Comment 10 for bug 1750584

Maybe this can help:

ttomaz@tales-inspiron:~$ lsusb
Bus 001 Device 006: ID 064e:812e Suyin Corp.
Bus 001 Device 005: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 004: ID 04f3:0034 Elan Microelectronics Corp.
Bus 001 Device 007: ID 0cf3:0036 Atheros Communications, Inc.
Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 002: ID 046d:c52f Logitech, Inc. Unifying Receiver
Bus 002 Device 003: ID 090c:1000 Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) Flash Drive
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub