Ubuntu: Ubuntu 16.04.1 usbserial missing



Question:


What is the deal with usbserial kernel module in current Ubuntu version? I cannot install any drivers, which depend on usbserial.ko.

How I got to this:
When I connect CP2102 Virtual COM Port (VCP) adapter to USB I get this output:

[ 1893.942663] usb 1-1.1.4.2: new full-speed USB device number 12 using ehci-pci  [ 1894.052823] usb 1-1.1.4.2: New USB device found, idVendor=10c4, idProduct=ea60  [ 1894.052826] usb 1-1.1.4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3  [ 1894.052828] usb 1-1.1.4.2: Product: CP2102 USB to UART Bridge Controller  [ 1894.052829] usb 1-1.1.4.2: Manufacturer: Silicon Labs  [ 1894.052831] usb 1-1.1.4.2: SerialNumber: 0001  [ 1895.067552] cp210x: Unknown symbol usb_serial_generic_open (err 0)  [ 1895.067565] cp210x: Unknown symbol usb_serial_generic_close (err 0)  [ 1895.067579] cp210x: Unknown symbol usb_serial_deregister_drivers (err 0)  [ 1895.067595] cp210x: Unknown symbol usb_serial_register_drivers (err 0)  

$ lsmod | grep 210x and $ lsmod | grep usbserial outputs nothing

Then I tried to rebuild the driver. Downloaded new CP210x driver form http://www.silabs.com/products/development-tools/software/usb-to-uart-bridge-vcp-drivers

$ make  $ cp ./cp210x.ko /lib/modules/4.8.0-58-generic/kernel/drivers/usb/serial/cp210x.ko  $ insmod /lib/modules/4.8.0-58-generic/kernel/drivers/usb/serial/cp210x.ko   insmod: ERROR: could not insert module /lib/modules/4.8.0-58-generic/kernel/drivers/usb/serial/cp210x.ko: Unknown symbol in module  

Also $ modinfo usbserial outputs

filename:       /lib/modules/4.8.0-58-generic/kernel/drivers/usb/serial/usbserial.ko  modinfo: ERROR: could not get modinfo from 'usbserial': No such file or directory  

My system info: 4.8.0-58-generic #63~16.04.1-Ubuntu SMP Mon Jun 26 18:08:51 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux What is going on here and how to fix it? And how to get drivers up and running?

Thank you in advance!!


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