The following devices are breaking away after connecting the scanner
(compared lsusb -v -v -v before and afterwards):

Bus 002 Device 003: ID 05e3:0612 Genesys Logic, Inc.
idVendor           0x05e3 Genesys Logic, Inc.

Bus 002 Device 002: ID 05e3:0612 Genesys Logic, Inc. 
  idVendor           0x05e3 Genesys Logic, Inc.

Bus 001 Device 003: ID 1038:1122 SteelSeries ApS 
  idVendor           0x1038 SteelSeries ApS

Bus 001 Device 009: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
  idVendor           0x05e3 Genesys Logic, Inc.

Bus 001 Device 006: ID 1a40:0101 Terminus Technology Inc. Hub
  idVendor           0x1a40 Terminus Technology Inc.

Bus 001 Device 007: ID 0b95:6802 ASIX Electronics Corp. 
  idVendor           0x0b95 ASIX Electronics Corp.

Bus 001 Device 004: ID 1a40:0101 Terminus Technology Inc. Hub
  idVendor           0x1a40 Terminus Technology Inc.

Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
  idVendor           0x05e3 Genesys Logic, Inc.

Wireless also seems to be kicked out 
Bus 001 Device 014: ID 2357:0009 
  idVendor           0x2357 
      bFunctionClass        224 Wireless

Bus 001 Device 008: ID 5986:0547 Acer, Inc 
seems to be the video camera
  idVendor           0x5986 Acer, Inc
      bFunctionClass         14 Video

Bus 001 Device 005: ID 8087:0aa7 Intel Corp. 
  idVendor           0x8087 Intel Corp.
  bDeviceClass          224 Wireless
  bDeviceSubClass         1 Radio Frequency
  bDeviceProtocol         1 Bluetooth
so bluetooth is dead also. :-(

I am using a LTE/WLAN router which
is connected to USB, the connection is also lost of course.

Keyboard on USB and Logitech, Inc. Unifying Receiver for mouse
are kicked out as already written.

I have to reboot after that error.

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https://bugs.launchpad.net/bugs/1956849

Title:
  Almost all USB ports suddenly stopped working; unbootable

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