I’m using ubuntu 18.04 and ROS melodic on a raspberry pi 4 model B. Everything was working fine since last week, when I did some apt upgrades. lsusb and lspci show nothing at all. I’m adding dmesg output: dmesg | grep usb [ 0.085818] usbcore: registered new interface driver usbfs [ 0.085873] usbcore: registered new… Read More USB devices disappeared raspberry pi 4 ubuntu 18.04