July 29, 2019 at 8:02 am #11724
I’ve been trying to run a crumble off a raspberry pi. I’ve tried two crumbles, a Pi 3 and a Pi 4 and I’m getting the same problem – the GUI just won’t pick up the crumble. The Pi can see it as a USB device, but I can’t get anything to run on it. It looks like there is a driver missing. Any ideas?July 29, 2019 at 10:00 am #11727
Are you running Buster? We did a quick test a few weeks ago and it seemed to work.
We will do some more tests here, though. In the meantime it might be worth reinstalling the deb file.
JosephJuly 29, 2019 at 2:14 pm #11747
Yes – on Buster. I’ll try again. Since this morning I’ve tested it on a Mac and all was OK. The crumble HW is definitely OK.July 30, 2019 at 10:43 am #11770
Update – now got it running on a Pi 3 which is running stretch, so it looks like it’s a buster issue.July 30, 2019 at 10:47 am #11771
Really strange! We just tested on Buster on a Pi 3 and it worked first time. Currently setting up a Pi 4 to test…
Are you installing by simply double-clicking the deb file, or are you using the command line?
After we’ve finished testing on the Pi 4, we’ll try a few different things to see if we can break it!
JosephJuly 30, 2019 at 11:13 am #11772
I tried installing both ways. Let me know how you get on with the Pi 4 – I’m going to install a fresh image on my SD card to see if that makes a difference.July 30, 2019 at 11:16 am #11773
Looks like it is a problem with the USB library on the Pi 4. Not sure what’s changed yet, but we’re investigating now…October 25, 2019 at 6:55 am #14980villalvillaParticipant
Is there any advance on this? We are experiencing same troubles in raspbian buster with raspi 4. We tried installing this libraries also: https://github.com/signal11/hidapi and seems to happen the same. Any help on this?
ThanksOctober 25, 2019 at 9:03 am #14987villalvillaParticipant
After updating many packages and checking python3* and python 1* libraries, I found that the problem is related to libusb/io.c. Exactly it fails like this:
python: ../../libusb/io.c:2116: handle_events: Assertion `ctx->pollfds_cnt >= internal_nfds’ failed
Hope it helps in your researchment
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