the time it would fail again (return...

Hi all,
I am using RevPi Compact. When I look at the /var/log/kern.log, i am seeing a flood of messages "piControl i/o: missed xx cycles". Why is this error? How can we stop this error?

-Christian

Hi, I am having trouble reading analog input by using the following command (using piControl): pi@raspberrypi:~ $ piTest -r AIn_1 , where the returned reading is always 0 Anybody has run into same issue? But, once I performed the following manual raw iio read (see below code), then the analog input ...