Comment 230 for bug 1667750

If the error occurred once, xhci will be unusable for all other devices:

[20480.414467] usb 1-2: new full-speed USB device number 6 using xhci_hcd
[20480.717690] usb 1-2: New USB device found, idVendor=1546, idProduct=01a7, bcdDevice= 1.00
[20480.717695] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[20480.717698] usb 1-2: Product: u-blox 7 - GPS/GNSS Receiver
[20480.717700] usb 1-2: Manufacturer: u-blox AG - www.u-blox.com
[20480.726485] cdc_acm 1-2:1.0: ttyACM0: USB ACM device
[20480.760327] audit: type=1130 audit(1570274963.323:75): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=gpsdctl@ttyACM0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[20486.732259] usb 1-2: USB disconnect, device number 6
[20486.746846] audit: type=1131 audit(1570274969.310:76): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=gpsdctl@ttyACM0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
[20487.027593] usb 1-2: new full-speed USB device number 7 using xhci_hcd
[20487.244298] usb 1-2: device descriptor read/64, error -71
[20487.540954] usb 1-2: device descriptor read/64, error -71
[20487.837571] usb 1-2: new full-speed USB device number 8 using xhci_hcd
[20487.991378] usb 1-2: device descriptor read/64, error -71
[20488.287616] usb 1-2: device descriptor read/64, error -71
[20488.394301] usb usb1-port2: attempt power cycle
[20489.037910] usb 1-2: new full-speed USB device number 9 using xhci_hcd
[20489.065424] usb 1-2: Device not responding to setup address.
[20489.271605] usb 1-2: Device not responding to setup address.
[20489.477900] usb 1-2: device not accepting address 9, error -71