same here with my external usb toshiba 160g hdd on lucid lynx
dmesg | tail -n 10
[69768.736339] hub 2-0:1.0: unable to enumerate USB device on port 1
[69769.084464] hub 2-0:1.0: unable to enumerate USB device on port 1
[69769.436795] hub 2-0:1.0: unable to enumerate USB device on port 1
[69769.784339] hub 2-0:1.0: unable to enumerate USB device on port 1
[69770.136342] hub 2-0:1.0: unable to enumerate USB device on port 1
[69770.489389] hub 2-0:1.0: unable to enumerate USB device on port 1
[69770.836465] hub 2-0:1.0: unable to enumerate USB device on port 1
[69771.188337] hub 2-0:1.0: unable to enumerate USB device on port 1
[69771.536484] hub 2-0:1.0: unable to enumerate USB device on port 1
[69771.948076] usb 2-1: new high speed USB device using ehci_hcd and address 104
its not assigning a label(sdx) to my drive
its impossible to mount
same here with my external usb toshiba 160g hdd on lucid lynx
dmesg | tail -n 10
[69768.736339] hub 2-0:1.0: unable to enumerate USB device on port 1
[69769.084464] hub 2-0:1.0: unable to enumerate USB device on port 1
[69769.436795] hub 2-0:1.0: unable to enumerate USB device on port 1
[69769.784339] hub 2-0:1.0: unable to enumerate USB device on port 1
[69770.136342] hub 2-0:1.0: unable to enumerate USB device on port 1
[69770.489389] hub 2-0:1.0: unable to enumerate USB device on port 1
[69770.836465] hub 2-0:1.0: unable to enumerate USB device on port 1
[69771.188337] hub 2-0:1.0: unable to enumerate USB device on port 1
[69771.536484] hub 2-0:1.0: unable to enumerate USB device on port 1
[69771.948076] usb 2-1: new high speed USB device using ehci_hcd and address 104
its not assigning a label(sdx) to my drive
its impossible to mount