On Mon, Jan 10, 2022 at 09:48:56PM -0500, James wrote: > $ lsusb -tv > /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M > ID 1d6b:0003 Linux Foundation 3.0 root hub > /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M > ID 1d6b:0002 Linux Foundation 2.0 root hub > /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 10000M > ID 1d6b:0003 Linux Foundation 3.0 root hub > |__ Port 3: Dev 4, If 0, Class=Mass Storage, Driver=uas, 5000M > ID 0bc2:ab5a Seagate RSS LLC > |__ Port 4: Dev 3, If 0, Class=Mass Storage, Driver=uas, 5000M > ID 0bc2:2321 Seagate RSS LLC Expansion Portable > /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/10p, 480M > ID 1d6b:0002 Linux Foundation 2.0 root hub > |__ Port 5: Dev 4, If 0, Class=Human Interface Device, Driver=usbhid, > 1.5M > ID 04d9:1503 Holtek Semiconductor, Inc. Keyboard > |__ Port 5: Dev 4, If 1, Class=Human Interface Device, Driver=usbhid, > 1.5M > ID 04d9:1503 Holtek Semiconductor, Inc. Keyboard > |__ Port 6: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, > 1.5M > ID 30fa:0400 > > Port 6 Dev 3 is the mouse I bought from Amazon. > Why doesn't have a name beside it? Because there is no entry for that vendor/product ID in the udev/systemd hardware database. See "man hwdb" and "man systemd-hwdb", and also the files in /usb/lib/udev/hwdb.d. Near the top of the 70-mouse.hwdb file in that directory are instructions on how to submit a new ID for inclusion in the database. Alan Stern
