On Thu, Jan 20, 2022 at 05:08:15PM +0200, Eduard-Bogdan Budai wrote: > Dear Sirs, > > Today, when a USB-RJ45 adapter was conected to a cumputer running Ubuntu > 20.04.3 in its dmesg appeared: > > [Thu Jan 20 15:24:17 2022] usb 1-3.1: new full-speed USB device number 7 > using xhci_hcd > [Thu Jan 20 15:24:17 2022] usb 1-3.1: New USB device found, idVendor=067b, > idProduct=23a3, bcdDevice= 1.05 > [Thu Jan 20 15:24:17 2022] usb 1-3.1: New USB device strings: Mfr=1, > Product=2, SerialNumber=0 > [Thu Jan 20 15:24:17 2022] usb 1-3.1: Product: ATEN USB to Serial Bridge > [Thu Jan 20 15:24:17 2022] usb 1-3.1: Manufacturer: Prolific Technology Inc. > [Thu Jan 20 15:24:17 2022] pl2303 1-3.1:1.0: pl2303 converter detected > [Thu Jan 20 15:24:17 2022] pl2303 1-3.1:1.0: unknown device type, please > report to linux-usb@xxxxxxxxxxxxxxx > > The kernel version is 5.13.0-27-generic #29~20.04.1-Ubuntu. Should be fixed in newer kernel versions, this is a quite old and obsolete kernel version. Can you try 5.16? thanks, greg k-h
