TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 Inet6 y::y.y.y.y prefixlen 64 scopeid 0x20 Inet x.x.x.x netmask x.x.x.x broadcast x.x.x.x var/swap file 1048572 0 -2 Package version information Legacy block fails: 0 Filesystem informationįilesystem 1K-blocks Used Available Use% Mounted on Linux PI4 4.19.118-v7l+ raspberrypi/firmware#1311 SMP Mon Apr 27 14:26: armv7l GNU/LinuxĬamera : supported=0 detected=0 Videocore information PRETTY_NAME="Raspbian GNU/Linux 10 (buster)" I will start the programs and they may run for days but at some point the USB subsystem will vanish System Run my libusb program with a python program that communicates with a RS485 modbus Here you can see an lsusb shows no devices and a hub-ctrl says there are no hubs found. Is there a way to get the USB back without having to reboot. You can no longer see any connected devices. The USB subsystem will stop working at random after hours or days.
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