Comment # 18 on bug 1186320 from Jon Harrison

OP here.  5.3.18-lp152.78-default #1 SMP Tue Jun 1 14:53:21 UTC 2021 (556d823)
does not work for me on an xhci and an ehci port.

dmesg | tail
[  224.327897] usb usb2-port1: attempt power cycle
[  224.979891] usb 2-1: new full-speed USB device number 4 using xhci_hcd
[  224.980046] usb 2-1: Device not responding to setup address.
[  225.188001] usb 2-1: Device not responding to setup address.
[  225.395873] usb 2-1: device not accepting address 4, error -71
[  225.523840] usb 2-1: new full-speed USB device number 5 using xhci_hcd
[  225.524036] usb 2-1: Device not responding to setup address.
[  225.732021] usb 2-1: Device not responding to setup address.
[  225.939882] usb 2-1: device not accepting address 5, error -71
[  225.939955] usb usb2-port1: unable to enumerate USB device


dmesg | tail
[  260.836292] usb 1-1.2: device descriptor read/64, error -32
[  261.024294] usb 1-1.2: new full-speed USB device number 5 using ehci-pci
[  261.104292] usb 1-1.2: device descriptor read/64, error -32
[  261.292293] usb 1-1.2: device descriptor read/64, error -32
[  261.400480] usb 1-1-port2: attempt power cycle
[  262.004281] usb 1-1.2: new full-speed USB device number 6 using ehci-pci
[  262.420306] usb 1-1.2: device not accepting address 6, error -32
[  262.500310] usb 1-1.2: new full-speed USB device number 7 using ehci-pci
[  262.916310] usb 1-1.2: device not accepting address 7, error -32
[  262.916447] usb 1-1-port2: unable to enumerate USB device

The machine is a 9 yr old Dell i7 motherboard.