ehci
ehci0: <EHCI (generic) USB 2.0 controller> mem 0xe0100000-0xe01003ff at device 29.7 on pci0 ehci0: Reserved 0x400 bytes for rid 0x10 type 3 at 0xe0100000 ehci0: [GIANT-LOCKED] ehci_pci_attach: companion usb0 ehci_pci_attach: companion usb1 ehci0: USB init failed err=13 device_attach: ehci0 attach returned 5
むむ、失敗してる?