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.
The output of lsusb -v for this adapter is:
Bus 001 Device 007: ID 067b:23a3 Prolific Technology, Inc. Lenovo USB
Optical Mouse
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x067b Prolific Technology, Inc.
idProduct 0x23a3
bcdDevice 1.05
iManufacturer 1 Prolific Technology Inc.
iProduct 2 ATEN USB to Serial Bridge
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 0x0027
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xbf
(Bus Powered)
Remote Wakeup
Battery Powered
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 0
bInterfaceProtocol 0
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x000a 1x 10 bytes
bInterval 1
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Device Status: 0x0000
(Bus Powered)
Thank you in advance for any help and/or answer. :)
--
Eduard-Bogdan Budai
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mobile: 0770/064481
office: 0364/400427
e-mail:eduard.budai@xxxxxxxxxx
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