error

起動後、USBコネクタを抜き差ししなければ、デバイスが使えなくなってる。

[17179573.668000] ehci_hcd 0000:00:03.3: USB 2.0 started, EHCI 1.00, driver 10 D
ec 2004
[17179573.668000] usb usb1: configuration #1 chosen from 1 choice
[17179573.668000] hub 1-0:1.0: USB hub found
[17179573.668000] hub 1-0:1.0: 6 ports detected
[17179574.776000] hub 1-0:1.0: Cannot enable port 1. Maybe the USB cable is bad
?
[17179575.648000] hub 1-0:1.0: Cannot enable port 1. Maybe the USB cable is bad
?
[17179576.520000] hub 1-0:1.0: Cannot enable port 1. Maybe the USB cable is bad
?
[17179577.392000] hub 1-0:1.0: Cannot enable port 1. Maybe the USB cable is bad
?
[17179577.392000] usbcore: registered new driver libusual

ehci_hcdをkernelに組み込んだため？　あとで試す。

A.うえでOk.