Jul  3 00:56:25 courgette usb 1-2: new high speed USB device using ehci_hcd and address 4
Jul  3 00:56:25 courgette usb 1-2: configuration #1 chosen from 1 choice
Jul  3 00:56:25 courgette uba:<7>ub(1.4): dir r len/act 4096/0 [sense 0 00 00] retry 1
Jul  3 00:56:25 courgette usb 1-2: reset high speed USB device using ehci_hcd and address 4
Jul  3 00:56:25 courgette ub(1.4): dir r len/act 4096/0 [sense 0 00 00] retry 2
Jul  3 00:56:26 courgette ub(1.4): dir r len/act 4096/0 [sense 0 00 00] retry 3
Jul  3 00:56:26 courgette usb 1-2: reset high speed USB device using ehci_hcd and address 4
Jul  3 00:56:26 courgette end_request: I/O error, dev uba, sector 0
Jul  3 00:56:26 courgette Buffer I/O error on device uba, logical block 0
Jul  3 00:56:27 courgette ub(1.4): dir r len/act 4096/0 [sense 0 00 00] retry 1
Jul  3 00:56:27 courgette usb 1-2: reset high speed USB device using ehci_hcd and address 4
Jul  3 00:56:27 courgette ub(1.4): dir r len/act 4096/0 [sense 0 00 00] retry 2
Jul  3 00:56:28 courgette ub(1.4): dir r len/act 4096/0 [sense 0 00 00] retry 3
Jul  3 00:56:28 courgette usb 1-2: reset high speed USB device using ehci_hcd and address 4
Jul  3 00:56:28 courgette end_request: I/O error, dev uba, sector 0
Jul  3 00:56:28 courgette Buffer I/O error on device uba, logical block 0
Jul  3 00:56:28 courgette unable to read partition table