I’m experiencing a problem that is similar to the one outlined here, although I am using a 4gb raspberry pi 4.
I have been running a 2018 pisound on a pi3 with the old patchbox OS. Then I have run the same setup on a pi4 using raspbian lite, and i have not had any issue with USBs. I decided to try the pi4 with the latest patchbox, flashed the card and then plugged in a novation launchpad, which the pi did not recognise, giving the flashing lights that signify it is powered but not connected.
I initially installed from the 2020-03-14 image, but then I ran
sudo apt update and
sudo apt upgrade, (which should mean I am running on the equivalent of the 2020-11-23 image?)
I swapped out the SD card back to the raspbian OS and the same setup worked perfectly, so i’m clear it isn’t the hardware.
When I run
lsusb on the patchbox os I get the following output:
patch@patchbox ~ lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
This led me to the pi4 8gb thread, and I then did the recommended installation of the non-realtime kernel, and the usbs worked. With the non rt kernel the lsusb output looks like:
patch@patchbox ~ lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
I would prefer to be using the rt kernel, but if i don’t have usbs, then it’s a no-go. Does anyone have any other thoughts on what I could do for this?