Mi sa che la pen drive non viene riconosciuta.
Ecco cosa mi dà il comando # ls -hl /dev/sda*

brw-rw---- 1 root disk 8, 0 Mar 14 2002 /dev/sda
brw-rw---- 1 root disk 8, 1 Mar 14 2002 /dev/sda1
brw-rw---- 1 root disk 8, 10 Mar 14 2002 /dev/sda10
brw-rw---- 1 root disk 8, 11 Mar 14 2002 /dev/sda11
brw-rw---- 1 root disk 8, 12 Mar 14 2002 /dev/sda12
brw-rw---- 1 root disk 8, 13 Mar 14 2002 /dev/sda13
brw-rw---- 1 root disk 8, 14 Mar 14 2002 /dev/sda14
brw-rw---- 1 root disk 8, 15 Mar 14 2002 /dev/sda15
brw-rw---- 1 root disk 8, 2 Mar 14 2002 /dev/sda2
brw-rw---- 1 root disk 8, 3 Mar 14 2002 /dev/sda3
brw-rw---- 1 root disk 8, 4 Mar 14 2002 /dev/sda4
brw-rw---- 1 root disk 8, 5 Mar 14 2002 /dev/sda5
brw-rw---- 1 root disk 8, 6 Mar 14 2002 /dev/sda6
brw-rw---- 1 root disk 8, 7 Mar 14 2002 /dev/sda7
brw-rw---- 1 root disk 8, 8 Mar 14 2002 /dev/sda8
brw-rw---- 1 root disk 8, 9 Mar 14 2002 /dev/sda9


A quanto pare sono tutti vuoti, e la pen drive ovviamente è inserita!

Mi sa che è un problema di porte usb.

Ecco invece cosa mi dà con lsmod:
Module Size Used by Not tainted
soundcore 3236 0 (autoclean)
keybdev 1664 0 (unused)
sg 24452 0 (unused)
ide-scsi 7488 0
usbkbd 2848 0 (unused)
input 3072 0 [keybdev usbkbd]
usb-storage 97152 0 (unused)
usb-uhci 20708 0 (unused)
usbcore 48032 0 [usbkbd usb-storage usb-uhci]


Cosa non va???