[ 7635.866303] scsi7 : usb-storage 2-1.2:1.0
[ 7636.868425] scsi 7:0:0:0: Direct-Access     Apple    iPod             1.62 PQ: 0 ANSI: 0
[ 7667.416238] usb 2-1.2: reset high-speed USB device number 5 using ehci-pci
[ 7672.492567] usb 2-1.2: device descriptor read/64, error -71
[ 7677.672534] usb 2-1.2: device descriptor read/64, error -71
[ 7677.842486] usb 2-1.2: reset high-speed USB device number 5 using ehci-pci
[ 7682.919002] usb 2-1.2: device descriptor read/64, error -71
[ 7688.098991] usb 2-1.2: device descriptor read/64, error -71
[ 7688.269065] usb 2-1.2: reset high-speed USB device number 5 using ehci-pci
[ 7693.682146] usb 2-1.2: device not accepting address 5, error -71
[ 7693.749050] usb 2-1.2: reset high-speed USB device number 5 using ehci-pci
[ 7699.162225] usb 2-1.2: device not accepting address 5, error -71
[ 7699.162571] sd 7:0:0:0: Device offlined - not ready after error recovery
[ 7699.162640] sd 7:0:0:0: rejecting I/O to offline device
[ 7699.162662] sd 7:0:0:0: rejecting I/O to offline device
[ 7699.162675] sd 7:0:0:0: rejecting I/O to offline device
[ 7699.162681] sd 7:0:0:0: [sdb] READ CAPACITY failed
[ 7699.162685] sd 7:0:0:0: [sdb]  
[ 7699.162688] Result: hostbyte=0x01 driverbyte=0x00
[ 7699.162691] sd 7:0:0:0: [sdb] Sense not available.
[ 7699.162700] sd 7:0:0:0: rejecting I/O to offline device
[ 7699.162707] sd 7:0:0:0: [sdb] Write Protect is off
[ 7699.162711] sd 7:0:0:0: [sdb] Mode Sense: 00 00 00 00
[ 7699.162717] sd 7:0:0:0: rejecting I/O to offline device
[ 7699.162723] sd 7:0:0:0: [sdb] Asking for cache data failed
[ 7699.162727] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[ 7699.162748] usb 2-1.2: USB disconnect, device number 5
[ 7699.163619] sd 7:0:0:0: [sdb] Attached SCSI removable disk
[ 7699.229029] usb 2-1.2: new high-speed USB device number 6 using ehci-pci
[ 7704.318981] usb 2-1.2: device descriptor read/64, error -71
[ 7709.498741] usb 2-1.2: device descriptor read/64, error -71
[ 7709.669073] usb 2-1.2: new high-speed USB device number 7 using ehci-pci
[ 7714.745430] usb 2-1.2: device descriptor read/64, error -71
[ 7719.925068] usb 2-1.2: device descriptor read/64, error -71
[ 7720.095353] usb 2-1.2: new high-speed USB device number 8 using ehci-pci
[ 7725.508497] usb 2-1.2: device not accepting address 8, error -71
[ 7725.575363] usb 2-1.2: new high-speed USB device number 9 using ehci-pci
[ 7730.988537] usb 2-1.2: device not accepting address 9, error -71
[ 7730.988689] hub 2-1:1.0: unable to enumerate USB device on port 2