Hello. I have this bug too. [ 944.504716] usb usb2-port2: Cannot enable. Maybe the USB cable is bad? When I had 5.4.0-74 core this bug was unconditional, i.e. it was when even no one usb devices was plugged. Know I have 5.8.0-55 and this bug occurs only when second usb monitor is plugged (it used displaylink driver). max@Latitude:~$ uname -a Linux Latitude 5.8.0-55-generic #62~20.04.1-Ubuntu SMP Wed Jun 2 08:55:04 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
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