Kyseessä on 64 bittinen Fedora 17 ja Asuksen p8p67 emolevy.
Kiintolevy toimii ja tunnistuu oikein usb 2.0 portissa mutta ei 3.0 portissa.
/var/log/messages sanoo:
Jul 12 18:54:43 coppermine kernel: [23687.571539] usb 5-2: new high-speed USB device number 5 using xhci_hcd
Jul 12 18:54:43 coppermine kernel: [23687.571548] xhci_hcd 0000:06:00.0: ERROR: unexpected command completion code 0x0.
Jul 12 18:54:43 coppermine kernel: [23687.772428] xhci_hcd 0000:06:00.0: ERROR: unexpected command completion code 0x0.
Jul 12 18:54:43 coppermine kernel: [23687.973291] usb 5-2: device not accepting address 5, error -22
Jul 12 18:54:43 coppermine kernel: [23688.024253] hub 5-0:1.0: unable to enumerate USB device on port 2
Jul 12 18:54:43 coppermine kernel: [23688.024276] xhci_hcd 0000:06:00.0: Bad Slot ID 4
Jul 12 18:54:43 coppermine kernel: [23688.024278] xhci_hcd 0000:06:00.0: Could not allocate xHCI USB device data structures
Jul 12 18:54:43 coppermine kernel: [23688.024284] hub 6-0:1.0: couldn't allocate port 2 usb_device
lspci | grep "USB 3":
03:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)
06:00.0 USB Controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)