On Fri, Feb 10, 2017 at 10:41:45AM +0100, Johan Hovold wrote: > On Thu, Feb 09, 2017 at 05:30:11PM +0100, Paul Menzel wrote: > > > Feb 09 17:24:59 centos7 kernel: usb 3-8: USB disconnect, device number 59 > > Feb 09 17:25:01 centos7 kernel: usb 3-8: new low-speed USB device number > > 60 using xhci_hcd > > Feb 09 17:25:01 centos7 kernel: usb 3-8: New USB device found, > > idVendor=046d, idProduct=c077 > > Feb 09 17:25:01 centos7 kernel: usb 3-8: New USB device strings: Mfr=1, > > Product=2, SerialNumber=0 > > Feb 09 17:25:01 centos7 kernel: usb 3-8: Product: USB Optical Mouse > > Feb 09 17:25:01 centos7 kernel: usb 3-8: Manufacturer: Logitech > > Feb 09 17:25:01 centos7 kernel: input: Logitech USB Optical Mouse as > > /devices/pci0000:00/0000:00:14.0/usb3/3-8/3-8:1.0/input/input181 > > Feb 09 17:25:01 centos7 kernel: hid-generic 0003:046D:C077.00B4: > > input,hidraw1: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on > > usb-0000:00:14.0-8/input0 > > ``` > > > > I am still wondering, how `usb3` or `usb1` gets into that path? Probably > > depending on the port. I’ll try that tomorrow. > > That's the bus name (number). lsusb -t gives you an overview of what the > topology looks like on your system. > > Note that an xHCI controller provides two (logical) buses; one for > SuperSpeed devices and one for FullSpeed devices, even if the same > physical ports are used for both. I meant to say High-Speed rather than Full-Speed devices above, but I guess non-SuperSpeed would be more accurate. Johan -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html